NPPES file of Aug 9, 2026

Gregory James Davis, MD

Psychiatry Physician · Phoenix, AZ

Gregory James Davis, MD is a psychiatry physician with a practice address in Phoenix, Arizona, and NPI 1548207137, issued on Jun 1, 2006. Check the license (Arizona 19555, as entered in NPPES) on the Arizona Medical Board; 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
1548207137
Name
Gregory James Davis
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
19555 AZ
Self-reported in NPPES; status is on the state search
Practice location
650 E Indian School RD, Phoenix, AZ 85012
Phone
(602) 277-5551
Enumerated
Jun 1, 2006
Record last updated
Jul 13, 2026
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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8 nearest psychiatry physician records → All 942 in Arizona → Look up another NPI →

Also registered at 650 E Indian School RD

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

  1. Mehr Ahmed, MDPhysical Medicine & Rehabilitation Physician1245289883
  2. Matthew Ahuett, PHARM.D.Pharmacist1285741793
  3. Tywan AjaniClinical Social Worker1568151405
  4. Catherine Akbari, NPAdult Health Nurse Practitioner1013931633
  5. Anthony Albert, PHARMDAmbulatory Care Pharmacist1619320140
  6. Jesse Albin, BSN, RNMedical-Surgical Registered Nurse1144096801

Verify Gregory James Davis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 19555    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 Arizona 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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Gregory James Davis among 942 psychiatry physician records in Arizona

Gregory James Davis, MD is one of 942 psychiatry physician records with a practice address in Arizona. 67% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 61% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 41% of these records are
  • Record last updated2026 · 55% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Arizona

There are 942 psychiatry physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 942 in Arizona → Every provider in Phoenix → Psychiatry Physician nationwide →

The 8 psychiatry physician records with the nearest ZIP codes

  1. Clint Anthony, MDPhoenix, AZ 850121922111657
  2. Carlos Carrera, M.D.Phoenix, AZ 850121679579213
  3. John Costa, MDPhoenix, AZ 850121942305479
  4. Carlos Diaz, M.D.Phoenix, AZ 850121043287048
  5. Amelia Gallitano-Mendel, MD PHDPhoenix, AZ 850121093731218
  6. Thomas Gazda, M.D.Phoenix, AZ 850121730158189
  7. Ellen Gilman, M.D.Phoenix, AZ 850121922100619
  8. Lori Highberger, M.D.Phoenix, AZ 850121710914668

Common questions

What is Gregory James Davis, MD's NPI number?

Gregory James Davis, MD's National Provider Identifier (NPI) is 1548207137, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory James Davis, MD located?

The NPPES record lists a practice address at 650 E Indian School RD, Phoenix, AZ, 85012. Phone: (602) 277-5551. Providers update this record themselves, so call before visiting.

How can I verify Gregory James Davis, MD's license?

NPPES lists Arizona license number 19555, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.