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. Kirtida Ringwala, MDOshkosh, WI · $601 in drug and device payments (2025) ·
(920) 236-3214 Dr. Lisa Anthony, MDOshkosh, WI · $18,655 in drug and device payments (2025) ·
(920) 303-8700 Dr. Lois Jacobs, M.D.,PHDOshkosh, WI · No drug or device payments recorded (2025) ·
(920) 231-5313 Dr. Mark Cockley, MDOshkosh, WI · No drug or device payments recorded (2025) ·
(902) 237-5000 Dr. Matthew Kraemer, DOOshkosh, WI · No drug or device payments recorded (2025) ·
(920) 223-7100 Dr. Michael Duffy, MDOshkosh, WI · No drug or device payments recorded (2025) ·
(920) 303-8700 Dr. Natalie Roberts, DOOshkosh, WI · No drug or device payments recorded (2025) ·
(920) 223-0275 Dr. Richard Hughes, M.D.Oshkosh, WI · No drug or device payments recorded (2025) ·
(920) 233-2865 Dr. Robert WestonOshkosh, WI · No drug or device payments recorded (2025) ·
(920) 424-2424 Dr. Teresa Lee, MDOshkosh, WI · No drug or device payments recorded (2025) · Telehealth ·
(920) 303-8700 Dr. Joseph Boero, MDPark Falls, WI · No drug or device payments recorded (2025) ·
(715) 762-2970 Dr. Raj Hiranandani, M.D.Park Falls, WI · No drug or device payments recorded (2025) ·
(715) 765-3212 Dr. Yusuf Kasirye, M.D.Park Falls, WI · No drug or device payments recorded (2025) ·
(715) 762-3212 Dr. Walid Omer, M.DPeshtigo, WI · No drug or device payments recorded (2025) ·
(715) 735-4609 Dr. Kalpana Kumar, M.D.Pewaukee, WI · No drug or device payments recorded (2025) ·
(262) 695-5311 Dr. Aaron Galbraith, M.D.Pleasant Prairie, WI · $1,776 in drug and device payments (2025) ·
(262) 551-4260 Dr. Lauren Snower, M.D.Pleasant Prairie, WI · $2,456 in drug and device payments (2025) ·
(262) 551-4160 Dr. Mathangi Sekharan, MDPleasant Prairie, WI · $800 in drug and device payments (2025) ·
(262) 551-4240 Dr. Ninad Dixit, M.D.Pleasant Prairie, WI · $2,354 in drug and device payments (2025) ·
(262) 551-4150 Dr. Chanda Kapur, MDPlymouth, WI · No drug or device payments recorded (2025) ·
(920) 893-4010 Dr. Katie Thompson, DOPlymouth, WI · $17 in drug and device payments (2025) ·
(920) 449-7000 Dr. Dalia Suliene, MDPortage, WI · No drug or device payments recorded (2025) ·
(608) 742-9100 Dr. Paul Slavik, MDPortage, WI · No drug or device payments recorded (2025) ·
(608) 742-7161 Dr. Karen Himmel, M.D.Porterfield, WI · No drug or device payments recorded (2025) ·
(715) 735-9338 Dr. Douglas Mcmanus, MDPort Washington, WI · No drug or device payments recorded (2025) ·
(262) 284-3456 Dr. Kenneth Jensen, M.D.Port Washington, WI · No drug or device payments recorded (2025) ·
(262) 284-3456 Dr. Mark Bostwick, MDPort Washington, WI · No drug or device payments recorded (2025) ·
(262) 284-3456 Dr. Peter Gierke, M.D.Prairie Du Chien, WI · No drug or device payments recorded (2025) ·
(702) 453-3799 Dr. Ralph Tauke, MDPrairie Du Chien, WI · No drug or device payments recorded (2025) ·
(608) 326-6466 Dr. Katherine Larson, MDPrairie Du Sac, WI · No drug or device payments recorded (2025) ·
(608) 643-3311 Dr. Sandhya Shah, MDPrairie Du Sac, WI · No drug or device payments recorded (2025) ·
(608) 643-3311 Dr. Wendy Ledesma, MDPrairie Du Sac, WI · No drug or device payments recorded (2025) ·
(608) 643-3311 Dr. Adriana Gusatu, MDRacine, WI · No drug or device payments recorded (2025) ·
(262) 687-4011 Dr. Bonnie Wirfs, MDRacine, WI · No drug or device payments recorded (2025) ·
(262) 633-0500 Dr. Daniel Ross, M.D.Racine, WI · No drug or device payments recorded (2025) ·
(262) 687-6100 Dr. Erin Siegel, M.D.Racine, WI · No drug or device payments recorded (2025) ·
(262) 687-4011 Dr. Gerald Wisniewski, MDRacine, WI · No drug or device payments recorded (2025) ·
(262) 687-6100 Dr. Giuseppe Garretto, D.O.Racine, WI · No drug or device payments recorded (2025) ·
(262) 504-6150 Dr. Jerome Brooks, MDRacine, WI · No drug or device payments recorded (2025) ·
(262) 687-8150 Dr. Kaye-eileen Willard, MDRacine, WI · $492 in drug and device payments (2025) · Telehealth ·
(262) 687-8260 Dr. Kevin Cooper, DORacine, WI · No drug or device payments recorded (2025) ·
(262) 687-4011 Dr. Lawrence Tolson, MDRacine, WI · No drug or device payments recorded (2025) ·
(262) 687-6150 Dr. Mary Pagano, MDRacine, WI · No drug or device payments recorded (2025) ·
(262) 752-2100 Dr. Richard Pierce-ruhland, M.D.Racine, WI · No drug or device payments recorded (2025) ·
(262) 687-8300 Dr. Shalini Ravi, MDRacine, WI · No drug or device payments recorded (2025) ·
(262) 752-2100 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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