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. Zoe Rammelkamp, MDMadison, WI · No drug or device payments recorded (2025) · Telehealth ·
(612) 626-5454 Dr. Beverly Calub, M.D.Manitowoc, WI · No drug or device payments recorded (2025) ·
(773) 636-7481 Dr. Donald Debruyn, MDManitowoc, WI · No drug or device payments recorded (2025) ·
(920) 682-8841 Dr. Enrique Lopez Guimera, MDManitowoc, WI · No drug or device payments recorded (2025) ·
(920) 320-2012 Dr. Khalid Abdelgadir, MDManitowoc, WI · No drug or device payments recorded (2025) ·
(920) 320-2011 Dr. Luann Moraski, DOManitowoc, WI · $224 in drug and device payments (2025) ·
(920) 320-4500 Dr. Mark Capriolo, MDManitowoc, WI · No drug or device payments recorded (2025) ·
(920) 682-8841 Dr. Mark Herring, M.D.Manitowoc, WI · No drug or device payments recorded (2025) ·
(920) 682-2747 Dr. Mary Govier, M.D.Manitowoc, WI · No drug or device payments recorded (2025) ·
(920) 320-6212 Dr. Michael Hiebert, MDManitowoc, WI · No drug or device payments recorded (2025) ·
(920) 320-6212 Dr. Michael Hoftiezer, M.D.Manitowoc, WI · No drug or device payments recorded (2025) ·
(920) 320-6212 Dr. Pooja Patel, MD, MBSManitowoc, WI · No drug or device payments recorded (2025) ·
(262) 505-9131 Dr. Pradeep Giriyappa, M.D.Manitowoc, WI · No drug or device payments recorded (2025) ·
(920) 320-6212 Dr. Robert Cornwell, MDManitowoc, WI · No drug or device payments recorded (2025) ·
(920) 320-6212 Dr. Tamiru Tumdedo, MDManitowoc, WI · No drug or device payments recorded (2025) ·
(920) 320-2011 Dr. Timothy Maatman, MDManitowoc, WI · No drug or device payments recorded (2025) ·
(920) 682-8841 Dr. Alok Arora, MD, MRCP(UK) ACUTE MMarinette, WI · $368 in drug and device payments (2025) · Telehealth ·
(715) 735-4200 Dr. Amjed Abu Muhanna, MDMarinette, WI · No drug or device payments recorded (2025) ·
(715) 735-7421 Dr. Dragana DurdevicMarinette, WI · No drug or device payments recorded (2025) ·
(715) 732-8000 Dr. Gerald Mccarthy, MDMarinette, WI · No drug or device payments recorded (2025) ·
(715) 732-2299 Dr. Gian Daroach, MDMarinette, WI · No drug or device payments recorded (2025) ·
(715) 735-7421 Dr. Jean-lucien Omekanda, M.D.Marinette, WI · No drug or device payments recorded (2025) ·
(715) 735-4200 Dr. John Mcguire, M.D.Marinette, WI · No drug or device payments recorded (2025) ·
(715) 732-2299 Dr. Kenneth Kellner, MDMarinette, WI · No drug or device payments recorded (2025) ·
(715) 732-8000 Dr. Khaled Elkady Hussein, M.DMarinette, WI · No drug or device payments recorded (2025) ·
(715) 732-8130 Dr. Maneet ChathaMarinette, WI · No drug or device payments recorded (2025) ·
(715) 735-4200 Dr. Matthew Kowalke, MDMarinette, WI · No drug or device payments recorded (2025) ·
(715) 732-8000 Dr. Nicole Hiniker, MDMarinette, WI · No drug or device payments recorded (2025) · Telehealth ·
(715) 735-5225 Dr. Shobha Ramaiah, MDMarinette, WI · No drug or device payments recorded (2025) ·
(715) 732-8000 Dr. Afifa Aslam, MDMarshfield, WI · No drug or device payments recorded (2025) ·
(800) 782-8581 Dr. Ahmad Gul, MDMarshfield, WI · No drug or device payments recorded (2025) ·
(800) 782-8581 Dr. Allyson Mayeux, MDMarshfield, WI · No drug or device payments recorded (2025) ·
(715) 387-5511 Dr. Amalia Pontes, M.D.Marshfield, WI · No drug or device payments recorded (2025) ·
(715) 387-5600 Dr. Analise Hanneman, M.D.Marshfield, WI · $14 in drug and device payments (2025) ·
(715) 387-5600 Dr. Ayesha GilaniMarshfield, WI · No drug or device payments recorded (2025) ·
(800) 782-8581 Dr. Camille Torbey, MDMarshfield, WI · No drug or device payments recorded (2025) ·
(715) 221-7833 Dr. Christopher Adler, MDMarshfield, WI · No drug or device payments recorded (2025) ·
(800) 782-8581 Dr. Douglas Peterson, MDMarshfield, WI · No drug or device payments recorded (2025) ·
(715) 387-4888 Dr. Eammon GrosekMarshfield, WI · No drug or device payments recorded (2025) · Telehealth ·
(719) 649-0232 Dr. Eram Rahim, MDMarshfield, WI · No drug or device payments recorded (2025) · Telehealth ·
(715) 389-3334 Dr. Ewa Kubica, MDMarshfield, WI · No drug or device payments recorded (2025) ·
(715) 387-5435 Dr. Felipe Echeverria Gutierrez, MDMarshfield, WI · No drug or device payments recorded (2025) ·
(715) 387-5240 Dr. Fergus Mckiernan, MDMarshfield, WI · No drug or device payments recorded (2025) ·
(715) 387-9313 Dr. Frederick Hernaez, MDMarshfield, WI · No drug or device payments recorded (2025) · Telehealth ·
(715) 387-5511 Dr. Gaojun Gui, MDMarshfield, WI · No drug or device payments recorded (2025) · Telehealth ·
(715) 387-5537 Dr. Gary Vanoudenhoven, MDMarshfield, WI · No drug or device payments recorded (2025) ·
(715) 387-5511 Dr. Gurdon Hamilton, MDMarshfield, WI · No drug or device payments recorded (2025) ·
(715) 387-7090 Dr. Ismael Garcia Guerrero, MDMarshfield, WI · No drug or device payments recorded (2025) ·
(800) 782-8581 Dr. James Nash, DOMarshfield, WI · $15 in drug and device payments (2025) · Telehealth ·
(715) 387-5511 Dr. Jane Kennedy, MDMarshfield, WI · No drug or device payments recorded (2025) ·
(715) 221-7833 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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