Justin T. Dunn, MD
Rheumatology Physician · Tucson, AZ
Justin T. Dunn, MD is a rheumatology physician with a practice address in Tucson, Arizona, and NPI 1760945687, issued on Apr 8, 2019. Check the license (Arizona 77242, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Justin T. Dunn
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 77242 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2800 E Ajo Way, Tucson, AZ 85713
- Phone
- (520) 874-2778
- Enumerated
- Apr 8, 2019
- Record last updated
- Nov 24, 2025
- Medicare enrollment
- Enrolled (PECOS I20250814004566); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 117 in Arizona → Look up another NPI →
Also registered at 2800 E Ajo Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Justin T. Dunn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 77242Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average rheumatology physician in 2024
256 Medicare Part D claims for 43 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Hydroxychloroquine Sulfate45 claims
- Prednisone44 claims
- Methotrexate38 claims
- Colchicine24 claims
- Sulfasalazine18 claims
- Allopurinol17 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.
Industry payments in 2024: $99.00
1 payment: education; the largest payer was Janssen Biotech, Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Banner-University Medical GroupTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justin T. Dunn among 117 rheumatology physician records in Arizona
Justin T. Dunn, MD is one of 117 rheumatology physician records with a practice address in Arizona. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 86% of them.
- NPI issued2019 · 86% of these records are older, 7% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2019 · median 2001 among the 83 with a school on file
- Record last updated2025 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Arizona
There are 117 rheumatology physician records in Arizona.
All 117 in Arizona → Every provider in Tucson → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Samuel Cook, DOTucson, AZ 857131144782079
- Chian Kwoh, MDTucson, AZ 857131730153131
- Faryal RazzaqTucson, AZ 857131053042804
- Carlos Tafich, MDTucson, AZ 857131508299553
- Albert Redford, D.O.Tucson, AZ 857121154852879
- Sujata Sarkar, MDTucson, AZ 857121194800607
- Jeffrey Lisse, MDTucson, AZ 857111316973217
- Berchman Vaz, MDTucson, AZ 857111265468219
Common questions
What is Justin T. Dunn, MD's NPI number?
Justin T. Dunn, MD's National Provider Identifier (NPI) is 1760945687, issued on Apr 8, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Justin T. Dunn, MD located?
The NPPES record lists a practice address at 2800 E Ajo Way, Tucson, AZ, 85713. Phone: (520) 874-2778. Providers update this record themselves, so call before visiting.
How can I verify Justin T. Dunn, MD's license?
NPPES lists Arizona license number 77242, 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 Justin T. Dunn, MD prescribe under Medicare Part D?
In 2024, Justin T. Dunn, MD had 256 Medicare Part D claims for 43 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.