Daphne Gellerson, M.D.
Internal Medicine Physician · Washington, DC
Daphne Gellerson, M.D. is an internal medicine physician with a practice address in Washington, District of Columbia, and NPI 1669834107, issued on Mar 23, 2016. Check the license on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Daphne Gellerson
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A162118 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1501 M St NW Ste 450, Washington, DC 20005
- Phone
- (202) 204-7092
- Enumerated
- Mar 23, 2016
- Record last updated
- Sep 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210928003262); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 901 in District of Columbia → Look up another NPI →
Also registered at 1501 M St NW Ste 450
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emilia Coll, FNP-CFamily Nurse Practitioner1255701272
- Allison Coulter, M.D.Family Medicine Physician1942640503
- John Curtin, P.A.Physician Assistant1255426680
- Ellen Dinerman Bin-Nun, M.DInternal Medicine Physician1477967958
- Ariel Frank, FNP-BC, MSN, R.N.Family Nurse Practitioner1710360755
- Esosa ImasuenInternal Medicine Physician1972038354
Verify Daphne Gellerson 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
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
115 Medicare Part D claims for 37 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Atorvastatin Calcium13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- One Medstar Primary Care LLCWashington, DC
- Suburban/nrh Medical Rehabilitation IncBethesda, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daphne Gellerson among 901 internal medicine physician records in District of Columbia
Daphne Gellerson, M.D. is one of 901 internal medicine physician records with a practice address in District of Columbia. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 77% of them.
- NPI issued2016 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2016 · median 2008 among the 513 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X 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).
891 internal medicine physician records list a practice address in Washington
They are 891 of the 45,857 NPPES records with a practice address in Washington, and 901 internal medicine physician records in District of Columbia.
All 901 in District of Columbia → Every provider in Washington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Charlene Brown, MD, MPHWashington, DC 200051316104284
- Ellen Dinerman Bin-Nun, M.DWashington, DC 200051477967958
- Esosa ImasuenWashington, DC 200051972038354
- Andrew Lee, D.O.Washington, DC 200051972591550
- Richard McClendonWashington, DC 200051467574038
- Maximilian Oshalim, M.D.Washington, DC 200051407932015
- John Snyder, MD, MS, MPH (FACP)Washington, DC 200051801887278
- Donald Stout, M.D.Washington, DC 200051740249309
Common questions
What is Daphne Gellerson, M.D.'s NPI number?
Daphne Gellerson, M.D.'s National Provider Identifier (NPI) is 1669834107, issued on Mar 23, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Daphne Gellerson, M.D. located?
The NPPES record lists a practice address at 1501 M St NW Ste 450, Washington, DC, 20005. Phone: (202) 204-7092. Providers update this record themselves, so call before visiting.
How can I verify Daphne Gellerson, 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.
How much does Daphne Gellerson, M.D. prescribe under Medicare Part D?
In 2024, Daphne Gellerson, M.D. had 115 Medicare Part D claims for 37 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.