Internal Medicine in Wausau, Wisconsin
Data updated monthly · Last refresh September 2026
26 Internal Medicine providers practice in Wausau, and 19% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Wausau
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. Dale Anderson, MDWausau, WI · No drug or device payments recorded (2025) ·
(715) 847-3269 Dr. Daljeet Rishi, MDWausau, WI · No drug or device payments recorded (2025) ·
(715) 847-2121 Dr. David Aughenbaugh, MDWausau, WI · No drug or device payments recorded (2025) ·
(715) 847-3265 Dr. Elizabeth Roe, DOWausau, WI · No drug or device payments recorded (2025) ·
(734) 546-6126 Dr. Erik Anderson, MDWausau, WI · No drug or device payments recorded (2025) ·
(715) 847-2004 Dr. Girish Shah, MBBSWausau, WI · No drug or device payments recorded (2025) ·
(800) 283-2881 Dr. Grace Laynes, MDWausau, WI · No drug or device payments recorded (2025) ·
(715) 387-5436 Dr. Ivan Schaller, MDWausau, WI · No drug or device payments recorded (2025) ·
(715) 847-3000 Dr. James Cygan, MDWausau, WI · $166 in drug and device payments (2025) · Telehealth ·
(715) 847-2480 Dr. Joshua Denk, MDWausau, WI · No drug or device payments recorded (2025) ·
(800) 283-2881 Dr. Kris Lahren, MDWausau, WI · No drug or device payments recorded (2025) ·
(715) 847-2480 Dr. Logan Stern, DOWausau, WI · No drug or device payments recorded (2025) ·
(715) 847-2121 Dr. Lopa Kabir Islam, MDWausau, WI · No drug or device payments recorded (2025) · Telehealth ·
(715) 847-3251 Dr. Mark Richetto, MDWausau, WI · No drug or device payments recorded (2025) · Telehealth ·
(715) 847-3381 Dr. Mary Freeman, MDWausau, WI · No drug or device payments recorded (2025) ·
(715) 847-2036 Dr. Matthew Clark, MDWausau, WI · No drug or device payments recorded (2025) ·
(715) 847-2004 Dr. Michael Blick, MDWausau, WI · No drug or device payments recorded (2025) ·
(715) 847-2262 Dr. Riccardo Barani, MDWausau, WI · No drug or device payments recorded (2025) ·
(715) 847-2004 Dr. Rick Reding, MDWausau, WI · No drug or device payments recorded (2025) ·
(715) 847-2004 Dr. Solomon Zerga, MDWausau, WI · No drug or device payments recorded (2025) ·
(571) 303-8255 Dr. William Bowler, MDWausau, WI · No drug or device payments recorded (2025) ·
(715) 847-3181 Dr. William Dernbach, MDWausau, WI · No drug or device payments recorded (2025) ·
(715) 847-3271 Conditions Internal Medicine providers in Wausau, 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 Wausau, Wisconsin?There are 26 Internal Medicine providers with active NPI records practicing in Wausau, according to federal NPPES data refreshed monthly.
How many Internal Medicine providers in Wausau received drug or device company payments?5 of 26 (19%) 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 Wausau treat?Internal Medicine providers in Wausau 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 Wausau Internal Medicine across Wisconsin
