NPPES file of Aug 9, 2026

John Byron Gassaway, PSY.D.

Clinical Psychologist · Luke Afb, AZ

John Byron Gassaway, PSY.D. is a clinical psychologist with a practice address in Luke Afb, Arizona, and NPI 1699033506, issued on Apr 27, 2012. Check the license (Arizona 4259, as entered in NPPES) with the Arizona board that licenses this profession; 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
1699033506
Name
John Byron Gassaway
Credential
PSY.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License numbers
4259 AZ
PSY-004259 AZ
Self-reported in NPPES; status is on the state search
Practice location
7219 N Litchfield RD, Luke Afb, AZ 85309
Phone
(602) 989-0982
Enumerated
Apr 27, 2012
Record last updated
Oct 29, 2025
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 7219 N Litchfield RD

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

  1. Hyman AbramchickPharmacist1467410944
  2. Todd Alan, MDFamily Medicine Physician1083620090
  3. Jeffrey Andrus, DDSGeneral Practice Dentistry1104893049
  4. Joanne Balintona, MDMilitary Health Care Provider1154422384
  5. Mary Ballogg, PHARM DPharmacist1699768390
  6. Sandra Bass, FNP-BCFamily Nurse Practitioner1922581909

Verify John Byron Gassaway in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license 4259
    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
Find the Arizona license search

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5 clinical psychologist records list a practice address in Luke Afb

They are 5 of the 98 NPPES records with a practice address in Luke Afb, and 841 clinical psychologist records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical psychologist records in Arizona

  1. Kristin Abbate, PSYDScottsdale, AZ1053728584
  2. Patricia Abbott, PSY.D.Tempe, AZ1881688539
  3. Robert Abel, PH.D.Mesa, AZ1912119579
  4. Heather Abrahimi, PSYDScottsdale, AZ1790700656
  5. Azita Abtin, PSY.D.Tucson, AZ1508823766
  6. Monica Acevedo Molina, PHDPhoenix, AZ1659263945
  7. Suzana Adams, PSY.D.Phoenix, AZ1639465230
  8. Afroza AhmedPhoenix, AZ1104284595
  9. Imecca Akpa, PSY.D.Glendale, AZ1699306431
  10. Caitlyn Albano, PSYDPhoenix, AZ1962386631

Common questions

What is John Byron Gassaway, PSY.D.'s NPI number?

John Byron Gassaway, PSY.D.'s National Provider Identifier (NPI) is 1699033506, issued on Apr 27, 2012. An NPI identifies a provider in billing; it is not a license.

Where is John Byron Gassaway, PSY.D. located?

The NPPES record lists a practice address at 7219 N Litchfield RD, Luke Afb, AZ, 85309. Phone: (602) 989-0982. Providers update this record themselves, so call before visiting.

How can I verify John Byron Gassaway, PSY.D.'s license?

NPPES lists Arizona license number 4259, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

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.