NPPES file of Aug 9, 2026

Gregory P. Barclay, M.D.

Psychiatry Physician · Ames, IA

Gregory P. Barclay, M.D. is a psychiatry physician with a practice address in Ames, Iowa, and NPI 1801812938, issued on Jul 14, 2006. Check the license (Iowa 31216, as entered in NPPES) on the Iowa Board of Medicine; 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
1801812938
Name
Gregory P. Barclay
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
31216 IA
Self-reported in NPPES; status is on the state search
Practice location
1525 Airport RD, Ames, IA 50010
Phone
(515) 292-3023
Enumerated
Jul 14, 2006
Record last updated
Jul 16, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(515) 292-3053
Medicaid ID
1137018 IA
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 1525 Airport RD

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

  1. Alyson Pearson, LISWSocial Worker1891965182
  2. Elizabeth Wade, L.M.H.C.Mental Health Counselor1235462581

Verify Gregory P. Barclay in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 31216
    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 Iowa license search

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Psychiatry Physician providers in Iowa

There are 398 psychiatry physician records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other psychiatry physician records in Iowa

  1. Sandra Abramoff, M.D.Coralville, IA1952519993
  2. Nesrin Abu Ata, M.D.Sioux City, IA1528297660
  3. Brigid Adviento, MDIowa City, IA1265924849
  4. Mohammad Afridi, MDWaterloo, IA1417093071
  5. Alexandra Agostini, MDDes Moines, IA1619662103
  6. Paige Ahlsten, DOIowa City, IA1417895590
  7. Raja Akbar, MDWaterloo, IA1073547105
  8. Nadia Al-Guboori, MDIowa City, IA1225215601
  9. Aya Al-Kailani, MDDes Moines, IA1316625932
  10. James Amos, MDIowa City, IA1972573921

Common questions

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

Gregory P. Barclay, M.D.'s National Provider Identifier (NPI) is 1801812938, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory P. Barclay, M.D. located?

The NPPES record lists a practice address at 1525 Airport RD, Ames, IA, 50010. Phone: (515) 292-3023. Providers update this record themselves, so call before visiting.

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

NPPES lists Iowa license number 31216, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. 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.