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. Lewis Sierra, MDFond Du Lac, WI · No drug or device payments recorded (2025) ·
(920) 926-8492 Dr. Madhulika Lall, MDFond Du Lac, WI · No drug or device payments recorded (2025) ·
(920) 926-8332 Dr. Mahmoud Elbadrawy, MDFond Du Lac, WI · $24 in drug and device payments (2025) ·
(920) 926-8200 Dr. Michael Sergi, MDFond Du Lac, WI · No drug or device payments recorded (2025) ·
(920) 907-7000 Dr. Oliver Clements, MDFond Du Lac, WI · $250 in drug and device payments (2025) ·
(920) 926-8420 Dr. Paula Svasta, MDFond Du Lac, WI · No drug or device payments recorded (2025) · Telehealth ·
(920) 926-8420 Dr. Punit Kumar, MDFond Du Lac, WI · No drug or device payments recorded (2025) · Telehealth ·
(920) 926-8420 Dr. Radhika Raj, MDFond Du Lac, WI · No drug or device payments recorded (2025) ·
(920) 926-8420 Dr. Radu Pirvanescu, MDFond Du Lac, WI · No drug or device payments recorded (2025) ·
(920) 926-8420 Dr. Robert Grass, MDFond Du Lac, WI · No drug or device payments recorded (2025) ·
(920) 926-8615 Dr. Ryan Butcher, DOFond Du Lac, WI · $533 in drug and device payments (2025) ·
(920) 926-5020 Dr. Ailleen Alquinto Anonuevo, M.D.Fort Atkinson, WI · No drug or device payments recorded (2025) ·
(920) 568-5000 Dr. Jennifer Klenske, MDFort Atkinson, WI · No drug or device payments recorded (2025) ·
(920) 568-5000 Dr. Jennifer Winter, MDFort Atkinson, WI · No drug or device payments recorded (2025) ·
(920) 563-5500 Dr. Kenneth Miller, MDFort Atkinson, WI · No drug or device payments recorded (2025) ·
(920) 568-6090 Dr. Laura Koenig, M.D.Fort Atkinson, WI · No drug or device payments recorded (2025) ·
(920) 563-5571 Dr. Monica Sharma, MDFort Atkinson, WI · No drug or device payments recorded (2025) ·
(920) 568-6090 Dr. Nathaniel Fullerton, MDFort Atkinson, WI · No drug or device payments recorded (2025) ·
(920) 568-5411 Dr. Thomas Tackman, MDFort Atkinson, WI · No drug or device payments recorded (2025) ·
(920) 563-5571 Dr. William Cannon, MDFort Atkinson, WI · No drug or device payments recorded (2025) ·
(920) 563-5571 Dr. Dale Schaper, M.D.Franklin, WI · No drug or device payments recorded (2025) · Telehealth ·
(414) 529-9300 Dr. Dorota Wozniewicz, MDFranklin, WI · No drug or device payments recorded (2025) ·
(414) 529-9200 Dr. Fahmina Hussain, M.D.Franklin, WI · $109 in drug and device payments (2025) ·
(414) 325-4920 Dr. Jeffrey Aldred, M.D.Franklin, WI · No drug or device payments recorded (2025) · Telehealth ·
(414) 529-9300 Dr. John Schwab, MDFranklin, WI · $16 in drug and device payments (2025) · Telehealth ·
(414) 325-4940 Dr. Mary Snell, M.D.Franklin, WI · No drug or device payments recorded (2025) ·
(414) 525-1506 Dr. Nalin Soni, MDFranklin, WI · No drug or device payments recorded (2025) ·
(414) 325-4930 Dr. Ronald Cohen, M.D.Franklin, WI · No drug or device payments recorded (2025) · Telehealth ·
(414) 529-9300 Dr. Saleem Aman, MDFranklin, WI · $484 in drug and device payments (2025) · Telehealth ·
(414) 325-4930 Dr. Sandra Scalzitti, M.D.Franklin, WI · $48 in drug and device payments (2025) · Telehealth ·
(414) 425-7000 Dr. Steve Kim, MDFranklin, WI · No drug or device payments recorded (2025) ·
(414) 247-9005 Dr. Vinodkumar Shah, MDFranklin, WI · $219 in drug and device payments (2025) · Telehealth ·
(414) 325-4930 Dr. David Lenz, MDFreedom, WI · No drug or device payments recorded (2025) ·
(920) 739-1323 Dr. Alicia-maria Fernandez, D.O.Friendship, WI · No drug or device payments recorded (2025) ·
(608) 339-3331 Dr. Albert Dietz, MDGenoa City, WI · No drug or device payments recorded (2025) ·
(262) 279-0722 Dr. Avi Bernstein, MDGermantown, WI · No drug or device payments recorded (2025) · Telehealth ·
(262) 250-7800 Dr. Christopher WeberGermantown, WI · $28,499 in drug and device payments (2025) · Telehealth ·
(262) 250-7800 Dr. Megan Rotzenberg, M.D.Germantown, WI · $28 in drug and device payments (2025) ·
(262) 250-7800 Dr. Stephanie Momper, MDGermantown, WI · $18 in drug and device payments (2025) ·
(262) 250-7800 Dr. Lisa Benson, MDGlendale, WI · No drug or device payments recorded (2025) ·
(414) 465-3720 Dr. Primo Tamayo, M.D.Glendale, WI · No drug or device payments recorded (2025) ·
(414) 461-9250 Dr. Robert Fisher, M.D.Glendale, WI · No drug or device payments recorded (2025) ·
(262) 784-5431 Dr. Adine Rodemeyer, MDGrafton, WI · No drug or device payments recorded (2025) ·
(262) 329-1000 Dr. Amanda Olstinski, MDGrafton, WI · No drug or device payments recorded (2025) ·
(262) 329-1000 Dr. Anthony Nashid, DOGrafton, WI · No drug or device payments recorded (2025) ·
(262) 375-3700 Dr. Ashwini Gundelly, M.D.Grafton, WI · No drug or device payments recorded (2025) ·
(262) 375-3700 Dr. Beatrice Hoolboom, MDGrafton, WI · No drug or device payments recorded (2025) ·
(262) 375-3700 Dr. Dana OsburnGrafton, WI · No drug or device payments recorded (2025) ·
(262) 375-3700 Dr. Daniel Attanasio, D.O.Grafton, WI · No drug or device payments recorded (2025) · Telehealth ·
(262) 375-3700 Dr. Domingo Hong, MDGrafton, WI · No drug or device payments recorded (2025) ·
(262) 375-2305 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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