Internal Medicine Doctors in Arizona
Data updated monthly · Last refresh October 2026
2,857 Internal Medicine providers practice in Arizona, including 464 (16%) offering telehealth. The largest concentration is in Phoenix. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
2,857providers
464telehealth
Phoenixtop city
Internal Medicine by city in Arizona
Choose a city to see providers there.
Internal Medicine providers in Arizona
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Tejo Vemulapalli, MDTucson, AZ · No drug or device payments recorded (2025) ·
(520) 694-8888 Dr. Terry Hargrove, MDTucson, AZ · No drug or device payments recorded (2025) ·
(520) 742-0414 Dr. Thi Nguyen, M.D.Tucson, AZ · No drug or device payments recorded (2025) ·
(520) 891-8413 Dr. Thomas Biuso, M.D.Tucson, AZ · No drug or device payments recorded (2025) ·
(520) 318-3434 Dr. Thomas Headlee, M.D.Tucson, AZ · No drug or device payments recorded (2025) ·
(520) 258-4145 Dr. Thomas Lindow, M.D.Tucson, AZ · No drug or device payments recorded (2025) ·
(520) 296-6000 Dr. Timothy Carrick, MDTucson, AZ · No drug or device payments recorded (2025) ·
(520) 505-8912 Dr. Timothy Johnson, M.D.Tucson, AZ · No drug or device payments recorded (2025) ·
(520) 324-8621 Dr. Timothy Kratzer, M.D.Tucson, AZ · No drug or device payments recorded (2025) ·
(520) 290-5888 Dr. Timothy Mcnichols, MD Dr. Tolulope Popoola, MD, MS Dr. Trishan Panchal, MBBSTucson, AZ · No drug or device payments recorded (2025) ·
(520) 694-0111 Dr. Tyler Gloe, DOTucson, AZ · No drug or device payments recorded (2025) ·
(520) 626-2761 Dr. Tyler HillTucson, AZ · No drug or device payments recorded (2025) ·
(520) 874-2778 Dr. Vannessa Adams, DOTucson, AZ · No drug or device payments recorded (2025) ·
(520) 694-8888 Dr. Vasanta Weiss, MDTucson, AZ · $131 in drug and device payments (2025) · Telehealth ·
(520) 742-0999 Dr. Venkata Rokkam, MDTucson, AZ · No drug or device payments recorded (2025) ·
(520) 694-8888 Dr. Veronica Pimienta, MDTucson, AZ · No drug or device payments recorded (2025) ·
(520) 323-2073 Dr. Victor Beer, MDTucson, AZ · $11,702 in drug and device payments (2025) ·
(520) 547-5960 Dr. Victoria Maizes, MDTucson, AZ · No drug or device payments recorded (2025) ·
(520) 694-8888 Dr. Victoria Sanguineti, M.D.Tucson, AZ · No drug or device payments recorded (2025) ·
(520) 694-4000 Dr. Vijaya Chada, MDTucson, AZ · No drug or device payments recorded (2025) ·
(520) 262-4031 Dr. Vinus Patel, DOTucson, AZ · No drug or device payments recorded (2025) ·
(520) 547-5836 Dr. Vrajesh Parmar, MDTucson, AZ · $594 in drug and device payments (2025) · Telehealth ·
(520) 258-0571 Dr. Walid Nader, MDTucson, AZ · No drug or device payments recorded (2025) ·
(520) 290-1100 Dr. Wanda Torrey, M.D.Tucson, AZ · No drug or device payments recorded (2025) ·
(520) 622-5912 Dr. Wendy Florence, M.D.Tucson, AZ · No drug or device payments recorded (2025) ·
(520) 299-2658 Dr. William ClarkTucson, AZ · No drug or device payments recorded (2025) ·
(520) 323-7026 Dr. William Ludt, DOTucson, AZ · No drug or device payments recorded (2025) ·
(520) 396-1360 Dr. William MatloffTucson, AZ · No drug or device payments recorded (2025) ·
(520) 874-2778 Dr. William Odette, M.D.Tucson, AZ · No drug or device payments recorded (2025) ·
(520) 290-5888 Dr. William Waidelich, MDTucson, AZ · No drug or device payments recorded (2025) ·
(520) 792-1450 Dr. William ZiarnikTucson, AZ · No drug or device payments recorded (2025) ·
(520) 219-2418 Dr. Winola Purushotham, M.D.Tucson, AZ · No drug or device payments recorded (2025) ·
(520) 322-8460 Dr. Yash Ashara, M.B.B.S.Tucson, AZ · No drug or device payments recorded (2025) ·
(520) 694-0111 Dr. Yeo Lee, D.O.Tucson, AZ · No drug or device payments recorded (2025) ·
(520) 314-3300 Dr. Yuet-ming Chan, MDTucson, AZ · No drug or device payments recorded (2025) ·
(415) 713-7293 Dr. Zachary Chun, MDTucson, AZ · No drug or device payments recorded (2025) ·
(520) 626-5797 Dr. Zeenat Chowdhury-jackson, M.D.Tucson, AZ · No drug or device payments recorded (2025) ·
(520) 670-3909 Dr. Donald Perry, MDTuscon, AZ · No drug or device payments recorded (2025) ·
(520) 694-4000 Dr. Elly Varma, M.D.Tuscon, AZ · No drug or device payments recorded (2025) ·
(520) 626-2761 Dr. Mark Simmons, MDTuscon, AZ · No drug or device payments recorded (2025) ·
(520) 219-6616 Conditions Internal Medicine providers in Arizona commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
Common questions
How many Internal Medicine providers are in Arizona?There are 2,857 Internal Medicine providers with active NPI records practicing in Arizona, according to federal NPPES data refreshed monthly.
Do Internal Medicine providers in Arizona offer telehealth?Yes. 464 of the 2,857 Internal Medicine providers in Arizona (about 16%) report offering telehealth services in CMS data.
Which cities in Arizona have the most Internal Medicine providers?Phoenix (698), Tucson (652), Scottsdale (339) have the highest concentration of Internal Medicine providers in Arizona.
How many Internal Medicine providers in Arizona received drug or device company payments?940 of 2,857 Internal Medicine providers in Arizona (33%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Internal Medicine providers in Arizona treat?Internal Medicine providers commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Internal Medicine Doctors in Arizona work in independent practices or large health systems?Among 1,479 Internal Medicine Doctors in Arizona enrolled in Medicare, 20% bill through a solo or small practice with fewer than 10 clinicians, 28% through a mid-size group of 10 to 99, and 52% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Internal Medicine Doctors in Arizona work at?According to CMS facility affiliation records, the Arizona hospitals where the most Internal Medicine Doctors hold privileges are Tucson Medical Center in Tucson; Honor Health John C. Lincoln Medical Center in Phoenix; Banner - University Medical Center Phoenix in Phoenix.
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