- Aetna
- Americhoice
- Blue Cross of Maryland
- Blue Preferred
- CareFirst Blue Choice
- Capital Care
- CareFirst DC Indemnity
- CareFirst FEP
- CareFirst GHMSI
- CareFirst Out of State - Blue Card
- Community Hospice
- Embassies/Johns Hopkins International
- Global
- Global Excel
- Johns Hopkins EHP
- Johns Hopkins Priority Partners
- Johns Hopkins USFHP
- MAMSI-MDIPA, Optimum Choice, OneNet
- Maryland Physician's Care
- Medicaid
- Medicare
- Medstar Family Choice - Pediatric Patients
- MHIP
- NASCO
- PHN
- REM
- United Health Care
Others, as authorized.
