HealthcareDiscovery.AI / Doctors / Wisconsin / Internal Medicine

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 in Madison411 providers
Internal Medicine in Milwaukee383 providers
Internal Medicine in La Crosse113 providers
Internal Medicine in Green Bay68 providers
Internal Medicine in Marshfield65 providers
Internal Medicine in Eau Claire55 providers
Internal Medicine in Wauwatosa45 providers
Internal Medicine in Menomonee Falls42 providers
Internal Medicine in Waukesha41 providers
Internal Medicine in Appleton40 providers
Internal Medicine in Brookfield40 providers
Internal Medicine in West Allis32 providers
Internal Medicine in Kenosha31 providers
Internal Medicine in Wausau26 providers
Internal Medicine in Mequon25 providers
Internal Medicine in Oshkosh25 providers
Internal Medicine in Neenah23 providers
Internal Medicine in Janesville22 providers
Internal Medicine in Sheboygan22 providers
Internal Medicine in Fond Du Lac19 providers
Internal Medicine in Grafton19 providers
Internal Medicine in Racine17 providers
Internal Medicine in West Bend17 providers
Internal Medicine in New Berlin17 providers

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. Tulay Aksoy, MD
Summit, WI · No drug or device payments recorded (2025) · (262) 434-1000
Dr. Bruce Baranski, M.D.
Sun Prairie, WI · No drug or device payments recorded (2025) · (608) 445-2371
Dr. Gregory Motl, MD
Sun Prairie, WI · No drug or device payments recorded (2025) · (608) 825-3008
Dr. Jodi Punke, DO
Sun Prairie, WI · No drug or device payments recorded (2025) · (608) 825-3500
Dr. Keith Cooper, DO
Sun Prairie, WI · No drug or device payments recorded (2025) · (608) 825-3500
Dr. Kevin Chanil Park, M.D.
Sun Prairie, WI · $23 in drug and device payments (2025) · (702) 994-2958
Dr. Leo Schug, MD
Sun Prairie, WI · No drug or device payments recorded (2025) · Telehealth · (608) 825-3008
Dr. Michele Newquist, MD
Sun Prairie, WI · No drug or device payments recorded (2025) · (608) 825-3500
Dr. Eric Gutscher, MD
Superior, WI · No drug or device payments recorded (2025) · (715) 392-9711
Dr. George Holliday
Superior, WI · No drug or device payments recorded (2025) · Telehealth · (715) 395-5454
Dr. Georgia Brunette
Superior, WI · No drug or device payments recorded (2025) · (715) 395-5454
Dr. Jerzy Andrzejewski
Superior, WI · No drug or device payments recorded (2025) · (715) 392-9711
Dr. Sarojini Sharma
Superior, WI · No drug or device payments recorded (2025) · (715) 395-5454
Dr. David Tick, M.D.
Thiensville, WI · $235 in drug and device payments (2025) · (262) 241-5414
Dr. Thomas Looze, MD
Thorp, WI · No drug or device payments recorded (2025) · (715) 669-7279
Dr. Bradley Bekkum, MD
Tomah, WI · No drug or device payments recorded (2025) · (608) 372-3971
Dr. Bruno Rios, MD
Tomah, WI · $119 in drug and device payments (2025) · (608) 372-3971
Dr. Craig Saltzgiver, M.D.
Tomah, WI · No drug or device payments recorded (2025) · (608) 372-3971
Dr. Katherine Kostamo, MD
Tomah, WI · No drug or device payments recorded (2025) · (608) 372-1169
Dr. Richard Bailey, M.D.
Tomah, WI · No drug or device payments recorded (2025) · (608) 372-3971
Dr. Rick Erdman, MD
Tomah, WI · No drug or device payments recorded (2025) · Telehealth · (608) 372-4111
Dr. David Kim, MD
Tomahawk, WI · $58 in drug and device payments (2025) · (920) 217-2808
Dr. Kristin Cassidy, MD
Twin Lakes, WI · No drug or device payments recorded (2025) · Telehealth · (262) 877-2124
Dr. Alfredo Diaz, MD
Two Rivers, WI · No drug or device payments recorded (2025) · (920) 793-2281
Dr. Cedric Thayer, MD
Two Rivers, WI · No drug or device payments recorded (2025) · (920) 793-2281
Dr. Dale Asche, M.D.
Two Rivers, WI · No drug or device payments recorded (2025) · (920) 242-7202
Dr. Emil Pajek, M.D.
Two Rivers, WI · No drug or device payments recorded (2025) · (920) 794-5125
Dr. Neil Patterson, DO
Two Rivers, WI · No drug or device payments recorded (2025) · (920) 793-7400
Dr. Richard Theobald, MD
Two Rivers, WI · No drug or device payments recorded (2025) · (920) 793-7300
Dr. Samuel Ballard, DO
Two Rivers, WI · $62 in drug and device payments (2025) · Telehealth · (920) 320-2436
Dr. Shanti Timilsina, MD
Two Rivers, WI · No drug or device payments recorded (2025) · (920) 794-5000
Dr. Tresa Teehan, MD
Two Rivers, WI · $30 in drug and device payments (2025) · Telehealth · (920) 793-7400
Dr. Aileen Benjakul, MD
Union Grove, WI · No drug or device payments recorded (2025) · (262) 878-7001
Dr. Anne Schlimgen, MD
Union Grove, WI · No drug or device payments recorded (2025) · (414) 878-7001
Dr. Barbara Stowe-carpenter, MD
Verona, WI · No drug or device payments recorded (2025) · (608) 845-8634
Dr. Lisa Kaufman, MD
Verona, WI · No drug or device payments recorded (2025) · Telehealth · (608) 826-6800
Dr. Alok Srivastava, MD
Waterford, WI · No drug or device payments recorded (2025) · (262) 514-3700
Dr. Satish Lahiri, MD
Waterford, WI · No drug or device payments recorded (2025) · (262) 514-3700
Dr. Alan Detwiler, MD
Watertown, WI · No drug or device payments recorded (2025) · (920) 262-4210
Dr. Edward Frost, MD
Watertown, WI · No drug or device payments recorded (2025) · (262) 928-5100
Dr. Mohamed Yafai, MD
Watertown, WI · No drug or device payments recorded (2025) · (920) 262-9833
Dr. Zachary Richardson, MD
Watertown, WI · No drug or device payments recorded (2025) · (920) 245-5741
Dr. Aggeliki Zikos, M.D.
Waukesha, WI · No drug or device payments recorded (2025) · Telehealth · (262) 532-5700
Dr. Ashish Verma, M.D.
Waukesha, WI · No drug or device payments recorded (2025) · (262) 928-8610
Dr. Binod Khadka, MD
Waukesha, WI · No drug or device payments recorded (2025) · (262) 928-5400
Dr. Brad Malehorn, DO
Waukesha, WI · No drug or device payments recorded (2025) · (262) 928-1000
Dr. Bruce Berry, M.D.
Waukesha, WI · No drug or device payments recorded (2025) · (262) 532-5700
Dr. Cassandra Edwards, DO
Waukesha, WI · No drug or device payments recorded (2025) · Telehealth · (262) 896-6000
Dr. Christine Wahmhoff, M.D.
Waukesha, WI · No drug or device payments recorded (2025) · (262) 549-3030
Dr. Dean Luu, MD
Waukesha, WI · No drug or device payments recorded (2025) · (262) 928-5400

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.

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.

Related reading on HealthcareDiscovery.AI

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Internal Medicine in Wisconsin? Get featured.