NPPES file of Aug 9, 2026

Gary John Keller, D.O.

Psychiatry Physician · Coralville, IA

Gary John Keller, D.O. is a psychiatry physician with a practice address in Coralville, Iowa, and NPI 1821170473, issued on Oct 20, 2006. Check the license (Iowa 3844, 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
1821170473
Name
Gary John Keller
Credential
D.O.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
3844 IA
Self-reported in NPPES; status is on the state search
Practice location
2700 Coral Ridge Ave, Coralville, IA 52241
Phone
(319) 626-4279
Enumerated
Oct 20, 2006
Record last updated
Jan 5, 2012 (not updated in 14 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 2700 Coral Ridge Ave

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

  1. Abraham Assad, M.D.Psychiatry Physician1124348263
  2. Christopher Caster, D.D.S.General Practice Dentistry1972524478
  3. Joel Kosinski, MDGeneral Practice Physician1265718431
  4. Ryan Lee, D.O.Psychiatry Physician1023202587
  5. Hannah Oliver, D.O.Psychiatry Physician1518348408
  6. Kyle Parks, PA-CPhysician Assistant1164494019

Verify Gary John Keller in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 3844
    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

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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Gary John Keller among 398 psychiatry physician records in Iowa

Gary John Keller, D.O. is one of 398 psychiatry physician records with a practice address in Iowa. 66% 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 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 60% newer
  • In a Medicare fileNo · 66% of these records are
  • In the CMS Doctors and Clinicians fileNo · 47% of these records are
  • Record last updated2012 · 53% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 psychiatry physician records list a practice address in Coralville

They are 11 of the 708 NPPES records with a practice address in Coralville, and 398 psychiatry physician records in Iowa. 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. Sandra Abramoff, M.D.Coralville, IA 522411952519993
  2. Abraham Assad, M.D.Coralville, IA 522411124348263
  3. Stacy Davids, MDCoralville, IA 522411891793758
  4. Josefina Hizon, MDCoralville, IA 522411356425540
  5. Ryan Lee, D.O.Coralville, IA 522411023202587
  6. Hannah Oliver, D.O.Coralville, IA 522411518348408
  7. Angelika Peiffer, M.D.Coralville, IA 522411679648588
  8. Bruce Sieleni, M.D.Coralville, IA 522411609217710

Common questions

What is Gary John Keller, D.O.'s NPI number?

Gary John Keller, D.O.'s National Provider Identifier (NPI) is 1821170473, issued on Oct 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gary John Keller, D.O. located?

The NPPES record lists a practice address at 2700 Coral Ridge Ave, Coralville, IA, 52241. Phone: (319) 626-4279. Providers update this record themselves, so call before visiting.

How can I verify Gary John Keller, D.O.'s license?

NPPES lists Iowa license number 3844, 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.