Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Nathaniel A. Reyes, MD

Individual provider Internal Medicine Physician · NPI 1083879357

Nathaniel A. Reyes, MD is registered under Pulmonary Disease in Tucson, Arizona. Graduated from New York University School of Medicine in 2008, 18 years ago. Practices with Tmc Medical Network, a 277-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
18
Trained at
New York University School of Medicine
Licensed in
AZ
In the registry since
2008
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

5301 E Grant Rd
Tucson, AZ 85712-2805
Phone: (520) 324-5664
Fax: (520) 324-4156
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1951 N Wilmot Rd, Tucson, AZ 85712-8000 — (520) 318-1114

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 47672 (AZ)
Internal Medicine Physician Taxonomy 207R00000X · Licence 47672 (AZ)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 47672 (AZ)

Record details

NPI number1083879357
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 25, 2008
Last updated in NPPESSeptember 16, 2021
Certification dateSeptember 16, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPULMONARY DISEASE
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Tmc Medical Network — 277 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients190
Services billed 479 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $291 16 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Tmc Medical Network

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 277 clinicians in the practice; 12 are shown here.

Other providers in Tucson