John Gettys McCarthy, M.D., M.SC.
Gastroenterology Physician · Bethesda, MD
John Gettys McCarthy, M.D., M.SC. is a gastroenterology physician with a practice address in Bethesda, Maryland, and NPI 1508129677, issued on Jun 22, 2012. Check the license on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Gettys McCarthy
- Credential
- M.D., M.SC.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD-17464 HI
Self-reported in NPPES; status is on the state search - Practice location
- 8901 Wisconsin Ave, Bethesda, MD 20889
- Phone
- (301) 295-4000
- Enumerated
- Jun 22, 2012
- Record last updated
- Aug 28, 2023
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 505 in Maryland → Look up another NPI →
Also registered at 8901 Wisconsin Ave
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Verify John Gettys McCarthy 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
John Gettys McCarthy among 505 gastroenterology physician records in Maryland
John Gettys McCarthy, M.D., M.SC. is one of 505 gastroenterology physician records with a practice address in Maryland. 81% 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 78% of them.
- NPI issued2012 · 78% of these records are older, 19% newer
- In a Medicare fileNo · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2023 · 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 207RG0100X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Maryland
There are 505 gastroenterology physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 505 in Maryland → Every provider in Bethesda → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- John Bassett, M.D.Bethesda, MD 208891982684130
- Anita Bhushan, MDBethesda, MD 208891700089174
- Joseph Cheatham, M.D.Bethesda, MD 208891700948494
- Lawrence Goldkind, MDBethesda, MD 208891306917935
- Nicole Harrison, MDBethesda, MD 208891255625455
- James Kikendall, M.D.Bethesda, MD 208891639174972
- Jeffrey Laczek, M.D.Bethesda, MD 208891467437186
- Katharine Salyer, MDBethesda, MD 208891427341700
Common questions
What is John Gettys McCarthy, M.D., M.SC.'s NPI number?
John Gettys McCarthy, M.D., M.SC.'s National Provider Identifier (NPI) is 1508129677, issued on Jun 22, 2012. An NPI identifies a provider in billing; it is not a license.
Where is John Gettys McCarthy, M.D., M.SC. located?
The NPPES record lists a practice address at 8901 Wisconsin Ave, Bethesda, MD, 20889. Phone: (301) 295-4000. Providers update this record themselves, so call before visiting.
How can I verify John Gettys McCarthy, M.D., M.SC.'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. 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.