HealthcareDiscovery.AI / Doctors / Minnesota / Owatonna / Internal Medicine

Internal Medicine in Owatonna, Minnesota

Data updated monthly · Last refresh September 2026

7 Internal Medicine providers practice in Owatonna. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Owatonna

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. Carol Winter, MD
Owatonna, MN · No drug or device payments recorded (2025) · (507) 451-1120
Dr. Charles Sandhofer, MD
Owatonna, MN · No drug or device payments recorded (2025) · (507) 451-1120
Dr. Harold Hellweg, D.O.
Owatonna, MN · No drug or device payments recorded (2025) · Telehealth · (507) 444-5055
Dr. Jean Lenz, M.D.
Owatonna, MN · $153 in drug and device payments (2025) · (507) 451-1120
Dr. Megan Anthony, DO
Owatonna, MN · No drug or device payments recorded (2025) · (360) 375-2240
Dr. Ralph Wertwijn, MD
Owatonna, MN · No drug or device payments recorded (2025) · (507) 455-0067
Dr. Sarah Gantert, MD
Owatonna, MN · No drug or device payments recorded (2025) · Telehealth · (507) 451-1120

Conditions Internal Medicine providers in Owatonna, 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.

Common questions

How many Internal Medicine providers are in Owatonna, Minnesota?

There are 7 Internal Medicine providers with active NPI records practicing in Owatonna, according to federal NPPES data refreshed monthly.

What conditions do Internal Medicine providers in Owatonna treat?

Internal Medicine providers in Owatonna 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 Owatonna Internal Medicine across Minnesota

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.