NPPES file of Aug 9, 2026

John William Gewin, M.D.

Psychiatry Physician · Huntsville, AL

John William Gewin, M.D. is a psychiatry physician with a practice address in Huntsville, Alabama, and NPI 1427180785, issued on Mar 12, 2007. Check the license (Alabama 26301, as entered in NPPES) on the Alabama Board of Medical Examiners; 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
1427180785
Name
John William Gewin
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
26301 AL
Self-reported in NPPES; status is on the state search
Practice location
500 Markaview RD NW, Huntsville, AL 35805
Phone
(256) 535-3100
Enumerated
Mar 12, 2007
Record last updated
Jan 25, 2017 (not updated in 9 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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Also registered at 500 Markaview RD NW

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Stephen Boyer, O.D.Optometrist1053424226
  2. Matthew Brannon, DPT, ATC, LATPhysical Therapist1588115216
  3. Adrian Brown, PHARMD, BCACPAmbulatory Care Pharmacist1598160665
  4. Mariah BugsSocial Worker1083287197
  5. Charlene Cole-Suttlar, M.D.Family Medicine Physician1558652479
  6. Heaven Colquiett, LMSWClinical Social Worker1760376750

Verify John William Gewin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersAlabama Board of Medical Examiners
    Search for license 26301
    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 Alabama license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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John William Gewin among 517 psychiatry physician records in Alabama

John William Gewin, M.D. is one of 517 psychiatry physician records with a practice address in Alabama. 69% 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 51% of them.

  • NPI issued2007 · 51% of these records are older, 38% newer
  • In a Medicare fileNo · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 46% of these records are
  • Record last updated2017 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Alabama

There are 517 psychiatry physician records in Alabama. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Charles Hayden, MDHuntsville, AL 358051386814606
  2. Edward Turpin, M.D.Huntsville, AL 358051225118847
  3. Daniel Laeupple, M.D.Huntsville, AL 358061669420865
  4. Sanjay Malhotra, M.D.Huntsville, AL 358061023292596
  5. Heath Penland, M.D.Huntsville, AL 358061649293630
  6. Douglas Adams, MDHuntsville, AL 358021043291123
  7. Sofia Aeschlimann, MDHuntsville, AL 358021447255393
  8. Roza Cieszkowski, M.D.Huntsville, AL 358021316911506

Common questions

What is John William Gewin, M.D.'s NPI number?

John William Gewin, M.D.'s National Provider Identifier (NPI) is 1427180785, issued on Mar 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John William Gewin, M.D. located?

The NPPES record lists a practice address at 500 Markaview RD NW, Huntsville, AL, 35805. Phone: (256) 535-3100. Providers update this record themselves, so call before visiting.

How can I verify John William Gewin, M.D.'s license?

NPPES lists Alabama license number 26301, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. 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.