NPPES file of Aug 9, 2026

Harold Johnson, M.D.

Specialist · Washington, DC

Harold Johnson, M.D. is a specialist with a practice address in Washington, District of Columbia, and NPI 1831314350, issued on Apr 17, 2007. Check the license (District of Columbia MD7218, as entered in NPPES) with the District of Columbia board that licenses this profession; 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
1831314350
Name
Harold Johnson
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
MD7218 DC
Self-reported in NPPES; status is on the state search
Practice location
3794 Martin Luther King JR Ave SE, Washington, DC 20032
Phone
(301) 773-3366
Enumerated
Apr 17, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
0421790 DC
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 Harold Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich District of Columbia board licenses this profession
    Search for license MD7218
    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
Find the District of Columbia license search

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Harold Johnson among 151 specialist records in District of Columbia

Harold Johnson, M.D. is one of 151 specialist records with a practice address in District of Columbia. 23% 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 2007, is newer than 42% of them.

  • NPI issued2007 · 42% of these records are older, 41% newer
  • In a Medicare fileNo · 23% of these records are
  • In the CMS Doctors and Clinicians fileNo · 9% of these records are
  • Record last updated2007 · 82% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X 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).

Specialist providers in District of Columbia

There are 151 specialist records in District of Columbia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 specialist records with the nearest ZIP codes

  1. Ladayta ArtisWashington, DC 200321477253359
  2. Sayeed Farooqui, M.D.Washington, DC 200321891782413
  3. John Stiller, M.D.Washington, DC 200321982830386
  4. Christy Webster, M SP. ED.Washington, DC 200321528440518
  5. Charles Abrams, M.D.Washington, DC 200361659458354
  6. Pedro Buarque De Macedo, M.DWashington, DC 200361063460251
  7. Ilene Buarque De Macedo, MDWashington, DC 200361932157146
  8. Andrew Engel, M.D.Washington, DC 200361194879445

Common questions

What is Harold Johnson, M.D.'s NPI number?

Harold Johnson, M.D.'s National Provider Identifier (NPI) is 1831314350, issued on Apr 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Harold Johnson, M.D. located?

The NPPES record lists a practice address at 3794 Martin Luther King JR Ave SE, Washington, DC, 20032. Phone: (301) 773-3366. Providers update this record themselves, so call before visiting.

How can I verify Harold Johnson, M.D.'s license?

NPPES lists District of Columbia license number MD7218, as entered by the provider. Search the District of Columbia board that licenses this profession; the NPPES record confirms identity 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. 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.