Internal Medicine Doctors in Wisconsin
Data updated monthly · Last refresh October 2026
2,081 Internal Medicine providers practice in Wisconsin, including 377 (18%) offering telehealth. The largest concentration is in Madison. 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.
2,081providers
377telehealth
Madisontop city
Internal Medicine by city in Wisconsin
Choose a city to see providers there.
Internal Medicine providers in Wisconsin
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. Gurpreet Singh, MDGrafton, WI · No drug or device payments recorded (2025) ·
(262) 329-1000 Dr. John Feilbach, M.D.Grafton, WI · No drug or device payments recorded (2025) ·
(262) 375-3700 Dr. Katherine Burrows, DOGrafton, WI · No drug or device payments recorded (2025) ·
(262) 376-1934 Dr. Melinda Bonilla-puetz, MDGrafton, WI · No drug or device payments recorded (2025) ·
(262) 375-3700 Dr. Muhammed Al-fawakhiri, MDGrafton, WI · No drug or device payments recorded (2025) ·
(262) 329-3450 Dr. Richard Bunting, MDGrafton, WI · No drug or device payments recorded (2025) ·
(262) 375-3700 Dr. Richard Lusis, M.D.Grafton, WI · No drug or device payments recorded (2025) ·
(262) 375-3700 Dr. Samantha Winstead, MDGrafton, WI · No drug or device payments recorded (2025) ·
(262) 376-1934 Dr. Shannon Reinbold, M.D.Grafton, WI · No drug or device payments recorded (2025) ·
(262) 376-1934 Dr. Thomas Vravick, MDGrafton, WI · No drug or device payments recorded (2025) ·
(262) 375-3700 Dr. William Ebinger, MDGrafton, WI · No drug or device payments recorded (2025) ·
(262) 375-3700 Dr. Ahmed Mohammed, MDGreen Bay, WI · $342 in drug and device payments (2025) · Telehealth ·
(920) 496-4700 Dr. Alexandra Osuchowski, M.D.Green Bay, WI · No drug or device payments recorded (2025) ·
(920) 496-4700 Dr. Aliaksandr Trusau, M.D.Green Bay, WI · $268 in drug and device payments (2025) · Telehealth ·
(920) 496-4700 Dr. Alin Sora, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 496-4700 Dr. Annamarie Lim, MDGreen Bay, WI · $176 in drug and device payments (2025) ·
(920) 496-4700 Dr. Anusha Surender, M.D.Green Bay, WI · No drug or device payments recorded (2025) ·
(920) 496-4700 Dr. Ashwani Bhatia, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 288-4500 Dr. Babak Serushan, M.D.Green Bay, WI · No drug or device payments recorded (2025) ·
(920) 433-7970 Dr. Brian Woodbridge, MDGreen Bay, WI · $23 in drug and device payments (2025) ·
(920) 327-7300 Dr. Bruce Fenster, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 496-4700 Dr. Charles Nordell, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 288-8100 Dr. Christopher Pinn, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 437-9773 Dr. Daniel Ripp, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 496-4700 Dr. David Rentmeester, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 437-7206 Dr. David Sze, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 327-7300 Dr. Diane Christel, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 496-4700 Dr. Donald Hartig, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 430-4760 Dr. Donald Massenburg, M.D.Green Bay, WI · $529 in drug and device payments (2025) ·
(920) 496-4700 Dr. Edward Bongiorno, DOGreen Bay, WI · $258 in drug and device payments (2025) ·
(920) 430-4700 Dr. Francis Lee, DOGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 445-7226 Dr. Frederick Lamont, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 327-7300 Dr. Gabriel Mihailescu, MDGreen Bay, WI · $30 in drug and device payments (2025) · Telehealth ·
(920) 288-8100 Dr. Gregory Bottei, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 437-7206 Dr. Gunar Strungs, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 496-4700 Dr. James Bruno, DOGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 468-0861 Dr. James Lisowski, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 433-3784 Dr. Janet Johnson, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 496-4700 Dr. Jason Hoppe, MDGreen Bay, WI · $238 in drug and device payments (2025) ·
(920) 496-4700 Dr. Joao Vitor Andreoli Saltao, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 496-4700 Dr. John Hartman, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 496-0600 Dr. John Rank, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 496-4700 Dr. John Shrake, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 496-4700 Dr. John Stevenson, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 288-8100 Dr. John Williams, MDGreen Bay, WI · $255 in drug and device payments (2025) ·
(920) 496-4700 Dr. Jonathan ScheelGreen Bay, WI · $23 in drug and device payments (2025) ·
(920) 288-8000 Dr. Kathleen Mcdougal, MDGreen Bay, WI · $256 in drug and device payments (2025) ·
(920) 496-4700 Dr. Kevin Rosteing, MD, MSMIGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 347-1990 Dr. Kevin Sandmire, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 496-4700 Dr. Laura Nelson, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 496-4700 Conditions Internal Medicine providers in 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 Wisconsin?There are 2,081 Internal Medicine providers with active NPI records practicing in Wisconsin, according to federal NPPES data refreshed monthly.
Do Internal Medicine providers in Wisconsin offer telehealth?Yes. 377 of the 2,081 Internal Medicine providers in Wisconsin (about 18%) report offering telehealth services in CMS data.
Which cities in Wisconsin have the most Internal Medicine providers?Madison (411), Milwaukee (383), La Crosse (113) have the highest concentration of Internal Medicine providers in Wisconsin.
How many Internal Medicine providers in Wisconsin received drug or device company payments?350 of 2,081 Internal Medicine providers in Wisconsin (17%) 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 Wisconsin 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 Wisconsin work in independent practices or large health systems?Among 984 Internal Medicine Doctors in Wisconsin enrolled in Medicare, 4% bill through a solo or small practice with fewer than 10 clinicians, 11% through a mid-size group of 10 to 99, and 85% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Internal Medicine Doctors in Wisconsin work at?According to CMS facility affiliation records, the Wisconsin hospitals where the most Internal Medicine Doctors hold privileges are University of Wi Hospitals & Clinics Authority in Madison; Froedtert Memorial Lutheran Hospital in Milwaukee; Aurora St Lukes Medical Center in Milwaukee.
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