Group Hospitalization and Medical Services, Inc.
(doing business as CareFirst BlueCross BlueShield)
840 First Street, NE
Washington, DC 20065
202-479-8000
CareFirst of Maryland, Inc.
(doing business as CareFirst BlueCross BlueShield)
10455 Mill Run Circle
Owings Mills, Maryland 21117-5559
CareFirst BlueChoice, Inc.
840 First Street, NE
Washington, DC 20065
202-479-8000
