Internal Medicine in Winona, Minnesota
Data updated monthly · Last refresh September 2026
11 Internal Medicine providers practice in Winona. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Winona
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. Andrew Edin, MDWinona, MN · No drug or device payments recorded (2025) ·
(507) 454-3680 Dr. Arnold Fenske, MDWinona, MN · No drug or device payments recorded (2025) ·
(507) 454-3680 Dr. Charles Shepard, MDWinona, MN · No drug or device payments recorded (2025) ·
(507) 454-3680 Dr. Dennis Nolan, MDWinona, MN · No drug or device payments recorded (2025) ·
(507) 454-3680 Dr. Horace Andersen, MN 18091Winona, MN · No drug or device payments recorded (2025) ·
(507) 454-5895 Dr. Jacob Thomas, MDWinona, MN · No drug or device payments recorded (2025) ·
(507) 454-3650 Dr. John Mulrooney, MDWinona, MN · No drug or device payments recorded (2025) ·
(507) 454-3680 Dr. Joseph Kaiya, MDWinona, MN · No drug or device payments recorded (2025) ·
(507) 454-3650 Dr. Katrina Hammel, M.D.Winona, MN · No drug or device payments recorded (2025) ·
(507) 454-3650 Dr. Richard Ferris, MDWinona, MN · No drug or device payments recorded (2025) ·
(507) 454-3680 Dr. Robert Neilson, M.D.Winona, MN · No drug or device payments recorded (2025) ·
(507) 454-3650 Conditions Internal Medicine providers in Winona, Minnesota 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 Winona, Minnesota?There are 11 Internal Medicine providers with active NPI records practicing in Winona, according to federal NPPES data refreshed monthly.
What conditions do Internal Medicine providers in Winona treat?Internal Medicine providers in Winona 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 Winona Internal Medicine across Minnesota
