NPPES file of Aug 9, 2026

John T. James, D.O.

Diagnostic Radiology Physician · Phoenix, AZ

John T. James, D.O. is a diagnostic radiology physician with a practice address in Phoenix, Arizona, and NPI 1255303962, issued on Feb 6, 2006. Check the license (Arizona 2290, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255303962
Name
John T. James
Credential
D.O.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
2290 AZ
Self-reported in NPPES; status is on the state search
Practice location
19829 N 27TH Ave, Phoenix, AZ 85027
Phone
(623) 978-5720
Enumerated
Feb 6, 2006
Record last updated
Apr 26, 2024
Medicaid ID
285636 AZ
Medicare enrollment
Enrolled (PECOS I20060425000523); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest diagnostic radiology physician records → All 869 in Arizona → Look up another NPI →

Also registered at 19829 N 27TH Ave

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

  1. Anam Abbasi, MDHospitalist Physician1568990695
  2. John Alvey, DOEmergency Medicine Physician1588775746
  3. Carlos Anaya, MDAnesthesiology Physician1750460457
  4. Marium Asad, M.D.Internal Medicine Physician1518458157
  5. Marjan Ashtiani, FNPPrimary Care Nurse Practitioner1174144885
  6. Christian Atkinson, PHARMDPharmacist1386362648

Verify John T. James in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 2290    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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Bills Medicare through one group practice

  1. East Valley Radiology Associates PLLCPhoenix, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John T. James among 869 diagnostic radiology physician records in Arizona

John T. James, D.O. is one of 869 diagnostic radiology physician records with a practice address in Arizona. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.

  • NPI issued2006 · 16% of these records are older, 49% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Record last updated2024 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Arizona

There are 869 diagnostic radiology physician records in Arizona.

All 869 in Arizona → Every provider in Phoenix → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. John Eelkema, M.D.Phoenix, AZ 850271598737595
  2. Eli Estabaya, M.D.Phoenix, AZ 850271033181045
  3. Gregory Fenzl, D.O.Phoenix, AZ 850271093787004
  4. James Gerace, M.D.Phoenix, AZ 850271932183191
  5. William Miller, MDPhoenix, AZ 850271780673731
  6. Jeffery Morissette, D.O.Phoenix, AZ 850271821060864
  7. Larry Plosker, D.O.Phoenix, AZ 850271982676946
  8. K Reid, MDPhoenix, AZ 850271942299086

Common questions

What is John T. James, D.O.'s NPI number?

John T. James, D.O.'s National Provider Identifier (NPI) is 1255303962, issued on Feb 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John T. James, D.O. located?

The NPPES record lists a practice address at 19829 N 27TH Ave, Phoenix, AZ, 85027. Phone: (623) 978-5720. Providers update this record themselves, so call before visiting.

How can I verify John T. James, D.O.'s license?

NPPES lists Arizona license number 2290, 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. Medicare files from data.cms.gov. 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.