NPPES file of Aug 9, 2026

James Patrick Dinning, M.D.

Gastroenterology Physician · Tucson, AZ

James Patrick Dinning, M.D. is a gastroenterology physician with a practice address in Tucson, Arizona, and NPI 1821074782, issued on Dec 21, 2005. Check the license (Arizona 21288, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821074782
Name
James Patrick Dinning
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
21288 AZ
Self-reported in NPPES; status is on the state search
Practice location
7566 N LA Cholla Blvd, Tucson, AZ 85741
Phone
(520) 742-4139
Enumerated
Dec 21, 2005
Record last updated
Jul 13, 2026
Fax
(520) 742-9618
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 gastroenterology physician records → All 403 in Arizona → Look up another NPI →

Also registered at 7566 N LA Cholla Blvd

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

  1. Scott Blinkoff, M.D.Gastroenterology Physician1699751545
  2. Bryan Contreras, M.D.Gastroenterology Physician1578549457
  3. Anne Elliott, PAPhysician Assistant1003864141
  4. Frederick Klein, M.D.Gastroenterology Physician1962487876
  5. Gary Monash, M.D.Gastroenterology Physician1891771846
  6. Kathleen Piotrowski, APRN-CRNACertified Registered Nurse Anesthetist1831141951

Verify James Patrick Dinning in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 21288    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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Industry payments in 2024: $106.87

1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Dinning$106.87
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

James Patrick Dinning among 403 gastroenterology physician records in Arizona

James Patrick Dinning, M.D. is one of 403 gastroenterology physician records with a practice address in Arizona. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 83% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 73% of these records are
  • Record last updated2026 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Arizona

There are 403 gastroenterology physician records in Arizona.

All 403 in Arizona → Every provider in Tucson → Gastroenterology Physician nationwide →

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Larissa Allen, M.D.Tucson, AZ 857411659536480
  2. Scott Blinkoff, M.D.Tucson, AZ 857411699751545
  3. Bryan Contreras, M.D.Tucson, AZ 857411578549457
  4. Romeo Esquivel, MDTucson, AZ 857411790758662
  5. Frederick Klein, M.D.Tucson, AZ 857411962487876
  6. Gary Monash, M.D.Tucson, AZ 857411891771846
  7. Leon Tsai, M.D.Tucson, AZ 857411912983883
  8. Kristen Barrett, MDTucson, AZ 857451538455704

Common questions

What is James Patrick Dinning, M.D.'s NPI number?

James Patrick Dinning, M.D.'s National Provider Identifier (NPI) is 1821074782, issued on Dec 21, 2005. An NPI identifies a provider in billing; it is not a license.

Where is James Patrick Dinning, M.D. located?

The NPPES record lists a practice address at 7566 N LA Cholla Blvd, Tucson, AZ, 85741. Phone: (520) 742-4139. Providers update this record themselves, so call before visiting.

How can I verify James Patrick Dinning, M.D.'s license?

NPPES lists Arizona license number 21288, 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.