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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. Jessica Marshall, M.D.
Marshfield, WI · No drug or device payments recorded (2025) · (855) 513-9050
Dr. Jian Khamo-soskos, M.D.
Marshfield, WI · No drug or device payments recorded (2025) · Telehealth · (715) 387-5511
Dr. John Olson, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5755
Dr. John Parker, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5853
Dr. Jonathon Forncrook, DO
Marshfield, WI · No drug or device payments recorded (2025) · (715) 389-3141
Dr. Jung Gyu Chi, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5501
Dr. Katherine Reimer, MD
Marshfield, WI · No drug or device payments recorded (2025) · (171) 538-7526
Dr. Kenneth Engelhart, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5704
Dr. Kristen Polga, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5511
Dr. Lalith Akkireddi, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 207-4183
Dr. Lee Cody, MD
Marshfield, WI · No drug or device payments recorded (2025) · Telehealth · (715) 387-5511
Dr. Linda Daly-oneill, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5782
Dr. Lori Remeika, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5782
Dr. Mahrukh Imtiaz, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 751-8997
Dr. Marian Greenburg, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 389-3334
Dr. Matthew Jansen, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5435
Dr. Michael Seelen, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5235
Dr. Mishal Afzal, MD
Marshfield, WI · No drug or device payments recorded (2025) · (866) 520-2510
Dr. Muhammad Ahtesham Khan
Marshfield, WI · No drug or device payments recorded (2025) · (715) 615-1212
Dr. Muhammad Haleem, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5755
Dr. Nadia Rasheed
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5511
Dr. Nirpeksh Jain, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5501
Dr. Parth Bajoria, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5260
Dr. Paul Yeung-lai-wah, M.D.
Marshfield, WI · $6,804 in drug and device payments (2025) · (715) 387-5511
Dr. Qing Xiao, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5501
Dr. Rahaman Mujibur, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5511
Dr. Raj Singh, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5755
Dr. Rama Singh, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5435
Dr. Ravitaj Randhawa
Marshfield, WI · No drug or device payments recorded (2025) · (715) 660-9005
Dr. Rayan Suliman, MD
Marshfield, WI · No drug or device payments recorded (2025) · Telehealth · (715) 387-5511
Dr. Renee Hoynacke, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5782
Dr. Richard Dart, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5345
Dr. Roderick Koehler, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5511
Dr. Ruzhual Man
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5260
Dr. Sagar Patel, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 207-4846
Dr. Sheetal Aatrai, MD
Marshfield, WI · No drug or device payments recorded (2025) · Telehealth · (614) 680-3352
Dr. Sherine Parimanath, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5437
Dr. Tanveen Kaur Gill, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5260
Dr. Tekabe Birhane, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5511
Dr. Tula Haldes, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5879
Dr. Urszula Moldysz, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 389-3334
Dr. Virendra Varia, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5284
Dr. Wayne Thorne, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 389-3334
Dr. Zainab Rauf, MD
Marshfield, WI · No drug or device payments recorded (2025) · (630) 360-7773
Dr. Kevin Butterfield, DO
Mauston, WI · $22 in drug and device payments (2025) · (608) 847-5000
Dr. Edward Scanlan, MD
Menasha, WI · No drug or device payments recorded (2025) · (920) 727-5633
Dr. Michael Madden, MD
Menasha, WI · No drug or device payments recorded (2025) · (920) 731-7445
Dr. Adam Sternberg, M.D.
Menomonee Falls, WI · No drug or device payments recorded (2025) · (262) 251-1000
Dr. Ana Caban Cardona, M.D.
Menomonee Falls, WI · No drug or device payments recorded (2025) · Telehealth · (262) 253-2510
Dr. Anthony Otters, MD
Menomonee Falls, WI · No drug or device payments recorded (2025) · (262) 253-2510

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.