NPPES file of Aug 9, 2026

Austin Thomas Welsh, M.D.

Geriatric Medicine (Family Medicine) Physician · Tucson, AZ

Austin Thomas Welsh, M.D. is a geriatric medicine (family medicine) physician with a practice address in Tucson, Arizona, and NPI 1083678650, issued on Apr 12, 2006. Check the license (Arizona 64053, 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
1083678650
Name
Austin Thomas Welsh
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Family Medicine) Physician 207QG0300X
License numbers
64053 AZ
04-32664 KS
MD 12748 KS
Self-reported in NPPES; status is on the state search
Practice location
3902 E Grant RD, Tucson, AZ 85712
Phone
(520) 478-4801
Enumerated
Apr 12, 2006
Record last updated
Apr 17, 2025
Fax
(415) 252-7176
Medicare enrollment
Enrolled (PECOS I20210826002577); accepts Medicare assignment
Medical or professional school
Wright State University Boonshoft School Of Medicine, 1993
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 geriatric medicine (family medicine) physician records → All 41 in Arizona → Look up another NPI →

Also registered at 3902 E Grant RD

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

  1. Vickey Fisher, MSN, APN, FNP-BCFamily Nurse Practitioner1306976311
  2. Aditi Ghosh, M.D.Family Medicine Physician1255780276
  3. Audrey Gray, PA-CPhysician Assistant1083158067
  4. Colleen Gumm, NPGerontology Nurse Practitioner1568485951
  5. Michelle Johnson, LPCProfessional Counselor1811465784
  6. Rebecca Jones, FNP-BCFamily Nurse Practitioner1043900491

Verify Austin Thomas Welsh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 64053    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

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30% more Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024

6,797 Medicare Part D claims for 573 beneficiaries, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 163 claims were for opioids.

  1. Austin Welsh6,797
  2. Specialty average5,222

Most prescribed

  1. Rosuvastatin Calcium313 claims
  2. Levothyroxine Sodium264 claims
  3. Amlodipine Besylate237 claims
  4. Losartan Potassium236 claims
  5. Lisinopril235 claims
  6. Atorvastatin Calcium228 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 one group practice

  1. Iora Senior Health LLCTucson, AZ

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

Austin Thomas Welsh among 41 geriatric medicine (family medicine) physician records in Arizona

Austin Thomas Welsh, M.D. is one of 41 geriatric medicine (family medicine) physician records with a practice address in Arizona. 63% 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 17% of them.

  • NPI issued2006 · 17% of these records are older, 51% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileYes · 39% of these records are
  • Graduated1993 · median 1999 among the 16 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 207QG0300X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Family Medicine) Physician providers in Arizona

There are 41 geriatric medicine (family medicine) physician records in Arizona.

All 41 in Arizona → Every provider in Tucson → Geriatric Medicine (Family Medicine) Physician nationwide →

The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes

  1. Melvin Hector, MDTucson, AZ 857121952382640
  2. Evan Kligman, MD PCTucson, AZ 857121942233689
  3. David Massanari, MDTucson, AZ 857121003898388
  4. Fred Miller, MDTucson, AZ 857121124028220
  5. Frances Heaton, MDTucson, AZ 857181962483651
  6. Jaclyn Robinson, MDTucson, AZ 857181609302249
  7. Onna Lau, MDTucson, AZ 857191609372309
  8. Charles Lew, MDTucson, AZ 857231407353444

Common questions

What is Austin Thomas Welsh, M.D.'s NPI number?

Austin Thomas Welsh, M.D.'s National Provider Identifier (NPI) is 1083678650, issued on Apr 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Austin Thomas Welsh, M.D. located?

The NPPES record lists a practice address at 3902 E Grant RD, Tucson, AZ, 85712. Phone: (520) 478-4801. Providers update this record themselves, so call before visiting.

How can I verify Austin Thomas Welsh, M.D.'s license?

NPPES lists Arizona license number 64053, 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 Austin Thomas Welsh, M.D. prescribe under Medicare Part D?

In 2024, Austin Thomas Welsh, M.D. had 6,797 Medicare Part D claims for 573 beneficiaries; the average among geriatric medicine (family medicine) physician prescribers was 5,222. 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.

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.