Columbia Gateway
Conference Center
Medical Management Gateway
6731 Columbia Gateway
Columbia, MD 21046
Cumberland
National Accounts Service Company (NASCO)
10 Commerce Drive
Cumberland, MD 21502
301-759-1500
Fairfax
CareFirst Administrators
Suite 200
3060 Williams Drive
Fairfax, VA 22030
703-934-6200
Owings Mills
General Administrative Offices
10455 and 10453 Mill Run Circle
Owings Mills, MD 21117
Owings Mills
Red Run Service Center
10802 Red Run Boulevard
Owings Mills, MD 21117
Portals
FEP Operations Center
1280 Maryland Avenue, SW
Washington, D.C. 20024
202-203-2673
Reston
10780 Parkridge Boulevard, Suite 300
Reston, VA 20191
