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. Leah Nitke, DO
Green Bay, WI · No drug or device payments recorded (2025) · Telehealth · (920) 288-8100
Dr. Lee Klemens, MD
Green Bay, WI · No drug or device payments recorded (2025) · (920) 496-4700
Dr. Lorraine Jackson, MD
Green Bay, WI · No drug or device payments recorded (2025) · Telehealth · (920) 496-4700
Dr. Marzenna Schoeneich, MD
Green Bay, WI · $17 in drug and device payments (2025) · (920) 327-7300
Dr. Mazen Alkhalisy, MD
Green Bay, WI · No drug or device payments recorded (2025) · (920) 433-3784
Dr. Michael Gallagher, M.D.
Green Bay, WI · No drug or device payments recorded (2025) · (920) 497-3126
Dr. Michael Swift, M.D.
Green Bay, WI · No drug or device payments recorded (2025) · (920) 445-7226
Dr. Mohannad Yousef, MD
Green Bay, WI · No drug or device payments recorded (2025) · (920) 496-4700
Dr. Muneebah Sohaib, MD
Green Bay, WI · No drug or device payments recorded (2025) · (920) 288-8000
Dr. Naveen Gupta, M.D.
Green Bay, WI · No drug or device payments recorded (2025) · (920) 445-7222
Dr. Nicholas Heezen, D.O.
Green Bay, WI · $25 in drug and device payments (2025) · (920) 327-7300
Dr. Osama Nusrat, M.D.
Green Bay, WI · No drug or device payments recorded (2025) · (920) 433-0111
Dr. Patricia Sias, M.D.
Green Bay, WI · No drug or device payments recorded (2025) · (920) 496-7770
Dr. Paul Pritchard, MD
Green Bay, WI · $109 in drug and device payments (2025) · (920) 496-4700
Dr. Paul Schmitz, MD
Green Bay, WI · No drug or device payments recorded (2025) · (920) 496-4700
Dr. Quan Ai, MD
Green Bay, WI · No drug or device payments recorded (2025) · (920) 496-4700
Dr. R Davis, MD
Green Bay, WI · No drug or device payments recorded (2025) · (920) 433-7516
Dr. Richard Erdman, M.D.
Green Bay, WI · No drug or device payments recorded (2025) · (920) 433-3456
Dr. Richard Greene, MD
Green Bay, WI · No drug or device payments recorded (2025) · (920) 327-7300
Dr. Richard Poirier, D.O.
Green Bay, WI · No drug or device payments recorded (2025) · (920) 327-7300
Dr. Richmond Gyamfi, MD
Green Bay, WI · No drug or device payments recorded (2025) · Telehealth · (920) 498-4200
Dr. Riley Meyer, D.O.
Green Bay, WI · No drug or device payments recorded (2025) · (920) 288-4060
Dr. Ryan Hughson, DO
Green Bay, WI · $95 in drug and device payments (2025) · (920) 433-3500
Dr. Steven Bollom, MD
Green Bay, WI · No drug or device payments recorded (2025) · (920) 496-4700
Dr. Thomas Leonard, M.D.
Green Bay, WI · $23 in drug and device payments (2025) · (920) 468-8288
Dr. Vaishali Gala, MD
Green Bay, WI · $380 in drug and device payments (2025) · (920) 496-4700
Dr. William Predun, MD
Green Bay, WI · No drug or device payments recorded (2025) · (917) 593-8973
Dr. Yaw Berko, MD
Green Bay, WI · $17 in drug and device payments (2025) · (920) 496-4700
Dr. Yongsub Choi
Green Bay, WI · No drug or device payments recorded (2025) · (920) 433-3500
Dr. Anil Garg, MD
Greendale, WI · No drug or device payments recorded (2025) · (414) 423-7199
Dr. John Lubing, M.D.
Greendale, WI · No drug or device payments recorded (2025) · (414) 423-0555
Dr. Mohsin Altaf, MD
Greendale, WI · No drug or device payments recorded (2025) · (773) 754-5538
Dr. Randy Mathewson, M.D.
Greendale, WI · No drug or device payments recorded (2025) · (414) 423-0555
Dr. Adam Pampori, MD
Greenfield, WI · No drug or device payments recorded (2025) · (414) 325-5244
Dr. Amel Tobaa, MD
Greenfield, WI · $524 in drug and device payments (2025) · (414) 325-5244
Dr. Cheryl Dominski, M.D.
Greenfield, WI · No drug or device payments recorded (2025) · (414) 282-7444
Dr. Heidi Harkins, MD
Greenfield, WI · No drug or device payments recorded (2025) · (414) 421-8400
Dr. Ismael Abu Limon, MD
Greenfield, WI · $15 in drug and device payments (2025) · Telehealth · (414) 847-7080
Dr. Jacob Jewulski, MD
Greenfield, WI · $147 in drug and device payments (2025) · (414) 325-5244
Dr. Lindsay Jo Hang, M.D.
Greenfield, WI · No drug or device payments recorded (2025) · (414) 421-8400
Dr. Manoj Mody, M.D.
Greenfield, WI · $125 in drug and device payments (2025) · (414) 321-8662
Dr. Michael Girolami, M.D.
Greenfield, WI · No drug or device payments recorded (2025) · (414) 421-8400
Dr. Prasanta Lahiri, MD
Greenfield, WI · No drug or device payments recorded (2025) · (414) 281-1688
Dr. Robert Brueggeman, M.D.
Greenfield, WI · No drug or device payments recorded (2025) · (414) 282-7444
Dr. Ryan Holzmacher, MD
Greenfield, WI · No drug or device payments recorded (2025) · (414) 301-3531
Dr. Suhaib Elobaid, M.D
Greenfield, WI · No drug or device payments recorded (2025) · (919) 949-2654
Dr. Mark Clemence, M.D.
Hales Corners, WI · No drug or device payments recorded (2025) · Telehealth · (414) 425-5351
Dr. David Chen, MD
Hartford, WI · No drug or device payments recorded (2025) · (262) 670-4000
Dr. Edward Cooney, M.D.
Hartford, WI · No drug or device payments recorded (2025) · (262) 670-1800
Dr. Jin Yu, M.D.
Hartford, WI · No drug or device payments recorded (2025) · (262) 673-2300

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.