John Duggan
Surgery Physician · Bethesda, MD
John Duggan is a surgery physician with a practice address in Bethesda, Maryland, and NPI 1255821237, issued on May 15, 2018. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- John Duggan
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 0101268287 VA
Self-reported in NPPES; status is on the state search - Practice location
- General Surgery Residency Program, Walter Reed Nmmc, Bethesda, MD 20889
- Phone
- (301) 400-2185
- Enumerated
- May 15, 2018
- Record last updated
- Jul 5, 2024
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 672 in Maryland → Look up another NPI →
Verify John Duggan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $145.76
2 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John Duggan among 672 surgery physician records in Maryland
John Duggan is one of 672 surgery physician records with a practice address in Maryland. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 86% of them.
- NPI issued2018 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Maryland
There are 672 surgery physician records in Maryland.
All 672 in Maryland → Every provider in Bethesda → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Mark Bowyer, MDBethesda, MD 208891851382105
- Annesley Copeland, M.D.Bethesda, MD 208891194728576
- John Denobile, M.D.Bethesda, MD 208891720049539
- Eric Elster, MDBethesda, MD 208891285707232
- Roxolana Horbowyj, M.D.Bethesda, MD 208891912071606
- Ashley Humphries, MDBethesda, MD 208891376616136
- Kenneth Kelleher, M.D., FACSBethesda, MD 208891992766588
- William Liston, MDBethesda, MD 208891457327330
Common questions
What is John Duggan's NPI number?
John Duggan's National Provider Identifier (NPI) is 1255821237, issued on May 15, 2018. An NPI identifies a provider in billing; it is not a license.
Where is John Duggan located?
The NPPES record lists a practice address at General Surgery Residency Program, Walter Reed Nmmc, Bethesda, MD, 20889. Phone: (301) 400-2185. Providers update this record themselves, so call before visiting.
How can I verify John Duggan's license?
Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. 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.
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.