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. Morgan Whigham, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(602) 445-0751 Dr. Naleena Sidhu, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 214-9720 Dr. Nancy Koch, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Nanni Bachenheimer, M.D.Scottsdale, AZ · $122 in drug and device payments (2025) ·
(480) 985-1093 Dr. Nathan Chow, MDScottsdale, AZ · $372 in drug and device payments (2025) ·
(602) 445-0751 Dr. Nathan Delafield, M.D.Scottsdale, AZ · No drug or device payments recorded (2025) · Telehealth ·
(480) 301-8000 Dr. Nathaniel Untch, MDScottsdale, AZ · $58 in drug and device payments (2025) ·
(480) 301-8000 Dr. Nazila Biria, MDScottsdale, AZ · $3,877 in drug and device payments (2025) · Telehealth ·
(480) 301-8000 Dr. Nedall Samad, M.D.Scottsdale, AZ · $22 in drug and device payments (2025) ·
(480) 455-3000 Dr. Neeja Dave, M.D.Scottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 455-3000 Dr. Nicholas Allen, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Nicholas Daniels, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Nicholas Schultz, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Nima Ghadimi, MDScottsdale, AZ · $289 in drug and device payments (2025) · Telehealth ·
(480) 716-5998 Dr. Nina Safa, MDScottsdale, AZ · $1,300 in drug and device payments (2025) ·
(480) 301-8000 Dr. Nina Sukhrani, D.O.Scottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 455-3000 Dr. Obianuju Odoh, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Pamela Davis, M.D.Scottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 209-7874 Dr. Paresh Goel, M.D.Scottsdale, AZ · $51 in drug and device payments (2025) ·
(833) 366-3721 Dr. Paru David, M.D.Scottsdale, AZ · $125 in drug and device payments (2025) · Telehealth ·
(480) 301-8000 Dr. Pasquale Palumbo, M.D.Scottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Patherica Charoenmins, DOScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Patress Persons, MDScottsdale, AZ · No drug or device payments recorded (2025) · Telehealth ·
(480) 301-8000 Dr. Patrick Pasulka, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 607-3800 Dr. Paul Schenk, M.D.Scottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 502-9457 Dr. Paul Snyder, M.D.Scottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Paul Soiya, MDScottsdale, AZ · $91 in drug and device payments (2025) ·
(480) 219-9773 Dr. Pedro Henrique De Borba Engster, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Peter Parker, MDScottsdale, AZ · $56 in drug and device payments (2025) ·
(602) 445-0751 Dr. Phuong Nguyen, D.O.Scottsdale, AZ · $44 in drug and device payments (2025) ·
(602) 445-0751 Dr. Pierce Claassen, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Poliana Tan, MDScottsdale, AZ · $284 in drug and device payments (2025) ·
(480) 214-9720 Dr. Preston Seaberg, M.D.Scottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Rachel Bailon, M.D.Scottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Rachel FisherScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Ralph DavisScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Ralph Seligmann, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 609-8600 Dr. Rama Vasireddy, M. D.Scottsdale, AZ · No drug or device payments recorded (2025) · Telehealth ·
(480) 948-9903 Dr. Richard Brooks, M.D.Scottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Richard Moe, M.D.Scottsdale, AZ · $125 in drug and device payments (2025) ·
(480) 607-3800 Dr. Robert Bierman, M.D.Scottsdale, AZ · $140 in drug and device payments (2025) ·
(480) 348-3200 Dr. Robert Horsley, M.D.Scottsdale, AZ · No drug or device payments recorded (2025) · Telehealth ·
(480) 301-8000 Dr. Robert Martinez, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Robert Wright, M.D.Scottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 455-3000 Dr. Roshni Kundranda, MDScottsdale, AZ · No drug or device payments recorded (2025) · Telehealth ·
(480) 733-7600 Dr. Roxana Orbegoso, M.D.Scottsdale, AZ · $267 in drug and device payments (2025) ·
(480) 991-4707 Dr. Rupal Vora, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(602) 295-0298 Dr. Ruth Mcconnell, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Ryan Evans, M.D.Scottsdale, AZ · $128 in drug and device payments (2025) ·
(480) 214-9720 Dr. Ryan Gassner, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 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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