NPPES file of Aug 9, 2026

James Matthew Ryan, M.D.

Psychiatry Physician · Mesa, AZ

James Matthew Ryan, M.D. is a psychiatry physician with a practice address in Mesa, Arizona, and NPI 1518303403, issued on May 17, 2013. Check the license 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
1518303403
Name
James Matthew Ryan
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
A156356 CA
Self-reported in NPPES; status is on the state search
Practice location
1301 S Crismon RD, Mesa, AZ 85209
Phone
(623) 308-2472
Enumerated
May 17, 2013
Record last updated
Jan 27, 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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8 nearest psychiatry physician records → All 942 in Arizona → Look up another NPI →

Also registered at 1301 S Crismon RD

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

  1. Karam Abi Karam, DOStudent in an Organized Health Care Education/Training Program1396535217
  2. Rodrigo Alvarez, DOInternal Medicine Physician1336717321
  3. Colton Andersen, DOStudent in an Organized Health Care Education/Training Program1477246023
  4. Liza Anwar, D.OHospitalist Physician1891229266
  5. Trenton Baker, DOAnesthesiology Physician1710340153
  6. Michelle Baribault, DOSurgery Physician1336672807

Verify James Matthew Ryan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical BoardCheck 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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James Matthew Ryan among 942 psychiatry physician records in Arizona

James Matthew Ryan, M.D. 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 2013, is newer than 67% of them.

  • NPI issued2013 · 67% of these records are older, 30% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 41% of these records are
  • Record last updated2017 · 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 Mesa → Psychiatry Physician nationwide →

The 8 psychiatry physician records with the nearest ZIP codes

  1. Jose Agosto, M.D.Mesa, AZ 852101346323110
  2. Bridgette Balasko, M.D.Mesa, AZ 852101164621959
  3. Leonard McIntyre, M.D.Mesa, AZ 852101720158892
  4. Robert Zenner, M.D.Mesa, AZ 852101467445122
  5. Scott Greenman, D.O.Mesa, AZ 852121730613449
  6. Chandler Gunning, DOMesa, AZ 852061306980164
  7. Samuel Hutchinson, DOMesa, AZ 852121033630934
  8. Evan Weiden, MDMesa, AZ 852061154358836

Common questions

What is James Matthew Ryan, M.D.'s NPI number?

James Matthew Ryan, M.D.'s National Provider Identifier (NPI) is 1518303403, issued on May 17, 2013. An NPI identifies a provider in billing; it is not a license.

Where is James Matthew Ryan, M.D. located?

The NPPES record lists a practice address at 1301 S Crismon RD, Mesa, AZ, 85209. Phone: (623) 308-2472. Providers update this record themselves, so call before visiting.

How can I verify James Matthew Ryan, M.D.'s license?

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.