NPPES file of Aug 9, 2026

Gregory Thomas, M.D.

Specialist · Washington, DC

Gregory Thomas, M.D. is a specialist with a practice address in Washington, District of Columbia, and NPI 1679986376, issued on Jun 10, 2014. Check the license (District of Columbia 11991, as entered in NPPES) with the District of Columbia board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679986376
Name
Gregory Thomas
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
11991 DC
Self-reported in NPPES; status is on the state search
Practice location
2777 Unicorn LN NW, Washington, DC 20015
Phone
(202) 746-1457
Enumerated
Jun 10, 2014
Record last updated
Jun 10, 2014 (not updated in 12 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 Gregory Thomas 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 11991
    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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Industry payments in 2024: $42.36

2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Thomas$42.36
  2. Specialty average$4,760.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Gregory Thomas among 151 specialist records in District of Columbia

Gregory Thomas, 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. Its NPI, issued in 2014, is newer than 77% of them.

  • NPI issued2014 · 77% of these records are older, 20% newer
  • In a Medicare fileYes · 23% of these records are
  • In the CMS Doctors and Clinicians fileNo · 9% of these records are
  • Record last updated2014 · 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.

The 8 specialist records with the nearest ZIP codes

  1. Jeanette AldenWashington, DC 200151538372495
  2. Joseph Autry, M.D.Washington, DC 200151689670739
  3. Jane Brashares, LICSWWashington, DC 200151295959971
  4. Nancy Colletta, PH.D.Washington, DC 200151407027253
  5. Suzanne Griffin, M.D.Washington, DC 200151326196460
  6. Edwin Lieberman, M.D.Washington, DC 200151174517239
  7. Elizabeth O'Donoghue, MPTWashington, DC 200151568568038
  8. Kimberly Palombo, PHDWashington, DC 200151447094941

Common questions

What is Gregory Thomas, M.D.'s NPI number?

Gregory Thomas, M.D.'s National Provider Identifier (NPI) is 1679986376, issued on Jun 10, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Thomas, M.D. located?

The NPPES record lists a practice address at 2777 Unicorn LN NW, Washington, DC, 20015. Phone: (202) 746-1457. Providers update this record themselves, so call before visiting.

How can I verify Gregory Thomas, M.D.'s license?

NPPES lists District of Columbia license number 11991, 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. 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.