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Carefirst BlueCross BlueShield Large Employer Groups Member Services Telephone Numbers
Please search the list below to find out if your company has a dedicated Member Services telephone number. Click here if you are looking for individual account information. Click here if your employer is not listed on this page.
Customer Service:
Mon.- Fri.: 7 a.m. - 7 p.m. (Eastern Time)
Sat.: 9 a.m. - 2 p.m. (Eastern Time)
| Company Name |
Toll Free Number |
Local Number |
| AAAS (HMO only) |
(800) 628-8544 |
|
| AEGON USA, LLC |
(800) 628-8549 |
|
| Aerotek/Allegis |
(877) 269-1990 |
|
| Aether |
(877) 691-5856 |
|
| American Bankers Association |
(877) 691-5856 |
|
| American Nurses Association (HMO) |
(866) 520-6099 |
|
| American Nurses Association (PPO) |
(800) 321-3497 |
|
| American University |
(800) 296-0724 |
|
| Amerix |
(877) 691-5856 |
|
| Anne Arundel County Public Schools (Blue Choice and Blue ChoiceTriple Option) |
(800) 296-0724 |
|
| Anne Arundel County Public Schools (Dental Only) |
(866) 891-2802 |
|
| Anne Arundel County Public Schools (PPN, Traditional and Vision) |
(800) 722-2459 |
|
| Arbitron, Inc. |
(877) 691-5856 |
|
| Archdiocese of Baltimore |
(888) 366-4419 |
(410) 654-9230 |
| Arguss |
(800) 628-8544 |
|
| Arlington County Government |
(800) 296-0724 |
|
| Arlington Public Schools |
(800) 296-0724 |
|
| Asbury Services, Inc. |
(877) 691-5856 |
|
| AstraZeneca |
(877) 691-5856 |
|
| AvalonBay |
(800) 788-5756 |
|
| Aviation Management |
(877) 691-5856 |
|
| Company Name |
Toll Free Number |
Local Number |
| Baltimore City Public Schools |
(800) 648-5285 |
(410) 581-3506 |
| Baltimore County Board of Education |
(800) 525-5392 |
(410) 581-3625 |
| Baltimore County Community Colleges |
(800) 342-4157 |
(410) 581-3528 |
| Baltimore County Government |
(800) 342-4157 |
(410) 581-3528 |
| Barcelo Crestline Corporation |
(877) 691-5856 |
|
| Beiderlack |
(800) 628-8548 |
|
| Bethlehem Steel |
(800) 628-8549 |
|
| Blue Cross and Blue Shield Association |
(866) 520-6099 |
|
| BioWhitaker |
(877) 691-5856 |
|
| Company Name |
Toll Free Number |
Local Number |
| Caremark (formerly known as AdvancePCS) |
(877) 691-5856 |
|
| CBS |
(800) 628-8548 |
|
| Charles County Government |
(800) 872-5310 |
(410) 581-3510 |
| Chesapeake Publishing |
(800) 628-8544 |
|
| Chevy Chase Bank |
(800) 296-0724 |
|
| Choice Hotels |
(800) 296-0724 |
|
| Chrysler |
(800) 492-4209 |
|
| City of Baltimore |
(800) 535-2292 |
(410) 581-3508 |
| Columbia National |
(800) 628-8544 |
|
| Communication Workers of America |
(800) 788-5756 |
|
| Connective |
(800) 628-8548 |
|
| Constellation Energy Group |
(866) 585-6604 |
|
| COSI |
(800) 628-8548 |
|
| Company Name |
Toll Free Number |
Local Number |
| Deloitte and Touche |
(877) 691-5856 |
|
| Dental Co. |
(877) 691-5856 |
|
| Diamond Comics |
(800) 628-8548 |
|
| Dimensions |
(800) 321-3497 |
|
| Diocese of Washington |
(866) 520-6099 |
|
| Dunbar Armored |
(800) 628-8549 |
|
| Duron |
(877) 691-5856 |
|
| Dynamic Concepts (HMO) |
(866) 520-6099 |
|
| Dynamic Concepts (PPO) |
(800) 321-3497 |
|
| Company Name |
Toll Free Number |
Local Number |
| EA Engineering |
(877) 691-5856 |
|
| Educators Benefits Services |
(800) 628-8548 |
|
| EVAPCO |
(877) 691-5856 |
|
| Company Name |
Toll Free Number |
Local Number |
| Fairfax County Government |
(800) 296-0724 |
|
| Fairfax County Schools |
(800) 296-0724 |
|
| Federal Armored Express |
(800) 628-8544 |
|
| Floors, Inc. |
(877) 691-5856 |
|
| Forest City Enterprises |
(800) 321-3497 |
|
| Foundation for Advanced Education in the Sciences (FAES) |
(800) 321-3497 |
|
| Company Name |
Toll Free Number |
Local Number |
| GEICO |
(877) 691-5856 |
|
| General Motors |
(800) 492-4209 |
|
| George Washington University |
(866) 520-6099 |
|
| Georgetown University (Dental Only) |
(800) 203-4523 |
|
| Georgetown University (POS) |
(800) 296-0724 |
|
| Giant Food |
(800) 788-5756 |
|
| GHMSI (HMO/Retirees) |
(866) 520-6099 |
|
| Greenhorne & O'Mara |
(877) 691-5856 |
|
| Grove Worldwide |
(800) 628-8544 |
|
| GTS/Duratek |
(877) 691-5856 |
|
| Company Name |
Toll Free Number |
Local Number |
| H & S Bakery |
(800) 628-8548 |
|
| Hechingers |
(877) 691-5856 |
|
| Henry M. Jackson (HMO) |
(866) 520-6099 |
|
| Henry M. Jackson (PPO) |
(800) 321-3497 |
|
| Holland and Knight |
(800) 628-8544 |
|
| Homewood Retirement |
(800) 628-8548 |
|
| Howard University Hospital (POS & HMO) |
(800) 296-0724 |
|
| Howard University Hospital (PPO) |
(800) 296-0724 |
|
| Company Name |
Toll Free Number |
Local Number |
| ICF Kaiser |
(800) 321-3497 |
|
| INOVA Health Systems |
(866) 520-6099 |
|
| Intelsat |
(800) 296-0724 |
|
| International Union of Painters and Allied Trades (formerly IBPAT) |
(800) 321-3497 |
|
| Italian Government |
(800) 321-3497 |
|
| Company Name |
Toll Free Number |
Local Number |
| Joseph A. Banks |
(877) 691-5856 |
|
| Company Name |
Toll Free Number |
Local Number |
|
Keller Foundations, Inc.
|
(800) 628-8549 |
|
| Kiplinger (HMO Only) |
(866) 520-6099 |
|
| Kiplinger (Indemnity/PPO) |
(800) 321-3497 |
|
| Company Name |
Toll Free Number |
Local Number |
| LB & B |
(877) 691-5856 |
|
| Legg Mason & Company, LLC |
(800) 628-8549 |
|
| LGIT |
(800) 628-8548 |
|
Locke Insulators/Polymer
|
(877) 691-5856 |
|
| Company Name |
Toll Free Number |
Local Number |
| Maryland Educators Benefits |
(800) 628-8548 |
|
| Maryland Independent Schools |
(800) 628-8548 |
|
| Maryland National Capital Parks and Planning Commission |
(888) 417-8385 |
|
| Medstar (formerly Medlantic) |
(800) 296-0724 |
|
| Miles and Stockbridge |
(800) 628-8548 |
|
| Millenium Inorganic Chemicals |
(877) 691-5856 |
|
| Montgomery County Government |
(888) 417-8385 |
|
| Montgomery County Public Schools |
(888) 417-8385 |
|
| MunieMae |
(877) 691-5856 |
|
| Company Name |
Toll Free Number |
Local Number |
| National Academy of Science |
(800) 296-0724 |
|
| National Geographic Society |
(800) 296-0724 |
|
| Northrup Grumman |
(877) 691-5856 |
|
| Company Name |
Toll Free Number |
Local Number |
| Organization of American States (OAS) |
(800) 296-0724 |
|
| Company Name |
Toll Free Number |
Local Number |
| Pan American Health Organization (PAHO) |
(800) 296-0724 |
|
| Piedmont Hawthorne |
(877) 691-5856 |
|
| Piper and Marbury |
(800) 628-8548 |
|
| Preferred Care |
(877) 691-5856 |
|
| Price Brothers |
(877) 691-5856 |
|
| Prime Retail |
(877) 691-5856 |
|
| Prince George Community College |
(800) 321-3497 |
|
| Prince George Community College (HMO Only) |
(866) 520-6099 |
|
| Prince George County School Board |
(800) 296-0724 |
|
| Proctor & Gamble (NOXELL) |
(800) 628-8548 |
|
| Providence Hospital |
(800) 321-3497 |
|
| Provident Bank |
(800) 628-8544 |
|
| Psudo Control Groups |
(800) 628-8548 |
|
| Publishers Circulation Fulfillment |
(877) 691-5856 |
|
| Company Name |
Toll Free Number |
Local Number |
| Quality Care (University of Maryland) |
888) 567-6280 |
(443) 394-7331 |
| Company Name |
Toll Free Number |
Local Number |
| Railworks |
(877) 691-5856 |
|
| Redland Brick |
(877) 691-5856 |
|
| Rouse |
(800) 628-8548 |
|
| RWD Technologies |
(800) 628-8549 |
|
| Ryland |
(800) 628-8548 |
|
| Company Name |
Toll Free Number |
Local Number |
| SAMBA |
(800) 788-5756 |
|
| Schmidt Baking Co. |
(800) 628-8544 |
|
| Secret Service |
(800) 296-0724 |
|
| SFA |
(800) 628-8548 |
|
| Sheet Metal Workers |
(800) 321-3497 |
|
| Sibley Memorial Hospital |
(800) 296-0724 |
|
| Sierra Military |
(877) 691-5856 |
|
| Smith Group, Inc. |
(800) 628-8544 |
|
| State of Maryland (HMO) |
(800) 445-6036 |
(410) 654-8675 |
| State of Maryland (POS) |
(800) 203-2763 |
(410) 581-0021 |
| State of Maryland (PPO) |
(800) 225-0131 |
(410) 581-3601 |
| Supervalu |
(800) 628-8548 |
|
| Sylvan Learning Systems |
(800) 628-8548 |
|
| Company Name |
Toll Free Number |
Local Number |
| T Rowe Price |
(800) 628-8549 |
|
| TeleCorp PCS |
(877) 591-5856 |
|
| Tessco |
(800) 628-8548 |
|
| Transit Employees Health & Welfare Fund (Metro) |
(800) 321-3497 |
|
| Tri State Electrical Supply |
(877) 691-5856 |
|
| Company Name |
Toll Free Number |
Local Number |
| United Way |
(800) 628-8544 |
|
| University of Md. Baltimore (students only) |
(800) 628-8549 |
|
| US Foodservice |
(866) 785-7662 |
|
| US Internetworking |
(877) 691-5856 |
|
| Company Name |
Toll Free Number |
Local Number |
| Verner, Lipfert (HMO Only) |
(866) 520-6099 |
|
| Verner, Lipfert (PPO) |
(800) 321-3497 |
|
| Vertis |
(800) 628-8548 |
|
| VSI |
(800) 628-8544 |
|
| Company Name |
Toll Free Number |
Local Number |
| Washington Sports and Entertainment |
(800) 296-0740 |
|
| Westinghouse and Northrup Grumman |
(800) 545-6199 |
|
| Westvaco |
(800) 628-8544 |
|
| Whiting Turner |
(800) 628-8544 |
|
| Wilmer, Cutler, Pickering (HMO Only) |
(866) 520-6099 |
|
| Wilmer, Cutler, Pickering (PPO) |
(800) 321-3497 |
|
| WMAA |
(800) 321-3497 |
|
| World Duty Free America |
(877) 691-5856 |
|
| WSSC |
(866) 520-6099 |
|
| Company Name |
Toll Free Number |
Local Number |
| Yorkshire Global Restaurants |
(877) 691-5856 |
|
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