Internal Medicine in Waukesha, Wisconsin
Data updated monthly · Last refresh September 2026
41 Internal Medicine providers practice in Waukesha, and 20% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Waukesha
Listed alphabetically. 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. 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, MDWaukesha, WI · No drug or device payments recorded (2025) ·
(262) 928-5400 Dr. Brad Malehorn, DOWaukesha, 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, DOWaukesha, 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, MDWaukesha, WI · No drug or device payments recorded (2025) ·
(262) 928-5400 Dr. Debra Muggler, M.D.Waukesha, WI · No drug or device payments recorded (2025) ·
(262) 696-5690 Dr. Dennis Zaide, M.D.Waukesha, WI · No drug or device payments recorded (2025) ·
(262) 352-5700 Dr. Gerald Berman, M.D.Waukesha, WI · No drug or device payments recorded (2025) ·
(262) 542-9531 Dr. Greg Brown, MDWaukesha, WI · No drug or device payments recorded (2025) ·
(262) 522-8640 Dr. Jamey Jick, MDWaukesha, WI · No drug or device payments recorded (2025) ·
(262) 549-3030 Dr. John Fish, M.D.Waukesha, WI · No drug or device payments recorded (2025) ·
(262) 646-3030 Dr. Jonathan Bodager, M.D.Waukesha, WI · No drug or device payments recorded (2025) ·
(262) 928-5400 Dr. Kavisha Gandhi, MDWaukesha, WI · No drug or device payments recorded (2025) ·
(262) 928-1000 Dr. Keshni Ramnanan, M.D.Waukesha, WI · $153 in drug and device payments (2025) ·
(262) 875-5070 Dr. Kieran Mcavoy, MDWaukesha, WI · $125 in drug and device payments (2025) · Telehealth ·
(262) 875-5070 Dr. Leslie Thompson, MDWaukesha, WI · $760 in drug and device payments (2025) ·
(262) 928-1000 Dr. Margaret BarrettWaukesha, WI · No drug or device payments recorded (2025) ·
(262) 896-6000 Dr. Mark Roznik, M.D.Waukesha, WI · No drug or device payments recorded (2025) ·
(262) 549-3030 Dr. Martin Kern, MDWaukesha, WI · No drug or device payments recorded (2025) ·
(262) 542-9531 Dr. Melissa Kalt, MDWaukesha, WI · No drug or device payments recorded (2025) ·
(262) 532-5700 Dr. Paul O'neill, M.D.Waukesha, WI · No drug or device payments recorded (2025) ·
(262) 549-3030 Dr. Peter Geiss, M.D.Waukesha, WI · No drug or device payments recorded (2025) ·
(262) 928-4100 Dr. Prachi Pophali, MDWaukesha, WI · $19 in drug and device payments (2025) ·
(262) 928-5400 Dr. Reyhan Demircioglu, MDWaukesha, WI · No drug or device payments recorded (2025) · Telehealth ·
(262) 928-7555 Dr. Robert Krippendorf, MDWaukesha, WI · No drug or device payments recorded (2025) ·
(262) 696-0808 Dr. Roman Pyasta, MDWaukesha, WI · No drug or device payments recorded (2025) ·
(262) 896-6000 Dr. Sarfraz Sidhu, M.D.Waukesha, WI · $29 in drug and device payments (2025) ·
(262) 875-5070 Dr. Sarita Makhija, M.D.Waukesha, WI · No drug or device payments recorded (2025) ·
(262) 574-8000 Dr. Surendra Patel, M.D.Waukesha, WI · $162 in drug and device payments (2025) ·
(262) 875-5070 Dr. Thomas Cantieri, M.D.Waukesha, WI · No drug or device payments recorded (2025) ·
(262) 928-7555 Dr. Thomas Dougherty, MDWaukesha, WI · No drug or device payments recorded (2025) ·
(262) 542-9531 Dr. Thomas Gallagher, M.D.Waukesha, WI · $35 in drug and device payments (2025) ·
(262) 574-8000 Dr. Timothy Mcavoy, MDWaukesha, WI · $125 in drug and device payments (2025) ·
(262) 547-0000 Dr. Uma Thirumakizhmaran, M.D.Waukesha, WI · No drug or device payments recorded (2025) ·
(262) 549-3030 Dr. Wendy Cooper, M.D.Waukesha, WI · No drug or device payments recorded (2025) ·
(262) 549-3030 Dr. Whitney Hoffmann, DOWaukesha, WI · No drug or device payments recorded (2025) ·
(262) 875-4521 Dr. William Boehm, M.D.Waukesha, WI · No drug or device payments recorded (2025) ·
(262) 549-3030 Dr. William Lutz, MDWaukesha, WI · No drug or device payments recorded (2025) ·
(262) 928-7555 Conditions Internal Medicine providers in Waukesha, 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 Waukesha, Wisconsin?There are 41 Internal Medicine providers with active NPI records practicing in Waukesha, according to federal NPPES data refreshed monthly.
How many Internal Medicine providers in Waukesha received drug or device company payments?8 of 41 (20%) 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 Waukesha treat?Internal Medicine providers in Waukesha 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 records 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.
All specialties in Waukesha Internal Medicine across Wisconsin