Internal Medicine in Fond Du Lac, Wisconsin
Data updated monthly · Last refresh September 2026
19 Internal Medicine providers practice in Fond Du Lac. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Fond Du Lac
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. Adam Karewicz, MDFond Du Lac, WI · No drug or device payments recorded (2025) · Telehealth ·
(920) 926-8420 Dr. Balvindar Sareen, MDFond Du Lac, WI · No drug or device payments recorded (2025) ·
(315) 637-7800 Dr. Dana Vasquez, MDFond Du Lac, WI · No drug or device payments recorded (2025) ·
(920) 926-8420 Dr. E Ayala, MDFond Du Lac, WI · No drug or device payments recorded (2025) ·
(920) 921-0560 Dr. Gabriel Litman, MDFond Du Lac, WI · No drug or device payments recorded (2025) ·
(920) 907-7000 Dr. Jay Muller, MDFond Du Lac, WI · No drug or device payments recorded (2025) ·
(920) 926-8420 Dr. Joseph Marik, MDFond Du Lac, WI · No drug or device payments recorded (2025) ·
(920) 926-8420 Dr. Josue Flores Balderas, M.D.Fond Du Lac, WI · No drug or device payments recorded (2025) ·
(920) 907-7000 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 Conditions Internal Medicine providers in Fond Du Lac, 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 Fond Du Lac, Wisconsin?There are 19 Internal Medicine providers with active NPI records practicing in Fond Du Lac, according to federal NPPES data refreshed monthly.
What conditions do Internal Medicine providers in Fond Du Lac treat?Internal Medicine providers in Fond Du Lac 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 Fond Du Lac Internal Medicine across Wisconsin