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Dr. Daniel P. Aaronson, MD

Internal Medicine (Internal Medicine Physician)

5301 E Grant Rd
Tucson, AZ 85712

Who else practices at this address →

Pima County includes primary care (34% of residents) and dental (4% of residents) and mental health (14% of residents) shortage areas. About shortage areas

Call (520) 318-3434

At a glance

Years since graduation
5
In the NPI registry since
2022

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is

Education and training

  • 2021Medical school: University of Arizona College of Medicine
  • 2022Registered with an NPI (national billing number; not a license date)

Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Internal Medicine Physician primary
    AZ license 74745

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Internal Medicine per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare prescriptions

Most prescribed drugs, Medicare Part D 2024
DrugPrescriptions
Atorvastatin Calcium
Other prescribers in Tucson, AZ
16
Eliquis (apixaban)
Other prescribers in Tucson, AZ
11

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Payments from drug and device companies

In 2025, 2 companies reported 4 payments worth $141 in total to this clinician.

By type
Food and Beverage$141

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in Arizona →

Other Internal Medicine clinicians in Tucson

Sources

NPI registry (CMS NPPES, November 2026; record last updated July 3, 2025), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1134865355. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.