NPPES file of Aug 9, 2026

Melvin Walker Williams, M.D.

Internal Medicine Physician · Washington, DC

Melvin Walker Williams, M.D. is an internal medicine physician with a practice address in Washington, District of Columbia, and NPI 1275892366, issued on May 9, 2012. Check the license (District of Columbia MD9881, as entered in NPPES) on the District of Columbia Board of Medicine; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1275892366
Name
Melvin Walker Williams
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD9881 DC
Self-reported in NPPES; status is on the state search
Practice location
7075 Wyndale St NW, Washington, DC 20015
Phone
(202) 363-7226
Enumerated
May 9, 2012
Record last updated
May 9, 2012 (not updated in 14 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Melvin Walker Williams 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 MD9881
    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

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Melvin Walker Williams among 901 internal medicine physician records in District of Columbia

Melvin Walker Williams, 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 not. Its NPI, issued in 2012, is newer than 62% of them.

  • NPI issued2012 · 62% of these records are older, 33% newer
  • In a Medicare fileNo · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2012 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Collin Cullen, MDWashington, DC 200151689769523
  2. Barry Eisenstein, M.D.Washington, DC 200151285673285
  3. Saralyn Mark, MDWashington, DC 200151427364256
  4. Alan Morrison, D.O.Washington, DC 200151023108461
  5. Nicholas Polis, MDWashington, DC 200151447380779
  6. Jon Wiseman, M.D.Washington, DC 200151316932882
  7. Alexander Chester, M.D.Washington, DC 200161518989821
  8. John Dooley, MDWashington, DC 200161467431155

Common questions

What is Melvin Walker Williams, M.D.'s NPI number?

Melvin Walker Williams, M.D.'s National Provider Identifier (NPI) is 1275892366, issued on May 9, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Melvin Walker Williams, M.D. located?

The NPPES record lists a practice address at 7075 Wyndale St NW, Washington, DC, 20015. Phone: (202) 363-7226. Providers update this record themselves, so call before visiting.

How can I verify Melvin Walker Williams, M.D.'s license?

NPPES lists District of Columbia license number MD9881, 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. 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.