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. Michael Zeihen, MDKenosha, WI · No drug or device payments recorded (2025) ·
(262) 653-5300 Dr. Mitchell Ziarko, MDKenosha, WI · No drug or device payments recorded (2025) ·
(262) 653-5300 Dr. Mithin Mathew, DOKenosha, WI · $2,217 in drug and device payments (2025) ·
(224) 551-8030 Dr. Neda NaderiKenosha, WI · $299 in drug and device payments (2025) ·
(262) 551-4600 Dr. Nina Kayeum, MDKenosha, WI · No drug or device payments recorded (2025) ·
(262) 948-6790 Dr. Omar Kazmi, D.O.Kenosha, WI · No drug or device payments recorded (2025) ·
(262) 948-6640 Dr. Paul Odusanya, MDKenosha, WI · No drug or device payments recorded (2025) ·
(201) 238-5395 Dr. Rodrigo Mata, M.D.Kenosha, WI · $518 in drug and device payments (2025) ·
(262) 652-2710 Dr. Scott Feldy, DOKenosha, WI · No drug or device payments recorded (2025) ·
(262) 948-7820 Dr. Shazia Mirza, M.D.Kenosha, WI · No drug or device payments recorded (2025) ·
(262) 652-3500 Dr. Stefanie Ruffolo, M.D.Kenosha, WI · $872 in drug and device payments (2025) ·
(262) 220-7294 Dr. Suresh Naik, MDKenosha, WI · No drug or device payments recorded (2025) ·
(262) 658-1618 Dr. Suzanne Mattox, MDKenosha, WI · No drug or device payments recorded (2025) ·
(262) 653-5300 Dr. Wendel Friedl, MDKenosha, WI · No drug or device payments recorded (2025) ·
(262) 653-5300 Dr. Zebi Fatima, MDKenosha, WI · No drug or device payments recorded (2025) · Telehealth ·
(262) 942-5600 Dr. Katherine Marienfeld, M.D.Keshena, WI · No drug or device payments recorded (2025) ·
(715) 799-3361 Dr. Charlotte Rutkowski, MDKewaskum, WI · No drug or device payments recorded (2025) ·
(262) 626-4616 Dr. Christopher Budny, MDKewaskum, WI · No drug or device payments recorded (2025) · Telehealth ·
(626) 264-6162 Dr. Aaron ChristiansLa Crosse, WI · No drug or device payments recorded (2025) ·
(608) 782-7300 Dr. Abigail Deyo, M.D.La Crosse, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 785-0940 Dr. Abigail Krueger, DOLa Crosse, WI · $55 in drug and device payments (2025) · Telehealth ·
(608) 782-7300 Dr. Adam Skemp, D.O.La Crosse, WI · $19 in drug and device payments (2025) · Telehealth ·
(608) 785-0940 Dr. Amanda Strosahl, MDLa Crosse, WI · No drug or device payments recorded (2025) ·
(608) 782-7300 Dr. Amanda Wright, MDLa Crosse, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 782-7300 Dr. Anannya Patwari, M.D.La Crosse, WI · No drug or device payments recorded (2025) ·
(608) 782-7300 Dr. Angadbir Parmar, M.DLa Crosse, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 782-7300 Dr. Anubhi Goel, MDLa Crosse, WI · No drug or device payments recorded (2025) ·
(608) 782-7300 Dr. Asma Arayan, MDLa Crosse, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 782-7300 Dr. Benjamin Smith, MDLa Crosse, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 782-7300 Dr. Benny Kusuma, MDLa Crosse, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 782-7300 Dr. Blake Jordan, DOLa Crosse, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 782-7300 Dr. Brady Nelson, MDLa Crosse, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 782-7300 Dr. Brian Mulrennan, MDLa Crosse, WI · No drug or device payments recorded (2025) ·
(608) 782-7300 Dr. Brian Sowka, DOLa Crosse, WI · $2,099 in drug and device payments (2025) ·
(608) 782-7300 Dr. Bryan Reed, DOLa Crosse, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 782-7300 Dr. Carla Grogan, M.D.La Crosse, WI · No drug or device payments recorded (2025) ·
(608) 782-7300 Dr. Carmen Scudiero, MDLa Crosse, WI · No drug or device payments recorded (2025) ·
(608) 782-7300 Dr. Caroline Clune, MDLa Crosse, WI · No drug or device payments recorded (2025) · Telehealth ·
(605) 782-9760 Dr. Caroline Fisher, MDLa Crosse, WI · No drug or device payments recorded (2025) ·
(608) 785-0940 Dr. Cassandra Knott, MDLa Crosse, WI · No drug or device payments recorded (2025) ·
(608) 782-7300 Dr. Catherine Inman, MDLa Crosse, WI · No drug or device payments recorded (2025) ·
(608) 782-7300 Dr. Charles Link, MDLa Crosse, WI · No drug or device payments recorded (2025) ·
(608) 782-7300 Dr. Christine Miller, MDLa Crosse, WI · No drug or device payments recorded (2025) ·
(608) 782-7300 Dr. Christopher Lowry, DOLa Crosse, WI · $25 in drug and device payments (2025) ·
(608) 782-7300 Dr. Christopher Walden, MD, PHDLa Crosse, WI · No drug or device payments recorded (2025) ·
(608) 782-7300 Dr. Conrad Mohr-eymerLa Crosse, WI · No drug or device payments recorded (2025) ·
(608) 782-7300 Dr. Courtney Wirtanen, MDLa Crosse, WI · No drug or device payments recorded (2025) ·
(608) 782-7300 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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