(For policies with effective dates on or after January 1, 2026)
CareFirst BlueChoice, Inc.
1501 S. Clinton Street
Baltimore, MD 21224
http://www.CareFirst.com
CareFirst of Maryland, Inc. (trading as CareFirst BlueCross BlueShield)
10455 Mill Run Circle
Owings Mills, MD 21117
http://www.CareFirst.com
Group Hospitalization and Medical Services, Inc. (trading as CareFirst BlueCross BlueShield)
840 First Street, NE
Washington, DC 20065
http://www.CareFirst.com
Kaiser Foundation Health Plan of the Mid-Atlantic States, Inc.
2101 East Jefferson Street
Rockville, MD 20852
301-486-6000
https://kp.kaiserpermanente.org/
MAMSI Life and Health Insurance Company
10175 Little Patuxent Parkway
Columbia, MD 21044
1-866-496-9226
http://www.myuhc.com
Optimum Choice, Inc.
10175 Little Patuxent Parkway
Columbia, MD 21044
1-866-496-9226
http://www.myuhc.com
UnitedHealthcare Insurance Company
10175 Little Patuxent Parkway
Columbia, MD 21044
1-866-496-9226
http://www.myuhc.com
UnitedHealthcare of the Mid-Atlantic, Inc.
10175 Little Patuxent Parkway
Columbia, MD 21044
1-866-496-9226
http://www.myuhc.com
