Maria Gema Decain, MD
Family Medicine Physician · Washington, DC
Maria Gema Decain, MD is a family medicine physician with a practice address in Washington, District of Columbia, and NPI 1609511641, issued on May 4, 2022. Check the license on the District of Columbia Board of Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Maria Gema Decain
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 25054 PR
Self-reported in NPPES; status is on the state search - Practice location
- 3800 Reservoir RD NW FL Phc7, Washington, DC 20007
- Phone
- (202) 256-7639
- Enumerated
- May 4, 2022
- Record last updated
- Jul 20, 2026
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 350 in District of Columbia → Look up another NPI →
Verify Maria Gema Decain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Maria Gema Decain among 350 family medicine physician records in District of Columbia
Maria Gema Decain, MD is one of 350 family medicine physician records with a practice address in District of Columbia. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2022, is newer than 95% of them.
- NPI issued2022 · 95% of these records are older, 1% newer
- In a Medicare fileNo · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 52% of these records are
- Record last updated2026 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in District of Columbia
There are 350 family medicine physician records in District of Columbia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 350 in District of Columbia → Every provider in Washington → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Elisa DeangelisWashington, DC 200071326030925
- Kathryn Degroat, MDWashington, DC 200071154826568
- Elise Yumi Jarris, MDWashington, DC 200071558520239
- Ranit Mishori, MD, MHSWashington, DC 200071144405523
- Joyce Tsang ChengWashington, DC 200071417949017
- James WelshWashington, DC 200071386636876
- Roscoe Adams, MDWashington, DC 200081205984382
- Shilpi Agarwal, M.D.Washington, DC 200061447556295
Common questions
What is Maria Gema Decain, MD's NPI number?
Maria Gema Decain, MD's National Provider Identifier (NPI) is 1609511641, issued on May 4, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Maria Gema Decain, MD located?
The NPPES record lists a practice address at 3800 Reservoir RD NW FL Phc7, Washington, DC, 20007. Phone: (202) 256-7639. Providers update this record themselves, so call before visiting.
How can I verify Maria Gema Decain, MD's license?
Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.