HealthcareDiscovery.AI / Doctors / Michigan / Ann Arbor / Internal Medicine

Internal Medicine in Ann Arbor, Michigan

Data updated monthly · Last refresh September 2026

478 Internal Medicine providers practice in Ann Arbor, and 12% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Ann Arbor

Listed alphabetically. 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. Joel Howell, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 936-4000
Dr. Johnathan Barkham, M.D.
Ann Arbor, MI · $25 in drug and device payments (2025) · (734) 769-7100
Dr. John Ayanian, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · Telehealth · (734) 936-4000
Dr. John Billi, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 936-4000
Dr. John Hunter, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · Telehealth · (734) 936-4000
Dr. John Limouze
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 936-4385
Dr. Jonathan Prostak, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 936-4000
Dr. Jonathan Schwartz, MD
Ann Arbor, MI · $355 in drug and device payments (2025) · (734) 936-5582
Dr. Jonathan Sebolt, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 936-4000
Dr. Joseph Norman, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 936-5582
Dr. Juan Caceres, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 936-4000
Dr. Judith Howze, DO
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 769-5314
Dr. Julia Chen, M.D.
Ann Arbor, MI · $73 in drug and device payments (2025) · Telehealth · (734) 647-5650
Dr. Julian Buchinger, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 936-4000
Dr. Julia Tullio, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · Telehealth · (734) 936-4000
Dr. Julieann Grant, M.D.
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 936-4000
Dr. Julie Barrett, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 936-4000
Dr. Juliette Perzhinsky, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 769-7100
Dr. Jyoti Sutter, M.D.
Ann Arbor, MI · No drug or device payments recorded (2025) · Telehealth · (734) 936-5582
Dr. Jyotsna Kapoor, M.D.
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 769-7100
Dr. Kahli Zietlow, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · Telehealth · (734) 936-4000
Dr. Kaitlin Regan, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 936-4000
Dr. Karl Brenner, M.D.
Ann Arbor, MI · No drug or device payments recorded (2025) · Telehealth · (734) 995-0303
Dr. Katerina Castillo, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 936-4000
Dr. Kathleen Dussan, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 769-7100
Dr. Kathleen Longo, MD, MPH
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 769-7100
Dr. Kathryn Levy, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 936-5582
Dr. Katie Liu, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 936-4000
Dr. Kayla Mcaleenan, M.D.
Ann Arbor, MI · No drug or device payments recorded (2025) · Telehealth · (734) 647-5670
Dr. Kenneth Jamerson, MD
Ann Arbor, MI · $100 in drug and device payments (2025) · Telehealth · (734) 936-5000
Dr. Kenneth Langa, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 936-5582
Dr. Kevin O'reilly, DO
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 936-5582
Dr. Kevin Pearlman, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · Telehealth · (734) 936-4000
Dr. Khalid Abdul Majeed, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 936-4000
Dr. Kimberly Hamilton, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · Telehealth · (734) 998-2020
Dr. Kimberly O'donnell, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · Telehealth · (734) 647-5670
Dr. Kirsten Kangelaris, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 936-5582
Dr. Kishor Patel, M.D.
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 845-5290
Dr. Kristen Krieger, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · Telehealth · (734) 647-5670
Dr. Kristin Mcfadden, D.O.
Ann Arbor, MI · No drug or device payments recorded (2025) · Telehealth · (734) 761-2581
Dr. Kurt Hesse, M.D.
Ann Arbor, MI · No drug or device payments recorded (2025) · (248) 705-1887
Dr. Kurt Kamper, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · Telehealth · (734) 998-7207
Dr. Laura Babe, M.D.
Ann Arbor, MI · $245 in drug and device payments (2025) · Telehealth · (734) 761-2165
Dr. Lauren Heidemann, M.D.
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 936-4000
Dr. Lawrence An, M.D.
Ann Arbor, MI · No drug or device payments recorded (2025) · Telehealth · (734) 936-4000
Dr. Lawrence Mcmaster, DO
Ann Arbor, MI · $40 in drug and device payments (2025) · (734) 615-9200
Dr. Lee Rabinowitz, M.D.
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 936-5582
Dr. Liana Marquis, MD
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 936-4000
Dr. Lihua Shu
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 998-2020
Dr. Lilli Petruzzelli, MD, PHD
Ann Arbor, MI · No drug or device payments recorded (2025) · (734) 936-9020

Conditions Internal Medicine providers in Ann Arbor, Michigan 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.

Common questions

How many Internal Medicine providers are in Ann Arbor, Michigan?

There are 478 Internal Medicine providers with active NPI records practicing in Ann Arbor, according to federal NPPES data refreshed monthly.

How many Internal Medicine providers in Ann Arbor received drug or device company payments?

56 of 478 (12%) 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 Ann Arbor treat?

Internal Medicine providers in Ann Arbor 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 records 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.

All specialties in Ann Arbor Internal Medicine across Michigan

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.