NPPES file of Aug 9, 2026

William Peterson, M.D.

Neurology Physician · Washington, DC

William Peterson, M.D. is a neurology physician with a practice address in Washington, District of Columbia, and NPI 1144419227, issued on Oct 15, 2007. Check the license (District of Columbia MD12471, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144419227
Name
William Peterson
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License number
MD12471 DC
Self-reported in NPPES; status is on the state search
Practice location
1140 Varnum St NE, Washington, DC 20017
Phone
(202) 526-2509
Enumerated
Oct 15, 2007
Record last updated
Dec 10, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(202) 529-7215
Medicare enrollment
Enrolled (PECOS I20041122000041); accepts Medicare assignment
Medical or professional school
Hahnemann University College Of Medicine, 1975
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1140 Varnum St NE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mowaffak Alhamad, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1447236633
  2. Nana Asamoah-Mensah, M.D.Neurology Physician1023103587
  3. Kenneth Austin, MDInternal Medicine Physician1093715005
  4. Pedro Ceppa, MDSurgery Physician1184619579
  5. Duan Drakes, MDSpecialist1487727434
  6. Anastasia Gyftopoulos, MDCardiovascular Disease Physician1780672022

Verify William Peterson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
    Search for license MD12471    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the District of Columbia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. 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).

Neurology Physician providers in District of Columbia

There are 137 neurology physician records in District of Columbia.

All 137 in District of Columbia → Every provider in Washington →

Other neurology physician records in District of Columbia

  1. Alice Adams, MDWashington, DC1265547756
  2. Ayesha Ahmad, M.D.Washington, DC1700273786
  3. Jessica Ailani, MDWashington, DC1073703096
  4. Rami Al-Hader, MDWashington, DC1346700341
  5. Sawsan Alabbad, MDWashington, DC1033604749
  6. Mohamed Ali-EltomWashington, DC1710146709
  7. Saeed Alqahtani, MDWashington, DC1821360835
  8. Fahd Amjad, MDWashington, DC1477703312
  9. Faria Amjad, MDWashington, DC1518285204
  10. Frank Anderson, M.D.Washington, DC1760518815

Common questions

What is William Peterson, M.D.'s NPI number?

William Peterson, M.D.'s National Provider Identifier (NPI) is 1144419227, issued on Oct 15, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William Peterson, M.D. located?

The NPPES record lists a practice address at 1140 Varnum St NE, Washington, DC, 20017. Phone: (202) 526-2509. Providers update this record themselves, so call before visiting.

How can I verify William Peterson, M.D.'s license?

NPPES lists District of Columbia license number MD12471, as entered by the provider. 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.