NPPES file of Aug 9, 2026

James G. Belitsos, MD

Internal Medicine Physician · Tucson, AZ

James G. Belitsos, MD is an internal medicine physician with a practice address in Tucson, Arizona, and NPI 1942217914, issued on Aug 2, 2006. Check the license (Arizona 12140, 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
1942217914
Name
James G. Belitsos
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
12140 AZ
Self-reported in NPPES; status is on the state search
Practice location
1701 W Saint Marys RD, Tucson, AZ 85745
Phone
(520) 792-1348
Enumerated
Aug 2, 2006
Record last updated
Feb 4, 2025
Fax
(520) 620-0603
Medicare enrollment
Enrolled (PECOS I20241121003382); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 1976
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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Also registered at 1701 W Saint Marys RD

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

  1. Anthony Arnold, M.D.Orthopaedic Surgery Physician1427027705
  2. John CarruthersCounselor1477789550
  3. Carol Cox, MDGeriatric Medicine (Internal Medicine) Physician1851301949
  4. Norma Fernandez, LISACAddiction (Substance Use Disorder) Counselor1518186618
  5. Norma GrijalvaMental Health Counselor1962691295
  6. Violet Juodakis, MDFamily Medicine Physician1407880651

Verify James G. Belitsos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 12140
    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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89% fewer Medicare Part D claims than the average internal medicine physician in 2024

335 Medicare Part D claims for 89 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 12 claims were for opioids.

  1. James Belitsos335
  2. Specialty average3,176

Most prescribed

  1. Eliquis29 claims
  2. Metoprolol Succinate23 claims
  3. Furosemide20 claims
  4. Pantoprazole Sodium19 claims
  5. Atorvastatin Calcium18 claims
  6. Clopidogrel18 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 2 group practices

  1. South Sound Inpatient Physicians PLLCSpringfield, OR
  2. Tucson Physician Group Holdings LLCTucson, AZ

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

James G. Belitsos among 2,853 internal medicine physician records in Arizona

James G. Belitsos, MD is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% 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 13% of them.

  • NPI issued2006 · 13% of these records are older, 55% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1976 · median 2003 among the 1,643 with a school on file
  • Record last updated2025 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

651 internal medicine physician records list a practice address in Tucson

They are 651 of the 18,788 NPPES records with a practice address in Tucson, and 2,853 internal medicine physician records in Arizona.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Gonzalo Celis, M.D.Tucson, AZ 857451366425886
  2. Rebecca Dawson, MDTucson, AZ 857451114066131
  3. Nicola Finley, MDTucson, AZ 857451003898180
  4. Armando Gonzalez, MDTucson, AZ 857451003827692
  5. Gabrielle Ochoa, MDTucson, AZ 857451023096674
  6. Stanley Ofori, MDTucson, AZ 857451093793648
  7. Maria Pina, MDTucson, AZ 857451518934074
  8. Hassan Shafeeq, M.D.Tucson, AZ 857451154378164

Common questions

What is James G. Belitsos, MD's NPI number?

James G. Belitsos, MD's National Provider Identifier (NPI) is 1942217914, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James G. Belitsos, MD located?

The NPPES record lists a practice address at 1701 W Saint Marys RD, Tucson, AZ, 85745. Phone: (520) 792-1348. Providers update this record themselves, so call before visiting.

How can I verify James G. Belitsos, MD's license?

NPPES lists Arizona license number 12140, 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.

How much does James G. Belitsos, MD prescribe under Medicare Part D?

In 2024, James G. Belitsos, MD had 335 Medicare Part D claims for 89 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.