Internal Medicine in Madison, Wisconsin
Data updated monthly · Last refresh September 2026
411 Internal Medicine providers practice in Madison, and 9% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Madison
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. Oscar Ramirez Ramirez, MD Dr. Paloma Lucena Cabral, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 263-6400 Dr. Pamela Alsum, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 251-4990 Dr. Pamela Ryan, MDMadison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 265-7550 Dr. Parisa Amleshi, MDMadison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 287-2250 Dr. Patricia Siy, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 263-6400 Dr. Patrick Kittredge, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 265-1200 Dr. Patrick Mcclurg, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 263-6400 Dr. Paula Graf, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 417-6000 Dr. Paul Beckfield, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 260-6000 Dr. Paul John Hayner, MDMadison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 274-1100 Dr. Paul Shattuck, M.D.Madison, WI · No drug or device payments recorded (2025) ·
(608) 280-7059 Dr. Peggy Simpson, MDMadison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 252-8000 Dr. Peter Idsvoog, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 828-7611 Dr. Peter Kleinschmidt, M.D.Madison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 263-7500 Dr. Peter Newcomer, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 265-1600 Dr. Peter Stadmeyer, M.D.Madison, WI · $131 in drug and device payments (2025) · Telehealth ·
(608) 890-5000 Dr. Philip Cohen, M.D.Madison, WI · No drug or device payments recorded (2025) ·
(608) 441-2512 Dr. Philip Zimmermann, M.D.Madison, WI · No drug or device payments recorded (2025) ·
(608) 236-4284 Dr. Puangpetch ChanbusarakumMadison, WI · No drug or device payments recorded (2025) ·
(608) 267-1445 Dr. Rachel Wilson, D.O.Madison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 263-7500 Dr. Rafael Hastey, M.D.Madison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 824-4470 Dr. Randall Haas, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 824-4800 Dr. Randy Heidel, MDMadison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 287-2250 Dr. Rani Saoud, M.D.Madison, WI · No drug or device payments recorded (2025) ·
(608) 417-5695 Dr. Raphael Tadeu Do Vale Souza, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 263-6400 Dr. Raul Ocampo Landa, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 263-6400 Dr. Ray Kimura, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 417-5695 Dr. Rebecca Byers, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 265-5600 Dr. Rebecca LuohMadison, WI · No drug or device payments recorded (2025) ·
(608) 263-6400 Dr. Rebecca Strigenz, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 251-6100 Dr. Ricardo Almonte, M.D.Madison, WI · No drug or device payments recorded (2025) ·
(608) 807-1600 Dr. Richard Armstrong, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 260-6000 Dr. Richard Chiu, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 263-6400 Dr. Richard Day, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 287-2435 Dr. Richard Dewitt, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 238-2750 Dr. Richard Granger, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 263-6400 Dr. Richard Welnick, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 287-2884 Dr. Riley Madigan, M.D.Madison, WI · No drug or device payments recorded (2025) ·
(608) 263-6400 Dr. Ritwick Mynam, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 263-6400 Dr. Riya ParikhMadison, WI · No drug or device payments recorded (2025) ·
(608) 263-6400 Dr. Robert Agarwal, M.D.Madison, WI · No drug or device payments recorded (2025) ·
(608) 287-2250 Dr. Robert Alt, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 260-6000 Dr. Robert Boyle, MDMadison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 274-1100 Dr. Robert Gilbert, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 260-6000 Dr. Robert Olson, M.D.Madison, WI · $285 in drug and device payments (2025) ·
(608) 233-9746 Dr. Ross TanisMadison, WI · $2,531 in drug and device payments (2025) ·
(803) 727-5117 Dr. R. Slater, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 417-6000 Dr. Ryan IngebritsenMadison, WI · $239 in drug and device payments (2025) ·
(608) 263-6400 Conditions Internal Medicine providers in Madison, Wisconsin 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 Madison, Wisconsin?There are 411 Internal Medicine providers with active NPI records practicing in Madison, according to federal NPPES data refreshed monthly.
How many Internal Medicine providers in Madison received drug or device company payments?35 of 411 (9%) 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 Madison treat?Internal Medicine providers in Madison 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 Madison Internal Medicine across Wisconsin
