BCBS Prefixes Starting with M: MAA to MZZ
This page lists all 875 BCBS alpha prefixes starting with the letter M (MAA through MZZ). Each entry includes the issuing BCBS company, plan type (PPO, HMO, or TRAD), and provider services phone number. Use the search box to filter by prefix, company, or state. Or scroll through the full table below.
Data sourced from official BCBS provider reference documents.
How Do I Search for a Specific Prefix on This Page?
Type any prefix code, company name, or plan type into the filter box above the table. The table updates as you type. For example, type “PPO” to see only PPO plans, or type a company name like “Anthem” to narrow results. This page covers 875 prefixes, so filtering saves time.
Complete Prefix Table: MAA to MZZ
| Prefix | Company (Home Plan) | Type | Provider Phone | Pre-Cert Phone |
|---|---|---|---|---|
| M2C | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| M2D | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| M2E | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| M2F | Blue Cross and Blue Shield of Texas [Texas (TX)] | EPO | (800) 451-0287 | (800) 451-0287 |
| M2G | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| M2H | Regence Blue Shield - Seattle, WA [Washington (WA)] | PPO | (800) 423-6884 | (800) 423-6884 |
| M2I | Highmark Blue Cross Blue Shield [New York (NY)] | PPO | (888) 840-6322 | (800) 452-8507 |
| M2J | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| M2K | Blue Cross and Blue Shield of Arizona [Arizona (AZ)] | MED ADV | (800) 446-8331 | (800) 466-8331 |
| M2L | BBA Blue Benefit Administrators [Massachusetts (MA)] | PPO | (877) 707-2583 | (877) 707-2583 |
| M2M | Anthem Blue Cross and Blue Shield - Connecticut [Georgia (GA)] | PPO | (833) 835-2714 | (855) 961-5386 |
| M2N | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 646-9322 | (833) 646-9322 |
| M2O | BLUE CROSS AND BLUE SHIELD OF ARIZONA [Arizona (AZ)] | TBD | (800) 701-0977 | (800) 701-0977 |
| M2P | Regence Blue Shield - Seattle, WA [Washington (WA)] | PPO | (800) 423-6884 | (800) 423-6884 |
| M2Q | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 646-9322 | (833) 646-9322 |
| M2R | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| M2S | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| M2T | Regence Blue Shield - Seattle, WA [Washington (WA)] | PPO | (800) 423-6884 | (800) 423-6884 |
| M2U | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 646-9322 | (833) 646-9322 |
| M2V | Blue Cross and Blue Shield of Arizona [Arizona (AZ)] | MED ADV | (800) 446-8331 | (800) 446-8331 |
| M2W | Blue Cross and Blue Shield of Rhode Island [Rhode Island (RI)] | PPO | (800) 327-6712 | (800) 327-6712 |
| M2X | Blue Cross and Blue Shield of Montana [Montana (MT)] | PPO | (800) 203-0584 | (800) 203-0584 |
| M2Y | Regence Blue Shield - Seattle, WA [Washington (WA)] | PPO | (800) 423-6884 | (800) 423-6884 |
| M2Z | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (833) 952-2061 |
| M3A | Blue Cross and Blue Shield of Kansas - Topeka [Kansas (KS)] | MED ADV | (800) 432-3990 | (800) 325-6201 |
| M3B | Highmark Blue Cross Blue Shield [New York (NY)] | PPO | (800) 334-2583 | (800) 950-0051 |
| M3C | Blue Cross and Blue Shield of Rhode Island [Rhode Island (RI)] | PPO | (800) 327-6712 | (800) 327-6712 |
| M3D | Regence BlueShield of Idaho - Lewiston [Idaho (ID)] | PPO | (800) 475-1149 | (800) 423-6884 |
| M3E | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| M3F | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| M3G | Blue Cross and Blue Shield of Rhode Island [Rhode Island (RI)] | PPO | (800) 327-6712 | (800) 327-6712 |
| M3H | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| M3J | Empire NY BCBS - Anthem [New York (NY)] | PPO | (844) 235-4443 | (844) 235-4443 |
| M3K | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (833) 578-4439 |
| M3L | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| M3M | Regence Blue Shield - Seattle, WA [Washington (WA)] | PPO | (866) 227-0913 | (800) 423-6884 |
| M3N | Anthem Blue Cross and Blue Shield - Maine [Maine (ME)] | TRAD | (855) 854-1438 | (844) 827-9211 |
| M3O | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (844) 404-2165 | (844) 404-2165 |
| M3P | Blue Cross and Blue Shield of Arizona [Arizona (AZ)] | MED ADV | (800) 466-8331 | (800) 466-8331 |
| M3Q | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (833) 639-1634 |
| M3R | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| M3S | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| M3T | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 405-9089 | (833) 405-9089 |
| M3U | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | TRAD | (833) 835-2714 | (844) 951-0623 |
| M3V | Blue Cross and Blue Shield of Arizona [Arizona (AZ)] | MED ADV | (800) 446-8331 | (800) 446-8332 |
| M3W | Regence Blue Shield - Seattle, WA [Washington (WA)] | PPO | (866) 227-0913 | (800) 423-6884 |
| M3X | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (833) 578-4439 |
| M3Y | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 405-9089 | (833) 405-9089 |
| M3Z | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 405-9089 | (833) 405-9089 |
| M4A | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 544-6679 | (800) 452-8507 |
| M4B | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (877) 986-4571 | (800) 452-8507 |
| M4C | Anthem Blue Cross and Blue Shield - Kentucky [Kentucky (KY)] | PPO | (833) 578-4443 | (833) 578-4443 |
| M4D | Regence BlueShield of Idaho - Lewiston [Idaho (ID)] | TRAD | (800) 475-1149 | (800) 423-6884 |
| M4E | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| M4F | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| M4G | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (833) 592-9956 |
| M4H | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | PPO | (844) 437-0494 | (844) 437-0494 |
| M4I | REGENCE BLUE SHIELD - SEATTLE, WA [Washington (WA)] | TBD | (888) 849-3658 | (888) 849-3658 |
| M4J | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 544-6679 | (800) 452-8507 |
| M4K | Blue Cross and Blue Shield of Arizona [Arizona (AZ)] | MED ADV | (800) 446-8331 | (800) 446-8331 |
| M4L | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 701-2324 | (800) 701-2324 |
| M4M | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | PPO | (844) 437-0494 | (844) 437-0494 |
| M4N | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (844) 404-2165 | (844) 404-2165 |
| M4O | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (877) 285-4597 | (877) 285-4597 |
| M4P | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| M4Q | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| M4R | Highmark Blue Cross Blue Shield [New York (NY)] | PPO | (866) 876-1918 | (866) 876-1918 |
| M4S | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| M4T | Regence BlueCross BlueShield of Oregon [Oregon (OR)] | PPO | (800) 452-6333 | (800) 824-8563 |
| M4U | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| M4V | BlueCross BlueShield of North Dakota [North Dakota (ND)] | MED ADV | (844) 753-8039 | (844) 753-8039 |
| M4W | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (844) 823-5456 | (844) 823-5456 |
| M4X | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (866) 952-0355 | (877) 986-8138 |
| M4Y | Blue Cross of Idaho Health Service - Boise [Idaho (ID)] | PPO | (866) 482-2250 | (800) 743-1871 |
| M4Z | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| M5A | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| M5B | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (833) 639-1634 |
| M5C | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | PPO | (844) 516-0248 | (844) 516-0248 |
| M5D | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | PPO | (844) 516-0248 | (844) 516-0248 |
| M5E | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | PPO | (844) 516-0248 | (844) 516-0248 |
| M5F | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| M5G | BLUE CROSS BLUE SHIELD OF MICHIGAN [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| M5H | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| M5I | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 274-7767 |
| M5J | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (866) 952-0355 | (877) 986-8138 |
| M5K | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| M5L | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (833) 803-4459 | (800) 952-3404 |
| M5M | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| M5N | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | HPN | (800) 688-6908 | (800) 327-6716 |
| M5P | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (866) 952-0355 | (877) 986-8138 |
| M5Q | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 224-6935 | (833) 224-6935 |
| M5R | Highmark Blue Cross Blue Shield [New York (NY)] | TRAD | (800) 888-1238 | (800) 950-0051 |
| M5S | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| M5T | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | HPT | (800) 688-6908 | (800) 327-6716 |
| M5U | Anthem Blue Cross - California [California (CA)] | PPO | (833) 835-2714 | (800) 274-7767 |
| M5V | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (844) 844-8384 |
| M5W | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (844) 404-2165 | (844) 404-2165 |
| M5X | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| M5Y | BLUE CROSS AND BLUE SHIELD OF OKLAHOMA [Oklahoma (OK)] | PPO | (800) 942-5837 | (800) 942-5837 |
| M5Z | Anthem Blue Cross and Blue Shield - Colorado [Georgia (GA)] | PPO | (877) 811-3106 | (877) 811-3106 |
| M6A | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| M6B | Anthem Blue Cross and Blue Shield - New Hampshire [New Hampshire (NH)] | PPO | (833) 835-2714 | (833) 835-2714 |
| M6C | Empire NY BCBS - Anthem [New York (NY)] | PPO | (844) 235-4443 | (844) 235-4443 |
| M6D | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (877) 680-9139 |
| M6E | Empire NY BCBS - Anthem [New York (NY)] | PPO | (844) 995-1736 | (844) 995-1736 |
| M6F | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| M6G | Empire NY BCBS - Anthem [New York (NY)] | PPO | (844) 995-1736 | (844) 995-1736 |
| M6H | Empire NY BCBS - Anthem [New York (NY)] | PPO | (844) 235-4443 | (844) 235-4445 |
| M6J | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | TRAD | (877) 403-0609 | (877) 403-0609 |
| M6K | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (844) 404-2165 | (844) 404-2165 |
| M6L | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (844) 404-2165 | (844) 404-2165 |
| M6M | HealthCare Management Administrators [Washington (WA)] | TBD | (866) 738-3924 | (866) 738-3924 |
| M6N | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| M6O | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (844) 404-2165 | (844) 404-2165 |
| M6P | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (866) 245-9521 |
| M6Q | REGENCE BLUESHIELD OF IDAHO - LEWISTON [Idaho (ID)] | TRAD | (800) 475-1149 | (800) 351-2370 |
| M6R | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (844) 213-6896 |
| M6S | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| M6T | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (866) 345-2791 |
| M6U | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 995-1483 | (833) 995-1483 |
| M6V | ANTHEM BLUE AND CROSS BLUE SHIELD - NEVADA [Nevada (NV)] | PPO | (800) 688-3828 | (800) 274-7767 |
| M6W | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (833) 578-4439 |
| M6X | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 214-8950 | (833) 214-8950 |
| M6Y | Empire NY BCBS - Anthem [New York (NY)] | PPO | (844) 235-4443 | (844) 235-4443 |
| M6Z | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | PPO | (833) 807-1877 | (877) 910-2410 |
| M7A | Anthem Blue Cross - California [California (CA)] | PPO | (833) 626-4308 | (833) 626-4308 |
| M7B | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | TRAD | (800) 722-1471 | (800) 722-1471 |
| M7C | Empire NY BCBS - Anthem [New York (NY)] | PPO | (844) 235-4443 | (844) 235-4443 |
| M7D | BlueCross BlueShield of North Dakota [North Dakota (ND)] | TRAD | (800) 368-2312 | (800) 368-2312 |
| M7E | Anthem Blue Cross - California [California (CA)] | PPO | (833) 626-4308 | (833) 626-4308 |
| M7F | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| M7G | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (833) 371-0209 | (833) 371-0209 |
| M7H | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (833) 371-0209 | (833) 371-0209 |
| M7J | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (833) 371-0209 | (833) 371-0209 |
| M7K | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (833) 371-0209 | (833) 371-0209 |
| M7L | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (833) 247-8913 |
| M7M | Anthem Blue Cross and Blue Shield - Colorado [Georgia (GA)] | PPO | (877) 833-5742 | (800) 832-7850 |
| M7N | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (844) 404-2165 | (844) 404-2165 |
| M7O | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (844) 404-2165 |
| M7P | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (833) 639-1634 |
| M7Q | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 224-6935 | (833) 224-6935 |
| M7R | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (866) 305-2859 |
| M7S | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| M7T | Anthem Blue Cross - California [California (CA)] | PPO | (833) 835-2714 | (800) 274-7767 |
| M7U | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (877) 403-0609 | (877) 403-0609 |
| M7V | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | MEDIGAP | (833) 578-4436 | (833) 578-4436 |
| M7W | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | MEDIGAP | (833) 578-4436 | (833) 578-4436 |
| M7X | Anthem Blue Cross and Blue Shield - Kentucky [Kentucky (KY)] | MEDIGAP | (833) 578-4436 | (833) 578-4436 |
| M7Y | Empire NY BCBS - Anthem [New York (NY)] | TBD | (844) 235-4443 | (844) 235-4445 |
| M7Z | Anthem Blue Cross and Blue Shield - Maine [Maine (ME)] | PPO | (833) 835-2714 | (877) 284-0102 |
| M8A | Anthem Blue Cross and Blue Shield - Colorado [Georgia (GA)] | PPO | (877) 833-5742 | (800) 832-7850 |
| M8B | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| M8C | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (833) 247-8909 |
| M8D | Anthem Blue Cross and Blue Shield - Maine [Maine (ME)] | PPO | (855) 854-1438 | (833) 772-4121 |
| M8E | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (877) 403-0609 | (877) 403-0609 |
| M8F | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| M8G | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (844) 404-2165 | (844) 404-2165 |
| M8H | Empire NY BCBS - Anthem [New York (NY)] | MED ADV | (800) 499-9554 | (800) 499-9554 |
| M8J | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (844) 404-2165 | (844) 404-2165 |
| M8K | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| M8L | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 274-7767 |
| M8M | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (844) 995-1747 | (844) 995-1747 |
| M8N | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (844) 404-2165 | (844) 404-2165 |
| M8P | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| M8Q | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 224-6935 | (833) 224-6935 |
| M8R | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (844) 404-2165 | (844) 404-2165 |
| M8S | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| M8T | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (844) 404-2165 | (844) 404-2165 |
| M8U | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (833) 578-4441 | (833) 578-4441 |
| M8V | Anthem Blue Cross and Blue Shield - Connecticut [Georgia (GA)] | MEDIGAP | (833) 578-4436 | (833) 578-4436 |
| M8W | Anthem Blue Cross and Blue Shield - Maine [Maine (ME)] | MEDIGAP | (833) 772-4121 | (833) 772-4121 |
| M8X | Anthem Blue Cross and Blue Shield - New Hampshire [New Hampshire (NH)] | MEDIGAP | (833) 578-4436 | (833) 578-4436 |
| M8Y | Blue Cross and Blue Shield of Texas [Texas (TX)] | HPN | (800) 451-0287 | (800) 451-0287 |
| M8Z | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (844) 404-2165 | (844) 404-2165 |
| M9A | Empire NY BCBS - Anthem [New York (NY)] | PPO | (844) 235-4443 | (844) 971-0121 |
| M9B | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| M9C | Empire NY BCBS - Anthem [New York (NY)] | PPO | (844) 235-4443 | (844) 971-0121 |
| M9D | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (855) 492-3558 | (855) 492-3558 |
| M9E | ANTHEM BLUE CROSS AND BLUE SHIELD - MAINE [Maine (ME)] | HPN | (844) 827-9211 | (844) 827-9211 |
| M9F | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| M9G | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (855) 492-3558 | (855) 492-3558 |
| M9H | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| M9J | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (855) 492-3558 | (855) 492-3558 |
| M9K | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| M9L | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| M9M | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (844) 404-2165 | (844) 404-2165 |
| M9N | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 274-7767 |
| M9O | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (844) 404-2165 | (844) 404-2165 |
| M9P | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (877) 403-0609 | (877) 403-0609 |
| M9Q | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 224-6935 | (833) 224-6935 |
| M9R | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 274-7767 |
| M9S | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| M9T | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| M9U | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 224-6935 | (833) 224-6935 |
| M9V | Anthem Blue Cross and Blue Shield - Kentucky [Kentucky (KY)] | PPO | (844) 852-5079 | (844) 852-5079 |
| M9W | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (855) 492-3558 | (855) 492-3558 |
| M9X | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (833) 749-1974 | (833) 749-1967 |
| M9Y | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (833) 749-1974 | (833) 749-1967 |
| M9Z | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (833) 749-1974 | (833) 749-1967 |
| MAA | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MAB | Blue Cross and Blue Shield of Florida [Florida (FL)] | PPO | (800) 727-2227 | (800) 955-5692 |
| MAC | CareFirst BlueCross BlueShield - Maryland [New York (NY)] | MED ADV | (855) 290-5744 | (866) 773-2884 |
| MAD | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (800) 722-1471 | (800) 722-1471 |
| MAE | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (855) 405-3983 | (866) 776-4793 |
| MAF | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (410) 581-3601 |
| MAG | New Mexico Blue Cross and Blue Shield [New Mexico (NM)] | MEDIGAP | (888) 349-3706 | (888) 349-3706 |
| MAH | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (855) 492-3558 | (855) 492-3558 |
| MAI | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MAJ | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (833) 707-3145 | (833) 707-3145 |
| MAK | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 578-4443 | (833) 578-4443 |
| MAL | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (410) 581-3601 |
| MAM | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (877) 228-7268 |
| MAN | ANTHEM BLUE CROSS AND BLUE SHIELD - MAINE [Maine (ME)] | TRAD | (855) 738-6674 | (855) 738-6674 |
| MAO | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (800) 261-8582 |
| MAP | Anthem Blue Cross and Blue Shield - Colorado [Georgia (GA)] | MED ADV | (866) 362-4250 | (866) 362-4250 |
| MAQ | Blue Cross and Blue Shield of Florida [Florida (FL)] | PPO | (800) 727-2227 | (800) 955-5692 |
| MAR | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 224-6935 | (833) 224-6935 |
| MAS | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (833) 707-3145 | (833) 707-3145 |
| MAT | Blue Cross and Blue Shield of Texas [Texas (TX)] | TRAD | (800) 451-0287 | (800) 451-0287 |
| MAU | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MAV | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (866) 814-3796 | (866) 814-3796 |
| MAW | Anthem Blue Cross and Blue Shield - Connecticut [Georgia (GA)] | PPO | (833) 228-3058 | (833) 228-3058 |
| MAX | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MAY | Anthem Blue Cross - California [California (CA)] | PPO | (833) 987-0342 | (833) 987-0342 |
| MAZ | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 362-2218 |
| MBA | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (833) 639-1634 |
| MBB | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (833) 707-3145 | (833) 707-3145 |
| MBC | BlueCross BlueShield of Tennessee [Tennessee (TN)] | PPO | (866) 271-8426 | (877) 309-3448 |
| MBD | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (410) 581-3535 |
| MBE | Blue Cross and Blue Shield of Nebraska [Nebraska (NE)] | PPO | (800) 284-4640 | (800) 247-1103 |
| MBF | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (844) 825-8018 | (844) 825-8018 |
| MBG | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | MED ADV | (800) 517-6425 | (800) 248-2342 |
| MBH | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (833) 707-3145 | (833) 707-3145 |
| MBI | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MBJ | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (888) 849-3658 | (888) 849-3658 |
| MBK | Empire NY BCBS - Anthem [New York (NY)] | PPO | (844) 235-4443 | (844) 235-4443 |
| MBL | Anthem Blue Cross - California [California (CA)] | MED ADV | (833) 848-8730 | (833) 848-8730 |
| MBM | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MBN | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | POS | (855) 343-4851 | (855) 343-4851 |
| MBO | Blue Cross and Blue Shield of Florida [Florida (FL)] | PPO | (800) 727-2227 | (800) 955-5692 |
| MBP | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (844) 909-0360 | (844) 909-0360 |
| MBQ | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (833) 707-3145 | (833) 707-3145 |
| MBR | Anthem Blue Cross - California [California (CA)] | PPO | (866) 940-6586 | (800) 274-7767 |
| MBS | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (844) 739-8907 |
| MBT | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | PPO | (833) 578-4436 | (833) 578-4436 |
| MBU | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MBV | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| MBW | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (844) 736-4441 | (844) 736-4441 |
| MBX | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 868-2510 | (855) 895-1682 |
| MBY | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 868-2510 | (855) 895-1682 |
| MBZ | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (410) 581-3601 |
| MCA | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MCB | Blue Cross and Blue Shield of Kansas City - MO [MO/KS (MO/KS)] | PPO | (866) 579-0864 | (800) 892-6116 |
| MCC | Blue Cross and Blue Shield of Texas [Texas (TX)] | TRAD | (800) 451-0287 | (800) 451-0287 |
| MCD | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MCE | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (800) 722-1471 | (800) 722-1471 |
| MCF | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (410) 581-3601 |
| MCG | CareFirst BlueCross BlueShield - Washington, D.C. [New York (NY)] | PPO | (800) 842-5975 | (800) 842-5975 |
| MCH | Blue Cross and Blue Shield of Florida [Florida (FL)] | PPO | (800) 727-2227 | (800) 955-5692 |
| MCI | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 835-2714 | (877) 453-5639 |
| MCJ | Highmark BlueCross BlueShield West Virginia [New York (NY)] | PPO | (888) 809-9121 | (800) 344-5245 |
| MCK | Wellmark BCBS of Iowa [Iowa (IA)] | TBD | (800) 362-2218 | (800) 774-3892 |
| MCL | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 362-2218 |
| MCM | Arkansas Blue Cross and Blue Shield [MD/DC/VA (MD/DC/VA)] | MED ADV | (800) 238-8379 | (800) 238-8379 |
| MCN | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MCO | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (844) 390-4133 | (844) 390-4133 |
| MCP | BLUE SHIELD OF CALIFORNIA [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MCQ | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MCR | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (410) 581-3601 |
| MCS | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (410) 581-3601 |
| MCT | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 362-2218 |
| MCU | BCBS of North Carolina [North Carolina (NC)] | PPO | (800) 214-4844 | (800) 214-4844 |
| MCV | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 362-2218 |
| MCW | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MCX | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MCY | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (844) 951-0606 | (844) 951-0606 |
| MCZ | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (866) 333-1094 | (866) 333-1094 |
| MDA | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MDB | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (800) 334-7287 |
| MDC | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MDD | CAREFIRST BLUECROSS BLUESHIELD - MARYLAND [New York (NY)] | MEDICAID | (800) 842-5975 | (800) 367-1799 |
| MDE | Anthem Blue Cross - California [California (CA)] | PPO | (888) 326-2555 | (800) 274-7767 |
| MDF | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (800) 275-2583 | (800) 275-2583 |
| MDG | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MDH | Blue Cross and Blue Shield of Rhode Island [Rhode Island (RI)] | PPO | (800) 327-6712 | (800) 327-6712 |
| MDI | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 774-3892 | (800) 642-9273 |
| MDJ | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (833) 578-4441 | (833) 578-4441 |
| MDK | BCBS of North Carolina [North Carolina (NC)] | TRAD | (800) 214-4844 | (800) 214-4844 |
| MDL | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | TRAD | (800) 203-0584 | (800) 203-0584 |
| MDM | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| MDN | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (833) 578-4439 |
| MDO | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 362-2218 |
| MDP | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MDQ | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MDR | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (833) 578-4439 |
| MDS | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (877) 228-7268 |
| MDT | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (866) 492-1775 |
| MDU | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MDV | Blue Cross and Blue Shield of Louisiana [Louisiana (LA)] | TRAD | (866) 508-7145 | (866) 508-7145 |
| MDW | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MDX | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MDY | Blue Cross and Blue Shield of Kansas City - MO [MO/KS (MO/KS)] | PPO | (888) 989-8842 | (800) 892-6116 |
| MDZ | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | TRAD | (888) 420-2227 | (800) 528-0934 |
| MEA | Blue Shield of California [California (CA)] | MED ADV | (800) 541-6652 | (800) 541-6652 |
| MEB | Empire NY BCBS - Anthem [New York (NY)] | PPO | (855) 330-1097 | (855) 330-1097 |
| MEC | BCBS of North Carolina [North Carolina (NC)] | PPO | (800) 214-4844 | (800) 214-4844 |
| MED | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (844) 748-5620 | (844) 748-5620 |
| MEE | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (833) 592-9956 |
| MEF | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (410) 581-3601 |
| MEG | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 224-6935 | (833) 224-6935 |
| MEH | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (833) 592-9956 |
| MEI | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MEJ | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (877) 228-7268 |
| MEK | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MEL | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 774-3892 | (800) 642-9273 |
| MEM | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 774-3892 | (800) 642-9273 |
| MEN | Anthem Blue Cross and Blue Shield - Maine [Maine (ME)] | TRAD | (855) 854-1438 | (888) 567-1834 |
| MEO | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MEP | Anthem Blue Cross and Blue Shield - Maine [Maine (ME)] | TRAD | (855) 854-1438 | (888) 567-1834 |
| MEQ | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MER | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (888) 989-8842 | (800) 892-6116 |
| MES | Blue Cross and Blue Shield of Oklahoma [Oklahoma (OK)] | PPO | (800) 942-5837 | (800) 942-5837 |
| MET | Blue Cross and Blue Shield of Nebraska [Nebraska (NE)] | PPO | (800) 284-4640 | (800) 247-1103 |
| MEU | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| MEV | HealthCare Management Administrators [Washington (WA)] | PPO | (866) 738-3924 | (866) 738-3924 |
| MEW | Anthem Blue Cross and Blue Shield - Maine [Maine (ME)] | MED ADV | (833) 848-8730 | (833) 848-8730 |
| MEX | New Mexico Blue Cross and Blue Shield [New Mexico (NM)] | PPO | (888) 349-3706 | (888) 349-3706 |
| MEY | Anthem Blue Cross and Blue Shield - Maine [Maine (ME)] | TRAD | (855) 330-1098 | (833) 603-7957 |
| MEZ | New Mexico Blue Cross and Blue Shield [New Mexico (NM)] | PPO | (800) 423-1630 | (888) 349-3706 |
| MFA | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MFB | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MFC | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 224-6935 | (833) 224-6935 |
| MFD | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 835-2714 | (844) 825-8018 |
| MFE | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 274-7767 |
| MFF | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (800) 722-1471 | (800) 423-6884 |
| MFG | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (855) 547-8394 |
| MFH | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 224-6935 | (833) 224-6935 |
| MFI | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 774-3892 | (800) 642-9273 |
| MFJ | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (866) 776-4793 |
| MFK | CareFirst BlueCross BlueShield - Washington, D.C. [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| MFL | Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (800) 275-2583 | (800) 275-2583 |
| MFM | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 835-2714 | (855) 343-4852 |
| MFN | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (844) 862-6361 | (866) 643-7087 |
| MFO | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (866) 776-4793 |
| MFP | HealthCare Management Administrators [Washington (WA)] | PPO | (425) 285-3505 | (425) 285-3505 |
| MFQ | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | TRAD | (833) 592-9956 | (866) 643-7087 |
| MFR | Anthem Blue and Cross Blue Shield - Nevada [Nevada (NV)] | PPO | (877) 833-5742 | (800) 336-7767 |
| MFS | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (844) 368-8108 |
| MFT | Anthem Blue Cross CA [California (CA)] | TBD | (800) 677-6669 | (877) 526-3425 |
| MFU | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MFV | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MFW | Anthem Blue Cross - California [California (CA)] | PPO | (925) 398-7054 | (800) 274-7767 |
| MFX | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MFY | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (866) 776-4793 | (866) 776-4793 |
| MFZ | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MGA | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MGB | PA Capital Keystone Health Plan Central – CBC [Pennsylvania (PA)] | PPO | (877) 892-6298 | (800) 471-2242 |
| MGC | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MGD | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (866) 528-1747 | (866) 528-1748 |
| MGE | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (800) 261-8582 |
| MGF | ANTHEM BLUE AND CROSS BLUE SHIELD - NEVADA [Nevada (NV)] | TBD | (877) 833-5742 | (844) 451-2085 |
| MGG | Blue Shield of California [California (CA)] | TRAD | (800) 541-6652 | (800) 541-6652 |
| MGH | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | PPO | (833) 578-4436 | (833) 578-4436 |
| MGI | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 241-5704 | (800) 472-1506 |
| MGJ | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | PPO | (833) 290-2481 | (833) 290-2481 |
| MGK | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 642-9273 |
| MGL | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (800) 275-2583 | (800) 275-2583 |
| MGM | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (800) 842-5975 | (800) 842-5975 |
| MGN | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (800) 334-7287 |
| MGO | Blue Cross Blue Shield of Michigan [Michigan (MI)] | TRAD | (888) 500-7898 | (888) 500-7898 |
| MGP | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MGQ | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MGR | Blue Cross Blue Shield of Michigan [Michigan (MI)] | MEDICARV | (888) 500-7898 | (888) 500-7898 |
| MGS | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (844) 825-8018 | (844) 825-8018 |
| MGT | REGENCE BLUECROSS BLUESHIELD OF OREGON [Oregon (OR)] | PPO | (866) 227-0913 | (800) 423-6884 |
| MGU | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 388-1400 | (833) 388-1400 |
| MGV | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (800) 334-7287 |
| MGW | Health Advantage HMO Partners [Arkansas (AR)] | PPO | (800) 238-8379 | (800) 238-8379 |
| MGX | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MGY | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MGZ | Horizon Blue Cross and Blue Shield of New Jersey [New Jersey (NJ)] | PPO | (888) 340-1247 | (800) 664-2583 |
| MHA | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (800) 261-8582 |
| MHB | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| MHC | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 241-5704 | (800) 638-3493 |
| MHD | BLUE SHIELD OF CALIFORNIA [California (CA)] | TBD | (800) 541-6652 | (800) 541-6652 |
| MHE | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 388-1400 | (833) 388-1400 |
| MHF | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | TBD | (833) 388-1400 | (833) 388-1400 |
| MHG | Anthem Blue Cross - California [California (CA)] | MED ADV | (833) 848-8730 | (833) 848-8730 |
| MHH | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MHI | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 835-2714 | (855) 343-4852 |
| MHJ | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | PPO | (833) 578-4436 | (888) 571-9054 |
| MHK | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 362-2218 |
| MHL | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 388-1400 | (833) 388-1400 |
| MHM | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (410) 581-3601 |
| MHN | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (833) 835-2714 | (800) 518-1638 |
| MHO | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (800) 722-1471 | (800) 423-6684 |
| MHP | Empire NY BCBS - Anthem [New York (NY)] | PPO | (833) 835-2714 | (877) 284-0102 |
| MHQ | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 835-2714 | (855) 343-4852 |
| MHR | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (844) 451-2106 | (844) 451-2106 |
| MHS | Blue Cross and Blue Shield of Nebraska [Nebraska (NE)] | PPO | (800) 284-4640 | (800) 247-1103 |
| MHT | CareFirst BlueCross BlueShield - Maryland [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| MHU | HealthCare Management Administrators [Washington (WA)] | PPO | (866) 738-3924 | (866) 738-3924 |
| MHV | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | TBD | (833) 578-4436 | (888) 571-9054 |
| MHW | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (800) 517-6425 | (800) 248-2342 |
| MHX | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | TBD | (833) 835-2714 | (833) 224-6935 |
| MHY | Anthem Blue Cross - California [California (CA)] | PPO | (888) 822-4360 | (888) 822-4360 |
| MHZ | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 362-2218 |
| MIA | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 343-1691 |
| MIB | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MIC | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (800) 261-8582 |
| MID | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | TBD | (833) 639-1634 | (800) 282-1016 |
| MIE | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MIF | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (833) 639-1634 |
| MIG | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MIH | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 835-2714 | (855) 343-4851 |
| MII | Blue Cross and Blue Shield of Kansas City - MO [MO/KS (MO/KS)] | PPO | (866) 579-0864 | (800) 892-6116 |
| MIJ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MIK | PA Capital Keystone Health Plan Central – CBC [Pennsylvania (PA)] | PPO | (877) 892-6298 | (800) 471-2242 |
| MIL | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MIM | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 518-1511 | (800) 452-8507 |
| MIN | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (800) 722-1471 | (800) 722-1471 |
| MIO | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MIP | Blue Cross of Idaho Health Service - Boise [Idaho (ID)] | PPO | (866) 482-2250 | (800) 743-1871 |
| MIQ | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (833) 639-1634 |
| MIR | Anthem Blue Cross - California [California (CA)] | PPO | (800) 274-7767 | (800) 274-7767 |
| MIS | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (833) 639-1634 |
| MIT | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MIU | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 334-2583 | (800) 334-7287 |
| MIV | Highmark Blue Cross Blue Shield [New York (NY)] | PPO | (888) 840-6322 | (800) 950-0051 |
| MIW | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MIX | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MIY | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | PPO | (833) 578-4436 | (800) 392-8740 |
| MIZ | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MJA | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (833) 639-1634 |
| MJB | Anthem Blue Cross and Blue Shield - Colorado [Georgia (GA)] | PPO | (833) 835-2714 | (855) 407-2657 |
| MJC | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (855) 760-3135 | (855) 760-3135 |
| MJD | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (800) 517-6425 | (800) 248-2342 |
| MJE | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MJF | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (844) 739-8916 |
| MJG | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | TRAD | (866) 528-1747 | (866) 528-1748 |
| MJH | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 646-9322 | (833) 646-9322 |
| MJI | CareFirst BlueCross BlueShield - Maryland [New York (NY)] | TRAD | (877) 228-7268 | (877) 228-7268 |
| MJJ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MJK | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (844) 739-8908 |
| MJL | Anthem Blue Cross - California [California (CA)] | PPO | (800) 442-7247 | (800) 442-7247 |
| MJM | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 811-0391 | (800) 452-8507 |
| MJN | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | TRAD | (800) 701-2324 | (800) 452-8507 |
| MJO | Anthem Blue Cross and Blue Shield - Connecticut [Georgia (GA)] | PPO | (833) 952-2074 | (833) 952-2074 |
| MJP | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MJQ | Anthem Blue Cross - California [California (CA)] | PPO | (866) 556-7655 | (800) 274-7767 |
| MJR | Blue Cross Blue Shield of Michigan [Michigan (MI)] | MEDICARV | (888) 500-7898 | (888) 500-7898 |
| MJS | BlueCross BlueShield of Tennessee [Tennessee (TN)] | PPO | (866) 271-8426 | (877) 309-3448 |
| MJT | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | TRAD | (833) 646-9322 | (833) 646-9322 |
| MJU | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MJV | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 646-9322 | (833) 646-9322 |
| MJW | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | TBD | (833) 835-2714 | (800) 241-7475 |
| MJX | Blue Cross Blue Shield of Michigan [Michigan (MI)] | MEDICARV | (888) 500-7898 | (888) 500-7898 |
| MJY | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (833) 578-4439 |
| MJZ | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | TBD | (833) 639-1634 | (800) 282-1016 |
| MKA | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MKB | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MKC | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (800) 334-7287 |
| MKD | BBA Blue Benefit Administrators [Massachusetts (MA)] | PPO | (877) 707-2583 | (877) 707-2583 |
| MKE | BlueCross BlueShield of Tennessee [Tennessee (TN)] | PPO | (866) 271-8426 | (877) 309-3448 |
| MKF | PREMERA BLUE CROSS - SEATTLE, WA [WA/AK (WA/AK)] | TBD | (800) 722-1471 | (800) 722-1471 |
| MKG | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (877) 285-0196 | (877) 285-0196 |
| MKH | BlueCross BlueShield of Tennessee [Tennessee (TN)] | PPO | (866) 271-8426 | (877) 309-3448 |
| MKI | BlueCross BlueShield of Tennessee [Tennessee (TN)] | PPO | (866) 271-8426 | (877) 309-3448 |
| MKJ | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (833) 639-1634 |
| MKK | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (8000-441-9188 | (8000-441-9188 |
| MKL | Blue Cross and Blue Shield of Mississippi [Illinois (IL)] | PPO | (800) 709-0973 | (800) 841-9659 |
| MKM | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| MKN | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (844) 249-5369 |
| MKO | Blue Cross Blue Shield of Michigan [Michigan (MI)] | MEDICARV | (888) 500-7898 | (888) 500-7898 |
| MKP | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (844) 249-5369 |
| MKQ | Anthem Blue Cross CA [California (CA)] | TBD | (800) 677-6669 | (877) 526-3425 |
| MKR | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MKS | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MKT | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MKU | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (866) 528-1747 | (866) 528-1748 |
| MKV | Horizon Blue Cross and Blue Shield of New Jersey [New Jersey (NJ)] | TRAD | (888) 340-1247 | (800) 664-2583 |
| MKW | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MKX | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (844) 249-5369 |
| MKY | Horizon Blue Cross and Blue Shield of New Jersey [New Jersey (NJ)] | PPO | (888) 340-1247 | (800) 664-2583 |
| MKZ | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (877) 228-7268 |
| MLA | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 362-2218 |
| MLB | Blue Cross and Blue Shield of Nebraska [Nebraska (NE)] | PPO | (800) 284-4640 | (800) 247-1103 |
| MLC | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MLD | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (833) 952-2042 | (833) 952-2042 |
| MLE | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MLF | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (877) 228-7268 |
| MLG | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | TRAD | (800) 637-3493 | (800) 345-3806 |
| MLH | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | HPN W/O TIERS | (800) 261-8582 | (800) 334-7287 |
| MLI | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (833) 803-4459 | (800) 952-3404 |
| MLJ | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| MLK | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (833) 592-9956 |
| MLL | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MLM | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 701-2324 | (800) 452-8507 |
| MLN | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MLO | Highmark Blue Cross Blue Shield [New York (NY)] | PPO | (800) 950-0051 | (800) 950-0051 |
| MLP | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (833) 592-9956 |
| MLQ | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MLR | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MLS | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (800) 517-6425 | (800) 248-2342 |
| MLT | Blue Cross and Blue Shield of Nebraska [Nebraska (NE)] | PPO | (800) 284-4640 | (800) 247-1103 |
| MLU | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | TRAD | (888) 420-2227 | (800) 528-0934 |
| MLV | Anthem Blue Cross and Blue Shield - Maine [Maine (ME)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MLW | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | TBD | (833) 835-2714 | (833) 224-6935 |
| MLX | BLUE CROSS OF IDAHO HEALTH SERVICE - BOISE [Idaho (ID)] | HPN W/O TIERS | (866) 482-2250 | (800) 743-1871 |
| MLY | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (800) 722-1471 | (800) 722-1471 |
| MLZ | BLUE CROSS AND BLUE SHIELD OF RHODE ISLAND [Rhode Island (RI)] | PPO | (800) 327-6712 | (800) 327-6712 |
| MMA | Anthem Blue Cross - California [California (CA)] | HMO | (888) 230-7338 | (800) 467-1199 |
| MMB | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (877) 228-7268 |
| MMC | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (833) 632-0168 | (833) 632-0168 |
| MMD | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (800) 722-1471 | (866) 528-1748 |
| MME | CareFirst BlueCross BlueShield - Maryland [New York (NY)] | TRAD | (877) 228-7268 | (410) 581-3535 |
| MMF | Excellus BlueCross BlueShield - Rochester, NY [New York (NY)] | PPO | (800) 942-4254 | (800) 363-4658 |
| MMG | Blue Cross and Blue Shield of Mississippi [Illinois (IL)] | PPO | (800) 257-5825 | (800) 257-5825 |
| MMH | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 452-8507 | (800) 452-8507 |
| MMI | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (800) 275-2583 | (800) 275-2583 |
| MMJ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MMK | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MML | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MMM | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MMN | BlueCross BlueShield of Tennessee [Tennessee (TN)] | PPO | (866) 271-8426 | (877) 309-3448 |
| MMO | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MMP | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 632-0168 | (833) 632-0168 |
| MMQ | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (866) 261-0869 | (855) 570-1150 |
| MMR | BBA Blue Benefit Administrators [Massachusetts (MA)] | PPO | (877) 707-2583 | (877) 707-2583 |
| MMS | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (833) 639-1634 |
| MMT | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (866) 301-3082 |
| MMU | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MMV | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (855) 547-8315 |
| MMW | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MMX | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (800) 517-6425 | (800) 248-2342 |
| MMY | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | HPT | (855) 570-1150 | (855) 570-1150 |
| MMZ | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MNA | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | TRAD | (888) 420-2227 | (800) 528-0934 |
| MNB | BBA Blue Benefit Administrators [Massachusetts (MA)] | PPO | (877) 707-2583 | (877) 707-2583 |
| MNC | Anthem Blue Cross - California [California (CA)] | PPO | (800) 442-7247 | (800) 274-7767 |
| MND | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (866) 504-9551 | (866) 504-9551 |
| MNE | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (866) 504-9551 | (866) 504-9551 |
| MNF | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (800) 275-2583 | (800) 275-2583 |
| MNG | BlueCross BlueShield of Tennessee [Tennessee (TN)] | PPO | (866) 271-8426 | (877) 309-3448 |
| MNH | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (833) 592-9956 |
| MNI | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | TBD | (833) 835-2714 | (833) 224-6935 |
| MNJ | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 835-2714 | (877) 284-0102 |
| MNK | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MNL | Anthem Blue Cross - California [California (CA)] | DSNP | (800) 499-2793 | (310) 224-6910 |
| MNM | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | TRAD | (888) 420-2227 | (800) 528-0934 |
| MNN | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | TRAD | (800) 701-2324 | (800) 452-8507 |
| MNO | BCBS of North Carolina [North Carolina (NC)] | TRAD | (800) 214-4844 | (800) 214-4844 |
| MNP | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 592-9954 | (833) 592-9954 |
| MNQ | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MNR | Blue Cross Blue Shield of Michigan [Michigan (MI)] | TRAD | (888) 500-7898 | (800) 528-0934 |
| MNS | ANTHEM BLUE CROSS AND BLUE SHIELD - KENTUCKY [Kentucky (KY)] | PPO | (833) 578-4443 | (833) 578-4443 |
| MNT | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MNU | BCBS of North Carolina [North Carolina (NC)] | PPO | (800) 214-4844 | (800) 214-4844 |
| MNV | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 261-8582 | (800) 334-7287 |
| MNW | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (866) 312-4591 | (800) 862-3338 |
| MNX | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MNY | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (800) 722-1471 | (866) 528-1747 |
| MNZ | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 362-2218 |
| MOA | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MOB | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (855) 874-6844 |
| MOC | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 835-2714 | (855) 343-4851 |
| MOD | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MOE | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MOF | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MOG | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (800) 261-8582 |
| MOH | REGENCE BLUECROSS BLUESHIELD OF OREGON [Oregon (OR)] | TBD | (800) 452-6333 | (800) 824-8563 |
| MOI | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MOJ | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (833) 835-2714 | (800) 367-1934 |
| MOK | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (800) 275-2583 | (800) 275-2583 |
| MOL | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MOM | Anthem Blue Cross - California [California (CA)] | TBD | (800) 677-6669 | (800) 274-7767 |
| MON | Blue Cross Canada [Canada] | TRAD | (800) 361-6068 | (800) 361-6068 |
| MOO | Anthem Blue Cross and Blue Shield - Colorado [Georgia (GA)] | TBD | (877) 833-5742 | (877) 833-5742 |
| MOP | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MOQ | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (833) 803-4459 | (800) 952-3404 |
| MOR | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (800) 722-1471 | (866) 528-1748 |
| MOS | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MOT | Blue Advantage Administrators [Arkansas (AR)] | PPO | (800) 370-5852 | (800) 370-5852 |
| MOU | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MOV | Health Advantage HMO Partners [Arkansas (AR)] | PPO | (800) 238-8379 | (800) 238-8379 |
| MOW | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 578-4443 | (833) 578-4443 |
| MOX | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MOY | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MOZ | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MPA | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (833) 578-4441 | (833) 578-4441 |
| MPB | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 835-2714 | (866) 454-3592 |
| MPC | Blue Cross and Blue Shield of Rhode Island [Rhode Island (RI)] | PPO | (800) 730-9452 | (800) 635-2477 |
| MPD | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| MPE | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MPF | Excellus BlueCross BlueShield - Rochester, NY [New York (NY)] | PPO | (800) 942-4254 | (800) 363-4658 |
| MPG | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (833) 803-4459 | (800) 952-3404 |
| MPH | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MPI | Anthem Blue Cross - California [California (CA)] | PPO | (310) 769-0007 | (800) 274-7767 |
| MPJ | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (800) 334-7287 |
| MPK | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MPL | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MPM | Highmark Blue Cross Blue Shield [New York (NY)] | PPO | (866) 876-1918 | (800) 452-8507 |
| MPN | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MPO | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (800) 517-6425 | (800) 248-2342 |
| MPP | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (800) 518-1638 |
| MPQ | Anthem Blue Cross and Blue Shield - Maine [Maine (ME)] | PPO | (855) 854-1438 | (866) 477-1587 |
| MPR | Anthem Blue Cross - California [California (CA)] | PPO | (888) 887-8955 | (888) 887-8955 |
| MPS | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (855) 295-5840 | (855) 343-4851 |
| MPT | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MPU | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (833) 639-1634 |
| MPV | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 835-2714 | (866) 454-3592 |
| MPW | ANTHEM BLUE CROSS AND BLUE SHIELD - KENTUCKY [Kentucky (KY)] | PPO | (833) 835-2714 | (855) 984-2583 |
| MPX | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MPY | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (800) 261-8582 |
| MPZ | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MQA | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MQB | Empire NY BCBS - Anthem [New York (NY)] | PPO | (844) 235-4443 | (800) 952-7695 |
| MQC | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (888) 596-5998 |
| MQD | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (877) 665-1454 |
| MQE | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (866) 508-8757 | (855) 343-4851 |
| MQF | Highmark Blue Cross Blue Shield [New York (NY)] | PPO | (888) 840-6322 | (800) 950-0051 |
| MQG | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (888) 376-6544 |
| MQH | Blue Cross Blue Shield of Michigan [Michigan (MI)] | TRAD | (888) 500-7898 | (888) 500-7898 |
| MQI | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 362-2218 |
| MQJ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | TRAD | (888) 500-7898 | (888) 500-7898 |
| MQK | Blue Cross Blue Shield of Michigan [Michigan (MI)] | TRAD | (888) 500-7898 | (888) 500-7898 |
| MQL | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (855) 295-5840 | (855) 343-4851 |
| MQM | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MQN | BCBS of North Carolina [North Carolina (NC)] | TRAD | (800) 214-4844 | (800) 214-4844 |
| MQO | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MQP | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (877) 526-3425 |
| MQQ | Blue Cross of Idaho Health Service - Boise [Idaho (ID)] | PPO | (866) 482-2250 | (800) 743-1871 |
| MQR | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 345-3806 | (800) 452-8507 |
| MQS | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | TBD | (833) 639-1634 | (800) 282-1016 |
| MQT | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (866) 678-1327 |
| MQU | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (855) 538-1565 | (855) 538-1565 |
| MQV | Blue Cross and Blue Shield of Nebraska [Nebraska (NE)] | PPO | (800) 284-4640 | (800) 247-1103 |
| MQW | Blue Cross Blue Shield of Michigan [Michigan (MI)] | TRAD | (888) 500-7898 | (888) 500-7898 |
| MQX | Anthem Blue Cross - California [California (CA)] | PPO | (844) 857-6295 | (800) 274-7767 |
| MQY | BCBS of North Carolina [North Carolina (NC)] | TRAD | (800) 214-4844 | (800) 214-4844 |
| MQZ | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 677-6669 |
| MRA | BlueCross BlueShield of Tennessee [Tennessee (TN)] | PPO | (866) 271-8426 | (877) 309-3448 |
| MRB | BLUE CROSS AND BLUE SHIELD OF MINNESOTA [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MRC | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | EPO | (800) 452-8507 | (800) 452-8507 |
| MRD | Anthem Blue Cross CA [California (CA)] | TBD | (800) 677-6669 | (877) 526-3425 |
| MRE | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 362-2218 |
| MRF | Blue Cross Blue Shield of Michigan [Michigan (MI)] | TRAD | (888) 500-7898 | (888) 500-7898 |
| MRG | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MRH | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (866) 643-7087 |
| MRI | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MRJ | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (800) 641-5566 |
| MRK | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MRL | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MRM | Blue Cross and Blue Shield of Kansas City - MO [MO/KS (MO/KS)] | PPO | (800) 456-3759 | (800) 892-6116 |
| MRN | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (877) 223-9914 | (877) 223-9914 |
| MRO | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (877) 228-7268 |
| MRP | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (866) 643-7087 |
| MRQ | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (844) 451-2106 | (844) 451-2106 |
| MRR | BLUE CROSS AND BLUE SHIELD OF MINNESOTA [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MRS | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MRT | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| MRU | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 242-0514 | (800) 452-8507 |
| MRV | Anthem Blue Cross - California [California (CA)] | PPO | (877) 898-0739 | (877) 898-0739 |
| MRW | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MRX | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (866) 643-7087 |
| MRY | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (800) 517-6425 | (800) 248-2342 |
| MRZ | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MSA | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (800) 517-6425 | (800) 248-2342 |
| MSB | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 362-2218 |
| MSC | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (800) 517-6425 | (800) 248-2342 |
| MSD | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (866) 885-2415 |
| MSE | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MSF | Empire NY BCBS - Anthem [New York (NY)] | PPO | (844) 235-4443 | (844) 235-4443 |
| MSG | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MSH | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MSI | Blue Cross and Blue Shield of Oklahoma - Blue Lincs HMO [Oklahoma (OK)] | PPO | (866) 227-0913 | (800) 423-6884 |
| MSJ | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (866) 528-1747 | (866) 528-1748 |
| MSK | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MSL | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (877) 687-0007 |
| MSM | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (877) 228-7268 |
| MSN | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (844) 995-1752 | (844) 995-1752 |
| MSO | Blue Cross and Blue Shield of Nebraska [Nebraska (NE)] | PPO | (800) 284-4640 | (800) 247-1103 |
| MSP | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (800) 722-1471 | (800) 722-1471 |
| MSQ | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | TRAD | (800) 722-1471 | (866) 528-1748 |
| MSR | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MSS | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 835-2714 | (833) 835-2714 |
| MST | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (800) 722-1471 | (800) 722-1471 |
| MSU | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (844) 728-7612 | (844) 728-7612 |
| MSV | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 441-9188 | (800) 441-9188 |
| MSW | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 334-2583 |
| MSX | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (877) 269-1180 | (877) 269-1180 |
| MSY | BCBS of North Carolina [North Carolina (NC)] | PPO | (800) 214-4844 | (800) 214-4844 |
| MSZ | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 274-7767 |
| MTA | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (844) 384-5331 | (844) 384-5331 |
| MTB | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MTC | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (833) 592-9956 |
| MTD | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (877) 434-0176 | (877) 434-0176 |
| MTE | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MTF | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (800) 241-7475 | (844) 269-0534 |
| MTG | Empire NY BCBS - Anthem [New York (NY)] | PPO | (833) 835-2714 | (877) 284-0102 |
| MTH | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 774-3892 | (800) 642-9273 |
| MTI | BLUE SHIELD OF CALIFORNIA [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MTJ | Blue Cross of Idaho Health Service - Boise [Idaho (ID)] | PPO | (866) 482-2250 | (866) 482-2250 |
| MTK | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MTL | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| MTM | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (888) 376-6544 |
| MTN | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 327-6716 | (800) 327-6716 |
| MTO | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MTP | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | TRAD | (800) 688-6908 | (800) 327-6716 |
| MTQ | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MTR | BlueCross BlueShield of Tennessee [Tennessee (TN)] | PPO | (866) 271-8426 | (877) 309-3448 |
| MTS | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| MTT | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MTU | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (866) 312-4593 | (800) 862-3338 |
| MTV | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (833) 606-4282 | (833) 606-4282 |
| MTW | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 835-2714 | (877) 284-0102 |
| MTX | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (855) 827-6043 | (877) 934-8667 |
| MTY | Anthem Blue Cross - California [California (CA)] | PPO | (800) 287-1442 | (800) 287-1442 |
| MTZ | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MUA | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| MUB | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (833) 592-9956 |
| MUC | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MUD | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MUE | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MUF | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 603-7963 | (833) 603-7963 |
| MUG | Blue Advantage Administrators [Arkansas (AR)] | PPO | (800) 370-5853 | (800) 451-7302 |
| MUH | Blue Cross of Idaho Health Service - Boise [Idaho (ID)] | TRAD | (866) 482-2250 | (800) 743-1871 |
| MUI | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MUJ | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (800) 468-6071 | (866) 776-4793 |
| MUK | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 603-7963 | (833) 603-7963 |
| MUL | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MUM | Blue Cross and Blue Shield of Arizona [Arizona (AZ)] | PPO | (800) 701-0977 | (800) 701-0977 |
| MUN | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MUO | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (833) 578-4439 |
| MUP | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (888) 376-6544 |
| MUQ | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (800) 508-4722 | (800) 508-4722 |
| MUR | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MUS | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MUT | Anthem Blue Cross and Blue Shield - Maine [Maine (ME)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MUU | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MUV | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| MUW | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 242-0514 | (800) 452-8507 |
| MUX | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MUY | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (800) 517-6425 | (800) 242-2342 |
| MUZ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MVA | Blue Cross and Blue Shield of Montana [Montana (MT)] | PPO | (855) 874-6860 | (855) 874-6860 |
| MVB | Comprehensive Benefits Administrators [Vermont (VT)] | PPO | (888) 222-9206 | (888) 222-9206 |
| MVC | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 549-1181 | (833) 549-1181 |
| MVD | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (866) 528-1747 | (866) 528-1748 |
| MVE | BBA Blue Benefit Administrators [Massachusetts (MA)] | PPO | (877) 707-2583 | (877) 707-2583 |
| MVF | Empire NY BCBS - Anthem [New York (NY)] | PPO | (844) 235-4443 | (844) 235-4443 |
| MVG | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MVH | WELLMARK OF IOWA/SOUTH DAKOTA [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MVI | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MVJ | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 441-9188 | (800) 441-9188 |
| MVK | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 835-2714 | (855) 343-4851 |
| MVL | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MVM | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (800) 517-6425 | (800) 248-2342 |
| MVN | Empire NY BCBS - Anthem [New York (NY)] | PPO | (844) 235-4443 | (844) 235-4443 |
| MVO | BLUE CROSS OF IDAHO HEALTH SERVICE - BOISE [Idaho (ID)] | TRAD | (866) 482-2250 | (800) 743-1871 |
| MVP | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (877) 228-7268 |
| MVQ | Blue Cross of Idaho Health Service - Boise [Idaho (ID)] | TRAD | (866) 482-2250 | (800) 743-1871 |
| MVR | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 914-4808 | (800) 452-8507 |
| MVS | BLUE SHIELD OF CALIFORNIA [California (CA)] | TBD | (800) 541-6652 | (800) 541-6652 |
| MVT | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MVU | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (833) 578-4441 | (833) 578-4441 |
| MVV | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MVW | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | TBD | (800) 203-0584 | (800) 203-0584 |
| MVX | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (800) 334-7287 |
| MVY | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (877) 814-4803 |
| MVZ | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| MWA | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MWB | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | TBD | (833) 592-9956 | (800) 533-1120 |
| MWC | Anthem Blue Cross and Blue Shield - Kentucky [Kentucky (KY)] | PPO | (833) 835-2714 | (833) 578-4443 |
| MWD | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (866) 312-2541 |
| MWE | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (800) 599-8069 | (866) 776-4793 |
| MWF | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MWG | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MWH | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MWI | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 362-2218 |
| MWJ | Horizon Blue Cross and Blue Shield of New Jersey [New Jersey (NJ)] | PPO | (888) 340-1247 | (800) 664-2583 |
| MWK | Horizon Blue Cross and Blue Shield of New Jersey [New Jersey (NJ)] | TRAD | (888) 340-1247 | (800) 664-2583 |
| MWL | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MWM | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (833) 578-4439 |
| MWN | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MWO | Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (800) 275-2583 | (800) 275-2583 |
| MWP | BBA Blue Benefit Administrators [Massachusetts (MA)] | PPO | (877) 707-2583 | (877) 707-2583 |
| MWQ | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | TBD | (833) 592-9956 | (800) 533-1120 |
| MWR | Blue Cross and Blue Shield of Kansas City - MO [MO/KS (MO/KS)] | PPO | (888) 989-8842 | (800) 892-6116 |
| MWS | Blue Cross and Blue Shield of Texas [Texas (TX)] | TBD | (800) 441-9188 | (800) 441-9188 |
| MWT | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MWU | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (800) 599-8069 | (866) 776-4793 |
| MWV | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (833) 578-4439 |
| MWW | Anthem Blue and Cross Blue Shield - Nevada [Nevada (NV)] | PPO | (877) 833-5742 | (800) 336-7767 |
| MWX | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (800) 517-6425 | (800) 248-2342 |
| MWY | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | TRAD | (833) 578-4439 | (800) 599-8069 |
| MWZ | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (833) 803-4459 | (844) 864-4352 |
| MXA | Anthem Blue Cross - California [California (CA)] | PPO | (888) 285-7793 | (800) 274-7767 |
| MXB | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 241-5704 | (888) 510-1024 |
| MXC | HIGHMARK BLUECROSS BLUESHIELD WEST VIRGINIA [New York (NY)] | TBD | (888) 809-9121 | (800) 344-5245 |
| MXD | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| MXE | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| MXF | Empire NY BCBS - Anthem [New York (NY)] | TRAD | (844) 235-4443 | (844) 235-4443 |
| MXG | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MXH | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| MXI | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MXJ | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | TBD | (833) 592-9956 | (800) 533-1120 |
| MXK | PA Capital Keystone Health Plan Central – CBC [Pennsylvania (PA)] | PPO | (877) 892-6298 | (800) 471-2242 |
| MXL | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 774-3892 | (800) 642-9273 |
| MXM | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 774-3892 | (800) 642-9273 |
| MXN | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MXO | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MXP | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MXQ | Empire NY BCBS - Anthem [New York (NY)] | PPO | (844) 235-4443 | (800) 518-1638 |
| MXR | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 442-7247 |
| MXS | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 835-2714 | (855) 343-4851 |
| MXT | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MXU | Anthem Blue Cross and Blue Shield - Connecticut [Georgia (GA)] | TRAD | (833) 952-2074 | (833) 952-2074 |
| MXV | Blue Cross of Idaho Health Service - Boise [Idaho (ID)] | PPO | (866) 482-2250 | (800) 743-1871 |
| MXW | Blue Cross of Idaho Health Service - Boise [Idaho (ID)] | PPO | (866) 482-2250 | (800) 743-1871 |
| MXX | HealthCare Management Administrators [Washington (WA)] | PPO | (866) 738-3924 | (866) 738-3924 |
| MXY | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MXZ | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (866) 528-1747 | (866) 528-1747 |
| MYA | Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (800) 275-2583 | (800) 275-2583 |
| MYB | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (800) 722-1471 | (800) 423-6884 |
| MYC | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | TRAD | (833) 578-4439 | (877) 223-9913 |
| MYD | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MYE | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 592-9954 | (833) 592-9954 |
| MYF | Empire NY BCBS - Anthem [New York (NY)] | PPO | (844) 235-4443 | (866) 236-6748 |
| MYG | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 362-2218 |
| MYH | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MYI | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MYJ | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | TBD | (833) 578-4436 | (888) 571-9054 |
| MYK | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MYL | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MYM | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | TRAD | (833) 639-1634 | (866) 231-0849 |
| MYN | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (855) 869-8135 | (855) 869-8135 |
| MYO | BLUE SHIELD OF CALIFORNIA [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MYP | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 835-2714 | (855) 479-1595 |
| MYQ | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MYR | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (800) 517-6425 | (800) 248-2342 |
| MYS | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MYT | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MYU | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MYV | REGENCE BLUECROSS BLUESHIELD OF UTAH [Utah (UT)] | TBD | (866) 227-0913 | (800) 228-8263 |
| MYW | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (800) 641-5566 |
| MYX | Blue Cross and Blue Shield of Oklahoma [Oklahoma (OK)] | PPO | (800) 672-2567 | (800) 672-2567 |
| MYY | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| MYZ | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MZA | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| MZB | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 701-2324 | (800) 452-8507 |
| MZC | Blue Cross and Blue Shield of Rhode Island [Rhode Island (RI)] | PPO | (800) 327-6712 | (800) 327-6712 |
| MZD | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| MZE | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| MZF | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (855) 288-8357 | (855) 288-8357 |
| MZG | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | TRAD | (800) 203-0584 | (800) 203-0584 |
| MZH | BLUE CROSS AND BLUE SHIELD OF ARIZONA [Arizona (AZ)] | DSNP | (800) 656-8991 | (800) 656-8991 |
| MZI | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| MZJ | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (833) 578-4439 |
| MZK | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (833) 592-9956 |
| MZL | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (855) 924-5298 | (855) 924-5298 |
| MZM | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MZN | BCBS of North Carolina [North Carolina (NC)] | PPO | (800) 214-4844 | (800) 214-4844 |
| MZO | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MZP | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MZQ | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MZR | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MZS | BCBS of North Carolina [North Carolina (NC)] | PPO | (800) 214-4844 | (800) 214-4844 |
| MZT | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MZU | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (888) 376-6544 |
| MZV | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| MZW | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MZX | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| MZY | Blue Cross Blue Shield of Michigan [Michigan (MI)] | MEDICARV | (888) 500-7898 | (888) 500-7898 |
| MZZ | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
M Prefix Summary
875 total prefixes starting with M. 60 assigned to Blue Cross and Blue Shield of Illinois. 87 unique BCBS companies represented. 734 PPO plans, 1 HMO plans, 67 Traditional plans.
Need the full phone directory? See our complete BCBS provider phone number directory with provider services, claims, and prior authorization lines for all 51 Blue Cross Blue Shield companies.
Frequently Asked Questions
What BCBS Company Uses Prefix M2C?
Prefix M2C is assigned to Blue Cross and Blue Shield of Illinois. It is a PPO plan. For provider services, call (800) 203-0584. If you need pre-certification, call (800) 203-0584. Have your member ID and prefix ready before calling.
How Many BCBS Prefixes Start with M?
There are 875 active BCBS prefixes starting with M. The most common company on this page is Blue Cross and Blue Shield of Illinois, which accounts for 60 prefixes. 84% of M-prefixes are PPO plans, 1 are HMO, and 67 are Traditional plans.
How Do I Know If My M-Prefix Plan Is PPO or HMO?
Check the “Type” column in the table above. It shows whether each prefix is PPO, HMO, TRAD (Traditional), or another plan type. If the table shows “Verify with plan,” check your physical insurance card. The plan type is usually printed on the front of your card near the BCBS logo (“Blue PPO,” “HMO Blue,” etc.). You can also call the provider phone number listed for your prefix.
What Is BCBS Prefix MJF?
Prefix MJF belongs to Carefirst Administrators Maryland Area. This is a PPO plan. The provider services phone number is (877) 889-2478. If your member ID starts with MJF, this is your home BCBS company for billing and claims purposes.
Can I Use My M-Prefix BCBS Card in Another State?
Yes. All BCBS cards with an alpha prefix are part of the BlueCard program. This means your card works at any BCBS-participating provider in all 50 states. The suitcase logo on your card confirms BlueCard access. When you visit a doctor out of state, the provider uses your prefix to route the claim back to your home BCBS company. You don’t need to do anything special. Just show your card.
Browse Other Prefix Pages
Prefix data sourced from BCBS provider reference documents. Phone numbers verified against official company publications. This page is not affiliated with the Blue Cross Blue Shield Association.