Maria Gema Decain, MD
Individual provider Active NPI Family Medicine Physician · Washington, DC
NPI 1609511641 · NPPES record last updated Jul 20, 2026
Key facts
- NPI
- 1609511641
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Family Medicine Physician 207Q00000X
- License
- 25054 (PR)
- Practice address
- 3800 Reservoir Rd NW FL PHC7
Washington, DC 20007-2113 - Phone
- (202) 256-7639
- NPI assigned
- May 4, 2022
- Sex
- Female
- Sole proprietor
- No
Medicare participation
- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
- Medicare enrollment (NPD)
- No
- Credentials
- Doctor of Medicine
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | 25054 | PR | Yes |
Addresses
Primary practice location
3800 Reservoir Rd NW FL PHC7
Washington, DC 20007-2113
Mailing address
Medstar Georgetown University Hospital
3800 Reservoir Rd NW. Dept of Neurology
Washington, DC 20007
Phone (202) 444-1037
Other providers in Washington, DC
- Kidist Debrework
- Pedro Debrito
- James Debritz
- Tyler Hunter Debrow
- Sisay Debu
- Jessica Marie Decaire
- Khanh Tran Decareau
- Julia Pascale Decelleszwerneman
- Bien Jimenez Decena Jr.
- Ashleigh Dechow
All providers in Washington, DC · Family Medicine Physician in District of Columbia
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Jul 20, 2026. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.