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Internal Medicine Providers in Owatonna, MN

Browse 7 Internal Medicine providers listed in NPPES with a practice address in Owatonna, Minnesota.

7 Healthcare Providers

How Owatonna compares with the U.S.

7 active clinicians in Internal Medicine list a practice address in Owatonna, MN in the NPI registry.

With fewer than 10 clinicians, rates per 100,000 residents are not reliable enough to compare.

Too few clinicians in Internal Medicine in Owatonna are listed in the CMS Medicare file to report Medicare assignment or telehealth shares.

These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.

Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com ยท Methodology

Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026.

Showing 1โ€“7 of 7 providers
With recent CMS data first, then Aโ€“Z

Dr. Megan Danielle Anthony , DO

Internal Medicine

Active NPI Status
202 N Cedar Ave Ste 1, Owatonna, MN 550602306
Phone: 3603752240
NPI Identifier 1972130847
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Dr. Sarah Catherine Gantert , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
2200 Nw 26th St, Owatonna, MN 550605503
Phone: 5074511120
NPI Identifier 1992765648
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Dr. Harold John Paul Hellweg , DO

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
2200 Nw 26th St, Owatonna, MN 550605503
Phone: 5074445055
NPI Identifier 1790071231
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Dr. Jean Lenz , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
2200 Nw 26th St, Owatonna, MN 55060
Phone: 5074511120
NPI Identifier 1588044051
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Dr. Charles R Sandhofer , MD

Internal Medicine

Active NPI Status
2200 Nw 26th St, Owatonna, MN 550605503
Phone: 5074511120
NPI Identifier 1053372268
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Dr. Carol Jean Winter , MD

Internal Medicine

Active NPI Status
2200 Nw 26th St, Owatonna, MN 550605503
Phone: 5074511120
NPI Identifier 1871554089
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Dr. Ralph D Wertwijn , MD

Internal Medicine

Active NPI Status
2023 Linn Dr, Owatonna, MN 550604212
Phone: 5074550067
NPI Identifier 1538129283
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Frequently Asked Questions about Internal Medicine in Owatonna

How do I check a Internal Medicine practitioner's license?

Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the Minnesota licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.

Why is a practitioner missing from this list?

This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.

Other Specialties in Owatonna

Internal Medicine Providers in Other Minnesota Cities

Cities with the most listed practitioners first.