BCBS Prefixes Starting with O: OAA to OZZ
This page lists all 694 BCBS alpha prefixes starting with the letter O (OAA through OZZ). 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 694 prefixes, so filtering saves time.
Complete Prefix Table: OAA to OZZ
| Prefix | Company (Home Plan) | Type | Provider Phone | Pre-Cert Phone |
|---|---|---|---|---|
| O2A | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 274-7767 |
| O2C | Regence BlueCross BlueShield of Oregon [Oregon (OR)] | TRAD | (888) 675-6570 | (877) 395-4942 |
| O2E | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 274-7767 |
| O2F | Regence BlueCross BlueShield of Oregon [Oregon (OR)] | PPO | (888) 675-6570 | (877) 395-4942 |
| O2G | Regence BlueCross BlueShield of Oregon [Oregon (OR)] | TRAD | (888) 675-6570 | (877) 395-4942 |
| O2I | REGENCE BLUECROSS BLUESHIELD OF OREGON [Oregon (OR)] | PPO | (800) 452-6333 | (800) 423-6884 |
| O2M | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (855) 397-9267 | (855) 397-9267 |
| O2N | Highmark BlueCross BlueShield West Virginia [New York (NY)] | PPO | (888) 809-9121 | (800) 344-5245 |
| O2S | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| O2T | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| O3B | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (800) 722-1471 | (800) 722-1471 |
| O3C | HealthCare Management Administrators [Washington (WA)] | TBD | (866) 738-3924 | (866) 738-3924 |
| O3F | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (844) 679-8041 |
| O3G | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (844) 679-8041 |
| O3N | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (844) 679-8041 |
| O3T | Regence BlueCross BlueShield of Oregon [Oregon (OR)] | TRAD | (877) 395-4942 | (800) 824-8563 |
| O3V | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (800) 722-1471 | (800) 722-1471 |
| O3W | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 835-2714 | (866) 508-8757 |
| O4F | HealthCare Management Administrators [Washington (WA)] | PPO | (425) 285-3505 | (425) 285-3505 |
| O4R | Regence BlueCross BlueShield of Oregon [Oregon (OR)] | PPO | (800) 824-8563 | (800) 824-8563 |
| O6H | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (800) 508-4722 | (800) 508-4722 |
| O7A | HealthCare Management Administrators [Washington (WA)] | TBD | (866) 738-3924 | (866) 738-3924 |
| O7H | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | HPN | (844) 891-8359 | (844) 891-8359 |
| O9K | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| O9U | REGENCE BLUECROSS BLUESHIELD OF OREGON [Oregon (OR)] | TRAD | (877) 276-5906 | (800) 862-3338 |
| OAA | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| OAB | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| OAC | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (833) 639-1634 |
| OAD | Highmark Blue Cross Blue Shield [New York (NY)] | TRAD | (800) 544-2583 | (800) 950-0051 |
| OAE | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (866) 643-7087 |
| OAF | BCBS of North Carolina [North Carolina (NC)] | PPO | (800) 214-4844 | (800) 214-4844 |
| OAG | Anthem Blue Cross and Blue Shield - Colorado [Georgia (GA)] | PPO | (877) 354-0484 | (800) 832-7850 |
| OAH | Empire NY BCBS - Anthem [New York (NY)] | PPO | (844) 235-4443 | (800) 518-1638 |
| OAI | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OAJ | CareFirst BlueCross BlueShield - Washington, D.C. [New York (NY)] | PPO | (866) 773-2884 | (877) 228-7268 |
| OAK | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (800) 275-2583 | (800) 275-2583 |
| OAL | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OAM | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 241-5704 | (800) 452-8507 |
| OAN | CareFirst BlueCross BlueShield - Maryland [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| OAO | CAREFIRST BLUECROSS BLUESHIELD - MARYLAND [New York (NY)] | TBD | (877) 228-7268 | (866) 773-2884 |
| OAP | Anthem Blue Cross and Blue Shield - Kentucky [Kentucky (KY)] | PPO | (833) 578-4443 | (833) 578-4443 |
| OAQ | CareFirst BlueCross BlueShield - Washington, D.C. [New York (NY)] | PPO | (866) 773-2884 | (877) 228-7268 |
| OAR | CareFirst BlueCross BlueShield - Washington, D.C. [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| OAS | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (855) 285-4212 | (855) 285-4212 |
| OAT | Blue Cross and Blue Shield of Nebraska [Nebraska (NE)] | PPO | (800) 284-4640 | (800) 247-1103 |
| OAU | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OAV | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | TBD | (800) 517-6425 | (877) 231-7239 |
| OAW | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | TBD | (800) 688-6908 | (800) 327-6716 |
| OAX | CareFirst BlueCross BlueShield - Washington, D.C. [New York (NY)] | PPO | (866) 773-2884 | (877) 228-7268 |
| OAY | CareFirst BlueCross BlueShield - Maryland [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| OAZ | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| OBA | Anthem Blue Cross - California [California (CA)] | PPO | (800) 477-2226 | (800) 477-2226 |
| OBB | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | MEDICARV | (866) 763-9471 | (800) 452-8507 |
| OBC | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| OBD | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (888) 376-6544 |
| OBE | Blue Cross Blue Shield of Michigan [Michigan (MI)] | MEDICARV | (888) 500-7898 | (888) 500-7898 |
| OBF | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | MEDICARV | (866) 763-9471 | (800) 452-8507 |
| OBG | BlueCross BlueShield of Tennessee [Tennessee (TN)] | PPO | (866) 271-8426 | (877) 309-3448 |
| OBH | CAREFIRST BLUECROSS BLUESHIELD - WASHINGTON, D.C. [New York (NY)] | TBD | (866) 773-2884 | (866) 773-2884 |
| OBI | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| OBJ | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (800) 722-1471 | (800) 722-1471 |
| OBK | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (866) 643-7087 |
| OBL | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| OBM | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (410) 581-3535 |
| OBN | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| OBO | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 241-5704 | (800) 345-3806 |
| OBP | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OBQ | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 274-7767 |
| OBR | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| OBS | Blue Cross of Idaho Health Service - Boise [Idaho (ID)] | TRAD | (866) 482-2250 | (800) 743-1871 |
| OBT | Blue Cross and Blue Shield of Arizona [Arizona (AZ)] | PPO | (800) 701-0977 | (800) 388-3193 |
| OBU | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (800) 517-6425 | (800) 248-2342 |
| OBV | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (855) 215-6079 | (855) 215-6079 |
| OBW | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (844) 864-4352 | (844) 864-4352 |
| OBX | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | TRAD | (855) 215-6079 | (855) 215-6079 |
| OBY | CareFirst BlueCross BlueShield - Washington, D.C. [New York (NY)] | PPO | (866) 773-2884 | (877) 228-7268 |
| OBZ | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OCA | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 274-7767 |
| OCB | Blue Cross Blue Shield of Michigan [Michigan (MI)] | TBD | (888) 500-7898 | (800) 249-5103 |
| OCC | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (833) 592-9956 |
| OCD | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OCE | Anthem Blue and Cross Blue Shield - Nevada [Nevada (NV)] | PPO | (877) 833-5742 | (800) 518-1638 |
| OCF | Blue Cross and Blue Shield of Louisiana [Louisiana (LA)] | EPO | (800) 599-2583 | (800) 523-6435 |
| OCG | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| OCH | Highmark Blue Cross Blue Shield [New York (NY)] | PPO | (888) 840-6322 | (800) 452-8507 |
| OCI | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (866) 398-1922 |
| OCJ | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OCK | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (888) 376-6544 |
| OCL | BCBS of North Carolina [North Carolina (NC)] | TBD | (800) 214-4844 | (800) 214-4844 |
| OCM | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 362-2218 |
| OCN | Regence BlueCross BlueShield of Utah [Utah (UT)] | PPO | (866) 227-0913 | (800) 423-6884 |
| OCO | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OCP | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (855) 869-8135 | (855) 869-8135 |
| OCQ | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (833) 803-4459 | (800) 275-2583 |
| OCR | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (800) 275-2583 | (800) 275-2583 |
| OCS | Florida Blue [Florida (FL)] | TBD | (800) 727-2227 | (800) 727-2227 |
| OCT | Blue Cross of Idaho Health Service - Boise [Idaho (ID)] | PPO | (866) 482-2250 | (800) 743-1871 |
| OCU | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 835-2714 | (877) 284-0102 |
| OCV | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| OCW | Anthem Blue Cross - California [California (CA)] | PPO | (800) 688-3828 | (800) 274-7767 |
| OCX | CareFirst BlueCross BlueShield - Maryland [New York (NY)] | TRAD | (877) 228-7268 | (877) 228-7268 |
| OCY | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (877) 228-7268 |
| OCZ | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (800) 275-2583 | (800) 275-2583 |
| ODA | CareFirst BlueCross BlueShield - Washington, D.C. [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| ODB | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (855) 869-8135 | (855) 869-8135 |
| ODC | Blue Advantage Administrators [Arkansas (AR)] | PPO | (800) 370-5792 | (800) 370-5792 |
| ODD | Blue Cross and Blue Shield of Nebraska [Nebraska (NE)] | PPO | (800) 284-4640 | (800) 247-1103 |
| ODE | Blue Cross of Idaho Health Service - Boise [Idaho (ID)] | PPO | (866) 482-2250 | (800) 743-1871 |
| ODF | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| ODG | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (866) 643-7087 |
| ODH | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| ODI | Highmark Blue Cross Blue Shield [New York (NY)] | PPO | (800) 888-0757 | (800) 950-0051 |
| ODJ | BlueCross BlueShield of Tennessee [Tennessee (TN)] | PPO | (866) 271-8426 | (877) 309-3448 |
| ODK | CareFirst BlueCross BlueShield - Washington, D.C. [New York (NY)] | PPO | (866) 773-2884 | (877) 228-7268 |
| ODL | BlueCross BlueShield of Tennessee [Tennessee (TN)] | PPO | (866) 271-8426 | (877) 309-3448 |
| ODM | Blue Cross and Blue Shield of Arizona [Arizona (AZ)] | PPO | (800) 701-0977 | (800) 701-0977 |
| ODN | BlueCross BlueShield of Tennessee [Tennessee (TN)] | PPO | (866) 271-8426 | (877) 309-3448 |
| ODO | CareFirst BlueCross BlueShield - Washington, D.C. [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| ODP | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | TBD | (833) 639-1634 | (800) 282-1016 |
| ODQ | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 345-3806 | (800) 345-3806 |
| ODR | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (877) 228-7268 |
| ODS | Highmark Blue Cross Blue Shield [New York (NY)] | TRAD | (800) 334-2583 | (800) 950-0051 |
| ODT | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| ODU | Empire NY BCBS - Anthem [New York (NY)] | TBD | (844) 235-4443 | (800) 552-6630 |
| ODV | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| ODW | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| ODX | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (800) 517-6425 | (800) 248-2342 |
| ODY | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| ODZ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OEA | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 835-2714 | (877) 284-0102 |
| OEB | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 835-2714 | (877) 284-0102 |
| OEC | Excellus BlueCross BlueShield - Rochester, NY [New York (NY)] | PPO | (800) 942-4254 | (800) 363-4658 |
| OED | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (866) 862-4430 |
| OEE | Blue Cross and Blue Shield of Florida [Florida (FL)] | PPO | (800) 727-2227 | (800) 955-5692 |
| OEF | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| OEG | Blue Cross and Blue Shield of Kansas City - MO [MO/KS (MO/KS)] | PPO | (888) 989-8842 | (800) 892-6116 |
| OEH | Anthem Blue Cross - California [California (CA)] | PPO | (626) 356-1004 | (800) 274-7767 |
| OEI | Blue Cross and Blue Shield of Nebraska [Nebraska (NE)] | PPO | (800) 284-4640 | (800) 247-1103 |
| OEJ | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OEK | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OEL | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| OEM | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (833) 592-9956 |
| OEN | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | TBD | (833) 639-1634 | (833) 639-1634 |
| OEO | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OEP | PA Capital Keystone Health Plan Central – CBC [Pennsylvania (PA)] | PPO | (877) 892-6298 | (800) 471-2242 |
| OEQ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OER | Blue Cross and Blue Shield of Oklahoma - Blue Lincs HMO [Oklahoma (OK)] | PPO | (866) 227-0913 | (800) 824-8563 |
| OES | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 274-7767 |
| OET | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| OEU | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 345-3806 | (800) 452-8507 |
| OEV | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 345-3806 | (800) 452-8507 |
| OEW | BlueCross BlueShield of North Dakota [North Dakota (ND)] | TRAD | (800) 995-4600 | (800) 995-4600 |
| OEX | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 274-7767 |
| OEY | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OEZ | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (800) 334-7287 |
| OFA | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (855) 285-4212 | (855) 285-4212 |
| OFB | PA Capital Keystone Health Plan Central – CBC [Pennsylvania (PA)] | PPO | (877) 892-6298 | (800) 471-2242 |
| OFC | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OFD | Highmark Blue Cross Blue Shield of Delaware [PA/DE/WV (PA/DE/WV)] | PPO | (800) 633-2563 | (866) 731-8080 |
| OFF | Highmark Blue Cross Blue Shield [New York (NY)] | PPO | (888) 840-6322 | (800) 452-8507 |
| OFG | Blue Cross and Blue Shield of Rhode Island [Rhode Island (RI)] | PPO | (800) 637-3718 | (800) 230-9050 |
| OFH | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (888) 290-9160 |
| OFI | CareFirst BlueCross BlueShield - Washington, D.C. [New York (NY)] | PPO | (866) 773-2884 | (877) 228-7268 |
| OFJ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OFK | BLUE CROSS BLUE SHIELD OF MICHIGAN [Michigan (MI)] | TBD | (888) 500-7898 | (888) 500-7898 |
| OFL | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (833) 592-9956 | (833) 592-9956 |
| OFM | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (877) 228-7268 |
| OFN | BlueCross BlueShield of Tennessee [Tennessee (TN)] | PPO | (866) 271-8426 | (877) 309-3448 |
| OFO | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 274-7767 |
| OFP | BlueCross BlueShield of Tennessee [Tennessee (TN)] | PPO | (866) 271-8426 | (877) 309-3448 |
| OFQ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OFR | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | TBD | (833) 592-9956 | (800) 533-1120 |
| OFS | Highmark Blue Cross Blue Shield [New York (NY)] | PPO | (888) 840-6322 | (800) 452-8507 |
| OFT | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OFU | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OFV | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OFW | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OFX | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | PPO | (833) 578-4436 | (833) 578-4436 |
| OFY | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OFZ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OGA | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 835-2714 | (844) 412-0889 |
| OGB | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | TBD | (833) 639-1634 | (800) 282-1016 |
| OGC | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 642-9273 |
| OGD | Blue Advantage Administrators [Arkansas (AR)] | PPO | (800) 370-5852 | (866) 278-2402 |
| OGE | Blue Cross and Blue Shield of Oklahoma [Oklahoma (OK)] | PPO | (800) 942-5837 | (800) 672-2567 |
| OGF | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OGG | CareFirst BlueCross BlueShield [Maryland (MD)] | TBD | (877) 889-2478 | (844) 213-6896 |
| OGH | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (800) 786-7930 | (855) 961-5414 |
| OGI | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OGJ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OGK | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OGL | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| OGM | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (800) 722-1471 | (866) 528-1748 |
| OGN | Anthem Blue Cross and Blue Shield - Kentucky [Kentucky (KY)] | PPO | (833) 835-2714 | (833) 578-4443 |
| OGO | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OGP | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TBD | (877) 889-2478 | (855) 444-3121 |
| OGQ | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TBD | (877) 889-2478 | (855) 444-3121 |
| OGR | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| OGS | Blue Cross and Blue Shield of Louisiana [Louisiana (LA)] | PPO | (800) 392-4089 | (800) 392-4089 |
| OGT | Highmark Blue Cross Blue Shield [New York (NY)] | TRAD | (888) 840-6322 | (800) 950-0051 |
| OGU | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 241-5704 | (800) 258-9808 |
| OGV | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TBD | (877) 889-2478 | (855) 444-3121 |
| OGW | BLUE CROSS AND BLUE SHIELD OF LOUISIANA [Louisiana (LA)] | PPO | (800) 599-2583 | (800) 523-6435 |
| OGX | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (877) 228-7268 |
| OGY | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (800) 722-1471 | (866) 528-1748 |
| OGZ | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TBD | (877) 889-2478 | (855) 444-3121 |
| OHA | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (800) 261-8582 |
| OHB | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 835-2714 | (877) 284-0102 |
| OHC | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OHD | Blue Cross and Blue Shield of Texas [Texas (TX)] | PPO | (800) 451-0287 | (800) 451-0287 |
| OHE | Blue Cross and Blue Shield of Rhode Island [Rhode Island (RI)] | PPO | (800) 327-6712 | (800) 327-6712 |
| OHF | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (833) 592-9956 |
| OHG | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (833) 592-9956 |
| OHH | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (855) 776-5678 | (855) 776-5678 |
| OHI | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (888) 376-6544 |
| OHJ | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (866) 398-1922 |
| OHK | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 774-3892 | (800) 642-9273 |
| OHL | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 241-5704 | (800) 241-5704 |
| OHM | Highmark Blue Cross Blue Shield [New York (NY)] | PPO | (855) 424-5209 | (800) 452-8507 |
| OHN | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 774-3892 | (800) 642-9273 |
| OHO | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (844) 891-8359 | (844) 891-8359 |
| OHP | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (844) 995-1752 | (844) 995-1752 |
| OHR | Anthem Blue Cross and Blue Shield - Colorado [Georgia (GA)] | PPO | (877) 833-5742 | (877) 833-5742 |
| OHS | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (855) 825-1125 | (855) 825-1125 |
| OHT | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | TRAD | (844) 995-1752 | (844) 995-1752 |
| OHU | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| OHV | Blue Cross and Blue Shield of Rhode Island [Rhode Island (RI)] | PPO | (800) 637-3718 | (800) 230-9050 |
| OHW | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| OHX | Blue Cross and Blue Shield of Rhode Island [Rhode Island (RI)] | PPO | (800) 327-6712 | (800) 230-9050 |
| OHY | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OHZ | Blue Cross and Blue Shield of Rhode Island [Rhode Island (RI)] | PPO | (800) 327-6712 | (800) 327-6712 |
| OIA | Blue Cross of Idaho Health Services [Idaho (ID)] | TBD | (866) 482-2250 | (866) 482-2250 |
| OIB | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | MEDIGAP | (800) 811-0391 | (800) 452-8507 |
| OIC | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (833) 803-4459 | (800) 275-2583 |
| OID | Blue Cross of Idaho Health Service - Boise [Idaho (ID)] | TRAD | (866) 482-2250 | (800) 743-1871 |
| OIE | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OIF | Blue Cross of Idaho Health Services [Idaho (ID)] | TBD | (866) 482-2250 | (866) 482-2250 |
| OIG | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 241-5704 | (800) 524-5503 |
| OIH | Blue Cross of Idaho Health Services [Idaho (ID)] | TBD | (866) 482-2250 | (866) 482-2250 |
| OII | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OIJ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OIK | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OIL | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | TRAD | (800) 223-4595 | (800) 452-8507 |
| OIM | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (800) 275-2583 | (800) 275-2583 |
| OIN | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | TRAD | (800) 811-0391 | (800) 452-8507 |
| OIO | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OIP | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OIQ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OIR | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 472-1506 | (800) 472-1506 |
| OIS | Highmark Blue Cross Blue Shield [New York (NY)] | TRAD | (888) 840-6322 | (800) 452-8507 |
| OIT | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OIU | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OIV | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OIW | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OIX | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OIY | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OIZ | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 274-7767 |
| OJA | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (888) 371-1266 |
| OJB | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (888) 371-1266 |
| OJC | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| OJE | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OJF | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OJG | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (855) 547-8393 |
| OJH | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 835-2714 | (855) 343-4851 |
| OJI | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OJJ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OJK | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OJL | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OJM | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | PPO | (833) 290-2481 | (833) 290-2481 |
| OJN | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OJO | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OJP | Blue Cross and Blue Shield of Rhode Island [Rhode Island (RI)] | PPO | (800) 327-6712 | (800) 327-6712 |
| OJQ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OJR | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| OJS | CareFirst BlueCross BlueShield [Maryland (MD)] | TBD | (877) 889-2478 | (844) 213-6896 |
| OJT | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (866) 623-5048 |
| OJU | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OJV | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OJW | Regence BlueCross BlueShield of Utah [Utah (UT)] | PPO | (866) 227-0913 | (855) 240-3696 |
| OJX | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OJY | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OJZ | BLUE CROSS BLUE SHIELD OF MICHIGAN [Michigan (MI)] | TBD | (888) 500-7898 | (888) 500-7898 |
| OKA | BLUE CROSS AND BLUE SHIELD OF MINNESOTA [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| OKB | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| OKC | Blue Cross and Blue Shield of Oklahoma [Oklahoma (OK)] | PPO | (800) 942-5837 | (800) 942-5837 |
| OKD | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (844) 864-4352 | (844) 864-4352 |
| OKE | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (877) 228-7268 |
| OKF | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OKG | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OKH | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (866) 470-6244 |
| OKI | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OKJ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OKK | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OKL | Blue Advantage Administrators [Arkansas (AR)] | PPO | (800) 370-5792 | (800) 451-7302 |
| OKM | Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (800) 275-2583 | (800) 275-2583 |
| OKN | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OKO | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OKP | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (844) 864-4352 | (844) 864-4352 |
| OKQ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OKR | Anthem Blue Cross and Blue Shield - Colorado [Georgia (GA)] | PPO | (877) 833-5742 | (800) 832-7850 |
| OKS | Highmark Blue Cross Blue Shield [New York (NY)] | PPO | (800) 334-2583 | (800) 950-0051 |
| OKT | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (800) 258-0503 | (800) 258-0503 |
| OKU | Blue Advantage Administrators [Arkansas (AR)] | TBD | (800) 370-5852 | (888) 872-2531 |
| OKV | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OKW | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 274-7767 |
| OKX | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OKY | Blue Cross Blue Shield of Michigan [Michigan (MI)] | TRAD | (888) 500-7898 | (888) 500-7898 |
| OKZ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OLA | Blue Cross and Blue Shield of Kansas City - MO [MO/KS (MO/KS)] | PPO | (866) 483-6261 | (800) 892-6116 |
| OLB | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 362-2218 |
| OLC | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (866) 643-7087 |
| OLD | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OLE | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | TRAD | (833) 578-4439 | (866) 643-7087 |
| OLF | Anthem Blue Cross CA [California (CA)] | TBD | (800) 677-6669 | (877) 526-3425 |
| OLG | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (866) 528-1747 | (866) 528-1748 |
| OLH | Blue Cross and Blue Shield of Arizona [Arizona (AZ)] | PPO | (800) 701-0977 | (800) 701-0977 |
| OLI | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OLK | BlueCross BlueShield of Tennessee [Tennessee (TN)] | TBD | (866) 271-8426 | (800) 924-7141 |
| OLL | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| OLM | Blue Advantage Administrators [Arkansas (AR)] | PPO | (800) 370-5852 | (866) 278-2402 |
| OLN | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (800) 517-6425 | (800) 248-2342 |
| OLO | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OLP | Highmark Blue Cross Blue Shield [New York (NY)] | TRAD | (888) 840-6322 | (800) 452-8507 |
| OLQ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OLR | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (800) 261-8582 |
| OLS | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (877) 228-7268 |
| OLT | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| OLU | Anthem Blue Cross and Blue Shield - Colorado [Georgia (GA)] | PPO | (877) 833-5742 | (800) 832-7850 |
| OLV | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OLW | Highmark Blue Cross Blue Shield [New York (NY)] | TRAD | (800) 334-2583 | (800) 950-0051 |
| OLX | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OLY | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OLZ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OMA | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (833) 639-1634 |
| OMB | ANTHEM BLUE CROSS AND BLUE SHIELD - KENTUCKY [Kentucky (KY)] | PPO | (833) 835-2714 | (855) 984-2583 |
| OMC | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | TBD | (833) 639-1634 | (800) 282-1016 |
| OMD | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (833) 803-4459 | (800) 275-2583 |
| OME | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| OMF | Anthem Blue Cross CA [California (CA)] | TBD | (800) 677-6669 | (877) 526-3425 |
| OMG | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OMH | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OMI | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 835-2714 | (855) 343-4851 |
| OMJ | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (833) 803-4459 | (800) 275-2583 |
| OMK | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | PPO | (833) 290-2481 | (833) 290-2481 |
| OML | Blue Cross and Blue Shield of Florida [Florida (FL)] | PPO | (877) 727-2227 | (800) 955-5692 |
| OMM | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 677-6669 |
| OMN | Anthem Blue Cross - California [California (CA)] | TBD | (800) 677-6669 | (800) 274-7767 |
| OMO | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OMP | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OMQ | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| OMR | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | TBD | (833) 639-1634 | (800) 282-1016 |
| OMS | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| OMT | Blue Cross Blue Shield of Michigan [Michigan (MI)] | MEDICARV | (888) 500-7898 | (888) 500-7898 |
| OMU | Blue Cross of Idaho Health Service - Boise [Idaho (ID)] | PPO | (866) 482-2250 | (800) 743-1871 |
| OMV | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (877) 531-1140 |
| OMW | Blue Cross and Blue Shield of Nebraska [Nebraska (NE)] | PPO | (800) 284-4640 | (800) 247-1103 |
| OMX | Anthem Blue Cross and Blue Shield - Colorado [Georgia (GA)] | PPO | (877) 811-3106 | (800) 832-7850 |
| OMY | Blue Cross Blue Shield of Vermont [Vermont (VT)] | TBD | (800) 395-3389 | (800) 924-3494 |
| OMZ | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| ONA | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | PPO | (844) 256-9089 | (866) 776-4793 |
| ONB | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (866) 270-3714 |
| ONC | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (844) 233-5975 | (844) 233-5975 |
| OND | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 642-9273 |
| ONE | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (844) 233-5975 | (844) 233-5975 |
| ONF | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TBD | (877) 889-2478 | (855) 444-3121 |
| ONG | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| ONH | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| ONI | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (844) 233-5975 | (844) 233-5975 |
| ONJ | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| ONK | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TBD | (877) 889-2478 | (855) 444-3121 |
| ONL | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (800) 659-8543 | (800) 659-8543 |
| ONM | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | TBD | (833) 639-1634 | (800) 282-1016 |
| ONN | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 214-4844 | (800) 214-4844 |
| ONO | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| ONP | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | PPO | (844) 256-9089 | (866) 776-4793 |
| ONQ | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (800) 292-8868 | (800) 248-2342 |
| ONR | BLUE CROSS AND BLUE SHIELD OF FLORIDA [Florida (FL)] | TBD | (800) 727-2227 | (800) 727-2227 |
| ONS | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (800) 517-6425 | (800) 248-2342 |
| ONT | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| ONU | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (877) 228-7268 |
| ONV | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| ONW | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (844) 233-5975 | (844) 233-5975 |
| ONX | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (844) 233-5975 | (844) 233-5975 |
| ONY | Blue Cross and Blue Shield of Minnesota [Minnesota (MN)] | PPO | (888) 420-2227 | (800) 528-0934 |
| ONZ | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (844) 233-5975 | (844) 233-5975 |
| OOA | Empire NY BCBS - Anthem [New York (NY)] | TBD | (844) 235-4443 | (800) 552-6630 |
| OOB | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OOC | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| OOD | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OOE | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OOF | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OOG | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OOH | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (833) 803-4459 | (888) 567-8999 |
| OOI | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OOJ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OOK | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OOL | Blue Cross and Blue Shield of Rhode Island [Rhode Island (RI)] | PPO | (800) 327-6712 | (800) 327-6712 |
| OOM | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 274-7767 |
| OON | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OOO | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OOP | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OOQ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OOR | BCBS of North Carolina [North Carolina (NC)] | PPO | (800) 214-4844 | (800) 672-7897 |
| OOS | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OOT | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OOU | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OOV | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OOW | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OOX | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OOY | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (833) 803-4459 | (844) 864-4352 |
| OOZ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OPA | Blue Cross and Blue Shield of Louisiana [Louisiana (LA)] | PPO | (800) 599-2583 | (800) 495-2583 |
| OPB | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (888) 301-9273 | (800) 637-3493 |
| OPC | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (833) 592-9956 |
| OPD | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (866) 776-4793 |
| OPE | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (855) 272-0688 | (855) 272-0688 |
| OPF | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (866) 776-4793 |
| OPG | Anthem Blue Cross - California [California (CA)] | PPO | (800) 251-5013 | (800) 274-7767 |
| OPH | CareFirst BlueCross BlueShield [Maryland (MD)] | TBD | (877) 228-7268 | (877) 228-7268 |
| OPI | BCBS of North Carolina [North Carolina (NC)] | PPO | (800) 214-4844 | (800) 214-4844 |
| OPJ | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (866) 776-4793 |
| OPK | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (866) 776-4793 |
| OPL | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 835-2714 | (855) 343-4851 |
| OPM | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 835-2714 | (855) 343-4851 |
| OPN | Blue Cross Blue Shield of Michigan [Michigan (MI)] | TBD | (888) 500-7898 | (800) 249-5103 |
| OPO | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 343-1691 |
| OPP | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| OPQ | PREMERA BLUE CROSS - SEATTLE, WA [WA/AK (WA/AK)] | TBD | (800) 722-1471 | (800) 722-1471 |
| OPR | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| OPS | Blue Cross and Blue Shield of Massachusetts [Massachusetts (MA)] | PPO | (800) 688-6908 | (800) 327-6716 |
| OPT | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (866) 345-2791 |
| OPU | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (866) 776-4793 |
| OPV | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (866) 776-4793 |
| OPW | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (866) 776-4793 |
| OPX | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (866) 776-4793 |
| OPY | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (833) 803-4459 | (800) 275-2583 |
| OPZ | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (833) 578-4439 | (866) 776-4793 |
| OQA | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (855) 285-4212 |
| OQB | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 274-7767 |
| OQC | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (833) 803-4459 | (800) 275-2583 |
| OQD | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OQE | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OQF | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OQG | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OQH | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OQI | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OQJ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OQK | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OQL | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OQM | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OQN | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OQO | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OQP | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 274-7767 |
| OQQ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OQR | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OQS | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 274-7767 |
| OQT | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OQU | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OQV | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OQW | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OQX | BLUE CROSS BLUE SHIELD OF MICHIGAN [Michigan (MI)] | TBD | (888) 500-7898 | (888) 500-7898 |
| OQY | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| ORA | BCBS of North Carolina [North Carolina (NC)] | PPO | (800) 214-4844 | (800) 214-4844 |
| ORB | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 362-2218 |
| ORC | Anthem Blue Cross and Blue Shield - Kentucky [Kentucky (KY)] | PPO | (833) 835-2714 | (833) 578-4443 |
| ORD | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (800) 275-2583 | (800) 275-2583 |
| ORE | BlueCross BlueShield of Tennessee [Tennessee (TN)] | PPO | (866) 271-8426 | (877) 309-3448 |
| ORF | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| ORG | BlueCross BlueShield of Tennessee [Tennessee (TN)] | PPO | (866) 271-8426 | (877) 309-3448 |
| ORH | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | PPO | (833) 578-4436 | (833) 578-4436 |
| ORI | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (800) 334-7287 |
| ORJ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| ORK | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (800) 282-1016 |
| ORL | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 677-6669 |
| ORM | Highmark Blue Cross Blue Shield [New York (NY)] | PPO | (800) 429-9886 | (800) 452-8507 |
| ORN | Horizon Blue Cross and Blue Shield of New Jersey [New Jersey (NJ)] | PPO | (888) 340-1247 | (800) 664-2583 |
| ORO | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| ORP | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 477-2226 |
| ORQ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| ORR | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (866) 643-7087 |
| ORS | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (425) 285-3505 | (425) 285-3505 |
| ORT | PA Capital Keystone Health Plan Central – CBC [Pennsylvania (PA)] | PPO | (877) 892-6298 | (800) 471-2242 |
| ORU | BlueCross BlueShield of Tennessee [Tennessee (TN)] | PPO | (866) 271-8426 | (877) 309-3448 |
| ORV | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| ORW | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | TBD | (833) 592-9956 | (800) 533-1120 |
| ORX | Blue Cross of Idaho Health Service - Boise [Idaho (ID)] | PPO | (866) 482-2250 | (800) 743-1871 |
| ORY | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| ORZ | Horizon Blue Cross and Blue Shield of New Jersey [New Jersey (NJ)] | PPO | (888) 340-1247 | (800) 664-2583 |
| OSA | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (800) 517-6425 | (800) 248-2342 |
| OSB | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (800) 517-6425 | (800) 248-2342 |
| OSC | BLUE SHIELD OF CALIFORNIA [California (CA)] | TBD | (800) 541-6652 | (800) 541-6652 |
| OSD | Empire NY BCBS - Anthem [New York (NY)] | PPO | (833) 835-2714 | (800) 582-1535 |
| OSE | Blue Cross and Blue Shield of Arizona [Arizona (AZ)] | PPO | (866) 595-5997 | (866) 595-5997 |
| OSF | Anthem Blue Cross CA [California (CA)] | TBD | (800) 677-6669 | (877) 526-3425 |
| OSG | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | TBD | (833) 578-4436 | (888) 571-9054 |
| OSH | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (877) 228-7268 |
| OSI | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (833) 803-4459 | (800) 952-3404 |
| OSJ | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (844) 879-5710 | (866) 643-7087 |
| OSK | Anthem Blue Cross CA [California (CA)] | TBD | (800) 677-6669 | (877) 526-3425 |
| OSL | Blue Cross and Blue Shield of Nebraska [Nebraska (NE)] | PPO | (800) 284-4640 | (800) 247-1103 |
| OSM | Blue Cross and Blue Shield of Illinois [Illinois (IL)] | PPO | (800) 203-0584 | (800) 203-0584 |
| OSN | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | TRAD | (833) 639-1634 | (866) 257-8567 |
| OSO | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (833) 803-4459 | (800) 275-2583 |
| OSP | Blue Cross and Blue Shield of Florida [Florida (FL)] | PPO | (800) 727-2227 | (800) 955-5692 |
| OSQ | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | PPO | (800) 242-0514 | (800) 452-8507 |
| OSR | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (833) 803-4459 | (800) 275-2583 |
| OSS | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OST | Highmark Blue Cross Blue Shield of Delaware [PA/DE/WV (PA/DE/WV)] | PPO | (800) 633-2563 | (800) 633-2563 |
| OSU | BLUE SHIELD OF CALIFORNIA [California (CA)] | TBD | (800) 541-6652 | (800) 541-6652 |
| OSV | Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (800) 275-2583 | (800) 275-2583 |
| OSW | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | TRAD | (833) 371-0216 | (833) 371-0216 |
| OSX | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| OSY | Blue Cross and Blue Shield of Kansas City - MO [MO/KS (MO/KS)] | PPO | (866) 579-0864 | (800) 892-6116 |
| OSZ | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (833) 592-9956 |
| OTA | Blue Cross and Blue Shield of Florida [Florida (FL)] | PPO | (800) 727-2227 | (800) 955-5692 |
| OTB | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 924-0253 | (833) 924-0253 |
| OTC | Blue Cross and Blue Shield of Nebraska [Nebraska (NE)] | PPO | (800) 284-4640 | (800) 247-1103 |
| OTD | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 677-6669 |
| OTE | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | TRAD | (844) 467-6308 | (844) 467-6308 |
| OTF | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (844) 467-6308 | (844) 467-6308 |
| OTG | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OTH | BlueCross BlueShield of Tennessee [Tennessee (TN)] | PPO | (866) 271-8426 | (877) 309-3448 |
| OTI | BlueCross BlueShield of North Dakota [North Dakota (ND)] | TRAD | (800) 368-2312 | (800) 368-2312 |
| OTJ | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (877) 228-7268 |
| OTK | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 774-3892 | (800) 642-9273 |
| OTL | Blue Cross and Blue Shield of Alabama [Alabama (AL)] | PPO | (800) 517-6425 | (800) 248-2342 |
| OTM | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OTN | BlueCross BlueShield of North Dakota [North Dakota (ND)] | PPO | (800) 368-2312 | (800) 368-2312 |
| OTO | BlueCross BlueShield of North Dakota [North Dakota (ND)] | PPO | (800) 368-2312 | (800) 368-2312 |
| OTP | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OTQ | Anthem Blue Cross and Blue Shield - Connecticut [Georgia (GA)] | PPO | (833) 993-1701 | (833) 993-1701 |
| OTR | BLUE CROSS AND BLUE SHIELD OF FLORIDA [Florida (FL)] | TBD | (800) 727-2227 | (800) 727-2227 |
| OTS | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (800) 275-2583 | (800) 275-2583 |
| OTT | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 362-2218 |
| OTU | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| OTV | PREMERA BLUE CROSS - SEATTLE, WA [WA/AK (WA/AK)] | TBD | (800) 722-1471 | (800) 722-1471 |
| OTW | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 905-1645 | (833) 905-1645 |
| OTX | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OTY | Regence Blue Shield - Seattle, WA [Washington (WA)] | PPO | (800) 423-6884 | (800) 423-6884 |
| OTZ | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (888) 290-9160 |
| OUA | Regence BlueCross BlueShield of Oregon [Oregon (OR)] | PPO | (800) 452-6333 | (800) 862-3338 |
| OUB | Blue Cross and Blue Shield of Rhode Island [Rhode Island (RI)] | PPO | (800) 327-6712 | (800) 327-6712 |
| OUC | Blue Cross and Blue Shield of South Carolina [South Carolina (SC)] | PPO | (800) 261-8582 | (800) 261-8582 |
| OUD | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OUE | Blue Cross and Blue Shield of Rhode Island [Rhode Island (RI)] | PPO | (800) 327-6712 | (800) 327-6712 |
| OUF | Regence BlueCross BlueShield of Oregon [Oregon (OR)] | PPO | (877) 276-5906 | (800) 862-3338 |
| OUG | Blue Cross and Blue Shield of Rhode Island [Rhode Island (RI)] | PPO | (800) 327-6712 | (800) 230-9050 |
| OUH | Empire NY BCBS - Anthem [New York (NY)] | PPO | (844) 235-4443 | (800) 764-3433 |
| OUI | Horizon Blue Cross and Blue Shield of New Jersey [New Jersey (NJ)] | PPO | (888) 340-1247 | (888) 340-1247 |
| OUJ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OUK | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OUL | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OUM | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OUN | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OUO | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OUP | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| OUQ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OUR | Horizon Blue Cross and Blue Shield of New Jersey [New Jersey (NJ)] | PPO | (888) 340-1247 | (800) 664-2583 |
| OUS | Highmark Blue Cross Blue Shield [Pennsylvania (PA)] | TBD | (800) 241-5704 | (844) 946-6263 |
| OUT | Horizon Blue Cross and Blue Shield of New Jersey [New Jersey (NJ)] | TRAD | (888) 340-1247 | (800) 664-2583 |
| OUU | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OUV | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OUW | Highmark BlueCross BlueShield West Virginia [New York (NY)] | PPO | (888) 809-9121 | (800) 452-8507 |
| OUX | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OUY | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OUZ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OVA | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (800) 518-1638 |
| OVB | CAREFIRST BLUECROSS BLUESHIELD - WASHINGTON, D.C. [New York (NY)] | TBD | (866) 773-2884 | (866) 773-2884 |
| OVC | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (800) 275-2583 | (800) 275-2583 |
| OVD | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OVE | Anthem Blue Cross CA [California (CA)] | TBD | (800) 677-6669 | (877) 526-3425 |
| OVF | CAREFIRST BLUECROSS BLUESHIELD - WASHINGTON, D.C. [New York (NY)] | TBD | (866) 773-2884 | (866) 773-2884 |
| OVG | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OVH | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (866) 528-1747 | (866) 528-1748 |
| OVI | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OVK | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | TBD | (833) 835-2714 | (833) 224-6935 |
| OVL | Highmark Blue Cross Blue Shield [New York (NY)] | PPO | (800) 950-0051 | (800) 950-0051 |
| OVM | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| OVN | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OVO | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OVP | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (877) 224-0030 | (877) 224-0030 |
| OVQ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OVR | CareFirst BlueCross BlueShield [Maryland (MD)] | PPO | (877) 889-2478 | (866) 742-9153 |
| OVS | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (866) 257-8567 |
| OVT | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (855) 869-8137 | (855) 869-8137 |
| OVU | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OVV | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OVW | Highmark BlueCross BlueShield West Virginia [New York (NY)] | PPO | (888) 601-2109 | (888) 601-2109 |
| OVX | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OVY | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OVZ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OWA | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| OWB | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | TRAD | (877) 228-7268 | (877) 228-7268 |
| OWC | Blue Cross and Blue Shield of Oklahoma - Blue Lincs HMO [Oklahoma (OK)] | PPO | (800) 942-5837 | (800) 452-6333 |
| OWD | CareFirst BlueCross BlueShield - DC and Maryland Sites [New York (NY)] | PPO | (877) 228-7268 | (877) 228-7268 |
| OWE | Blue Cross and Blue Shield of Florida [Florida (FL)] | PPO | (800) 727-2227 | (800) 955-5692 |
| OWF | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 774-3892 |
| OWG | Highmark Blue Cross Blue Shield [New York (NY)] | PPO | (888) 840-6322 | (800) 452-8507 |
| OWH | Anthem Blue Cross and Blue Shield - Connecticut [Georgia (GA)] | PPO | (844) 388-1431 | (844) 388-1431 |
| OWI | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (855) 804-2076 |
| OWJ | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | TRAD | (844) 679-8041 | (844) 679-8041 |
| OWK | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OWL | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OWM | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | TBD | (833) 639-1634 | (800) 282-1016 |
| OWN | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | TRAD | (833) 639-1634 | (800) 659-8543 |
| OWO | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OWP | Empire NY BCBS - Anthem [New York (NY)] | PPO | (844) 235-4443 | (844) 669-9064 |
| OWQ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OWR | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OWS | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (833) 592-9956 | (833) 592-9956 |
| OWT | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 835-2714 | (855) 343-4851 |
| OWU | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OWW | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (844) 679-8041 | (844) 679-8041 |
| OWX | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (833) 639-1634 | (855) 804-2076 |
| OWY | Anthem Blue Cross and BlueShield - Indiana [Indiana (IN)] | PPO | (833) 835-2714 | (866) 333-1098 |
| OWZ | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| OXA | Highmark Blue Cross Blue Shield [New York (NY)] | TRAD | (800) 950-0051 | (800) 950-0051 |
| OXB | Regence BlueCross BlueShield of Utah [Utah (UT)] | PPO | (866) 227-0913 | (800) 423-6884 |
| OXC | Premera Blue Cross of Washington and Alaska [WA/AK (WA/AK)] | TBD | (800) 722-1471 | (800) 722-1471 |
| OXD | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 274-7767 |
| OXE | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OXF | Anthem Blue Cross - California [California (CA)] | TBD | (800) 677-6669 | (800) 274-7767 |
| OXG | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OXH | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OXI | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OXJ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OXK | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OXL | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OXM | Premera Blue Cross - Seattle, WA [WA/AK (WA/AK)] | PPO | (800) 722-1471 | (866) 528-1747 |
| OXN | Regence BlueCross BlueShield of Utah [Utah (UT)] | PPO | (866) 227-0913 | (800) 423-6884 |
| OXO | Highmark Blue Cross Blue Shield [New York (NY)] | PPO | (800) 950-0051 | (800) 950-0051 |
| OXP | Anthem Blue Cross - California [California (CA)] | PPO | (800) 677-6669 | (800) 477-2226 |
| OXQ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OXR | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OXS | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OXT | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OXU | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OXV | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OXW | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OXX | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OXY | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OXZ | Comprehensive Care Services [Minnesota (MN)] | MED CARV | (888) 420-2227 | (866) 477-1587 |
| OYA | Wellmark of Iowa/South Dakota [Iowa (IA)] | PPO | (800) 362-2218 | (800) 552-3993 |
| OYB | BlueCross BlueShield of North Dakota [North Dakota (ND)] | TRAD | (800) 368-2312 | (800) 368-2312 |
| OYC | Horizon Blue Cross and Blue Shield of New Jersey [New Jersey (NJ)] | PPO | (888) 340-1247 | (888) 340-1247 |
| OYD | Blue Cross of Idaho Health Service - Boise [Idaho (ID)] | PPO | (866) 482-2250 | (800) 743-1871 |
| OYE | Wellmark BCBS of Iowa [Iowa (IA)] | TBD | (800) 362-2218 | (800) 774-3892 |
| OYF | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OYG | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OYH | Anthem Blue Cross and Blue Shield - Ohio [Ohio (OH)] | PPO | (888) 290-9160 | (888) 290-9160 |
| OYI | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OYJ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OYK | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OYL | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OYM | PA Independence Quality Care Company - IBC [Pennsylvania (PA)] | PPO | (844) 864-4352 | (844) 864-4352 |
| OYN | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OYO | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OYP | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | PPO | (833) 835-2714 | (855) 479-1595 |
| OYQ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OYR | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OYS | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OYT | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OYU | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OYV | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OYW | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OYX | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OYY | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OYZ | BlueCross BlueShield of Tennessee [Tennessee (TN)] | PPO | (866) 271-8426 | (877) 309-3448 |
| OZA | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | PPO | (833) 578-4436 | (866) 643-7087 |
| OZB | Anthem Blue Cross and Blue Shield - Wisconsin [Wisconsin (WI)] | PPO | (866) 456-0325 | (866) 456-0325 |
| OZC | Horizon Blue Cross and Blue Shield of New Jersey [New Jersey (NJ)] | PPO | (888) 340-1247 | (888) 340-1247 |
| OZD | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (855) 874-6862 | (855) 874-6862 |
| OZE | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OZF | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OZG | Blue Shield of California [California (CA)] | PPO | (800) 541-6652 | (800) 541-6652 |
| OZH | PA Capital Keystone Health Plan Central – CBC [Pennsylvania (PA)] | TBD | (877) 892-6298 | (800) 471-2242 |
| OZI | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OZJ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OZK | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | PPO | (833) 578-4436 | (833) 578-4436 |
| OZL | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OZM | Anthem Blue Cross and Blue Shield - Virginia [Virginia (VA)] | PPO | (844) 862-2904 | (844) 862-2904 |
| OZN | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OZO | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OZP | Anthem Blue Cross - California [California (CA)] | PPO | (800) 688-3828 | (800) 274-7767 |
| OZQ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OZR | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OZS | Highmark Blue Cross Blue Shield [New York (NY)] | TRAD | (888) 840-6322 | (800) 452-8507 |
| OZT | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OZU | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OZV | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OZW | Anthem Blue Cross and Blue Shield - Georgia [Georgia (GA)] | TBD | (833) 835-2714 | (833) 224-6935 |
| OZX | Anthem Blue Cross Blue Shield - Missouri [Missouri (MO)] | PPO | (833) 578-4436 | (877) 910-2410 |
| OZY | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
| OZZ | Blue Cross Blue Shield of Michigan [Michigan (MI)] | PPO | (888) 500-7898 | (888) 500-7898 |
O Prefix Summary
694 total prefixes starting with O. 180 assigned to Blue Cross Blue Shield of Michigan. 75 unique BCBS companies represented. 584 PPO plans, 0 HMO plans, 41 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 O2A?
Prefix O2A is assigned to Anthem Blue Cross - California. It is a PPO plan. For provider services, call (800) 677-6669. If you need pre-certification, call (800) 274-7767. Have your member ID and prefix ready before calling.
How Many BCBS Prefixes Start with O?
There are 694 active BCBS prefixes starting with O. The most common company on this page is Blue Cross Blue Shield of Michigan, which accounts for 180 prefixes. 84% of O-prefixes are PPO plans, 0 are HMO, and 41 are Traditional plans.
How Do I Know If My O-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 ONA?
Prefix ONA belongs to Anthem Blue Cross Blue Shield - Missouri. This is a PPO plan. The provider services phone number is (844) 256-9089. If your member ID starts with ONA, this is your home BCBS company for billing and claims purposes.
Can I Use My O-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.