Ann Marian Cowgill, M.D.
Endocrinology, Diabetes & Metabolism Physician · Washington, DC
Ann Marian Cowgill, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Washington, District of Columbia, and NPI 1942417928, issued on May 17, 2007. 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
- Ann Marian Cowgill
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- D0055750 MD
Self-reported in NPPES; status is on the state search - Practice location
- 50 Irving St NW, Washington, DC 20422
- Phone
- (202) 745-8173
- Enumerated
- May 17, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 50 Irving St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lelisse AbateGerontology Nurse Practitioner1629523337
- Jibril Abdus-Samad, PHARM.D.Pharmacotherapy Pharmacist1386743243
- Maureen AbehAdult Psychiatric/Mental Health Registered Nurse1396519021
- Katie Abu-Saba, DDSStudent in an Organized Health Care Education/Training Program1447149539
- Khadega Abuelgasim Ahmed, M.DInternal Medicine Physician1801070297
- Vinielle Acha-Morfaw, RNEmergency Registered Nurse1568003796
Verify Ann Marian Cowgill 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
Endocrinology, Diabetes & Metabolism Physician providers in District of Columbia
There are 61 endocrinology, diabetes & metabolism physician records in District of Columbia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 61 in District of Columbia → Every provider in Washington →
Other endocrinology, diabetes & metabolism physician records in District of Columbia
- Hadeel Abdalla, MBBSWashington, DC1689105330
- Jamil Addas, M.D.Washington, DC1831401322
- Suzanne Adler, M.D.Washington, DC1164607057
- Neelam Baral, MBBSWashington, DC1649703927
- Julianna Barsony, M.D.Washington, DC1427297233
- Marc Blackman, M.D.Washington, DC1629281852
- Michael Bryan, M.D.Washington, DC1407909898
- Kenneth Burman, MDWashington, DC1790734630
- Rabia Cherqaoui, MDWashington, DC1639338015
- Joshua Cohen, MDWashington, DC1750340378
Common questions
What is Ann Marian Cowgill, M.D.'s NPI number?
Ann Marian Cowgill, M.D.'s National Provider Identifier (NPI) is 1942417928, issued on May 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ann Marian Cowgill, M.D. located?
The NPPES record lists a practice address at 50 Irving St NW, Washington, DC, 20422. Phone: (202) 745-8173. Providers update this record themselves, so call before visiting.
How can I verify Ann Marian Cowgill, M.D.'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.