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. Soo Ah Kim, M.DNew Berlin, WI · $152 in drug and device payments (2025) ·
(262) 827-7074 Dr. Stephen Desidero, M.D.New Berlin, WI · No drug or device payments recorded (2025) · Telehealth ·
(262) 827-3636 Dr. Steve Chang, MDNew Berlin, WI · $2,641 in drug and device payments (2025) ·
(262) 754-2555 Dr. Marie Weber, MDNew London, WI · No drug or device payments recorded (2025) ·
(920) 982-8300 Dr. Brenda Boschek, M.D.Oconomowoc, WI · $125 in drug and device payments (2025) ·
(262) 928-8400 Dr. Brett Linzer, M.D.Oconomowoc, WI · No drug or device payments recorded (2025) ·
(262) 928-8400 Dr. Carrie Narkis, MDOconomowoc, WI · No drug or device payments recorded (2025) ·
(262) 569-2279 Dr. Chris Yiannias, D.O.Oconomowoc, WI · No drug or device payments recorded (2025) ·
(262) 928-8400 Dr. Dan Cleary, MDOconomowoc, WI · No drug or device payments recorded (2025) ·
(262) 928-8400 Dr. David Schlomer, M.D.Oconomowoc, WI · No drug or device payments recorded (2025) ·
(262) 928-8400 Dr. Eric Conradson, M.D.Oconomowoc, WI · No drug or device payments recorded (2025) ·
(262) 928-8400 Dr. Gerald Kallas, M.D.Oconomowoc, WI · No drug or device payments recorded (2025) ·
(414) 322-1434 Dr. Jaswinder Sidhu, M.D.Oconomowoc, WI · No drug or device payments recorded (2025) ·
(262) 928-8400 Dr. John Murphy, MDOconomowoc, WI · $18 in drug and device payments (2025) ·
(262) 569-2300 Dr. Julius BreyerOconomowoc, WI · No drug or device payments recorded (2025) ·
(262) 646-3999 Dr. William Cooper, MDOconomowoc, WI · No drug or device payments recorded (2025) ·
(262) 928-8400 Dr. John Macdonald, MDOconto, WI · No drug or device payments recorded (2025) ·
(920) 835-1100 Dr. Sarvadaman Kumar, MDOconto, WI · No drug or device payments recorded (2025) ·
(920) 496-4700 Dr. Alexa GavagaOconto Falls, WI · $554 in drug and device payments (2025) ·
(920) 855-2823 Dr. Henry Loomans, MDOconto Falls, WI · No drug or device payments recorded (2025) ·
(920) 846-8187 Dr. William Wittman, MDOconto Falls, WI · No drug or device payments recorded (2025) ·
(920) 846-3092 Dr. Amit Kulkarni, MDOnalaska, WI · No drug or device payments recorded (2025) ·
(608) 775-8630 Dr. Dalia Nashed, M.D.Onalaska, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 775-8620 Dr. Gerlyn Brasic, MDOnalaska, WI · No drug or device payments recorded (2025) ·
(608) 392-5025 Dr. James Munn, MDOnalaska, WI · No drug or device payments recorded (2025) ·
(608) 796-8630 Dr. Jeffrey Addison, D.O.Onalaska, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 775-8100 Dr. John Herath, MDOnalaska, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 782-7300 Dr. Kathryn Lynn, DOOnalaska, WI · No drug or device payments recorded (2025) ·
(608) 775-8620 Dr. Lisa Veglahn, MDOnalaska, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 775-8181 Dr. Mark Patterson, MDOnalaska, WI · No drug or device payments recorded (2025) ·
(608) 782-7300 Dr. Sarah Naik, MDOnalaska, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 796-8630 Dr. Steven Bowman, DOOnalaska, WI · No drug or device payments recorded (2025) ·
(608) 785-0940 Dr. Teresa King, MDOnalaska, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 775-8100 Dr. Tiffany Marinier, D.O.Onalaska, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 775-8630 Dr. Divya Hotchandani, MDOneida, WI · No drug or device payments recorded (2025) ·
(920) 869-2711 Dr. Michael Flood, MDOneida, WI · No drug or device payments recorded (2025) ·
(920) 869-2711 Dr. Ravinder Vir, MDOneida, WI · No drug or device payments recorded (2025) ·
(920) 869-2711 Dr. Ahmed Otokiti, MDOshkosh, WI · No drug or device payments recorded (2025) ·
(920) 303-8700 Dr. Ammar Alzoubi, MDOshkosh, WI · No drug or device payments recorded (2025) · Telehealth ·
(920) 303-8700 Dr. Asma Sabih, MDOshkosh, WI · No drug or device payments recorded (2025) ·
(920) 456-6000 Dr. Benjamin Heinzen, M.D.Oshkosh, WI · No drug or device payments recorded (2025) · Telehealth ·
(920) 223-7100 Dr. Christopher Westra, MDOshkosh, WI · No drug or device payments recorded (2025) ·
(920) 223-7243 Dr. Curtis Radford, MDOshkosh, WI · No drug or device payments recorded (2025) ·
(920) 223-7600 Dr. Denise Prehn, MDOshkosh, WI · No drug or device payments recorded (2025) ·
(920) 303-8700 Dr. Elizabeth Kimbrough, MDOshkosh, WI · No drug or device payments recorded (2025) ·
(920) 292-5555 Dr. Hendrik Schultz, MDOshkosh, WI · No drug or device payments recorded (2025) · Telehealth ·
(920) 303-8700 Dr. Indira Pulakandum, MDOshkosh, WI · No drug or device payments recorded (2025) ·
(920) 223-2000 Dr. John Steiner, MDOshkosh, WI · No drug or device payments recorded (2025) ·
(920) 651-4000 Dr. Joseph Mccausland, DOOshkosh, WI · No drug or device payments recorded (2025) ·
(920) 303-8700 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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