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Internal Medicine

John M. Peitersen, MD

Works at hospitals in Minneapolis, MN · Le Sueur, MN · Waconia, MN … · Minnesota

Summary

John M. Peitersen, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Minneapolis, MN, Le Sueur, MN and Waconia, MN and other places. NPI 1295858223. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about John M. Peitersen, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
22Years since medical school (graduated 2004)
University Of Minnesota Medical SchoolMedical school
MaleGender (as listed)
Ridgeview Medical CenterGroup practice

Quick answers

Which hospitals does John M. Peitersen work at?
Medicare's official clinician data lists John M. Peitersen at 4 hospitals: Abbott Northwestern Hospital, Minnesota Valley Health Center Inc, Ridgeview Medical Center and Ridgeview Sibley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John M. Peitersen see patients?
Medicare's clinician data lists 5 practice locations, including Waconia, MN, Arlington, MN and Le Sueur, MN. Call before your visit to confirm the address.
What is John M. Peitersen's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does John M. Peitersen accept Medicare assignment?
Yes. Medicare's clinician data says John M. Peitersen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for John M. Peitersen?
(952) 442-2191, as listed in official Medicare / NPI Registry data.
What is John M. Peitersen's NPI number?
1295858223. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John M. Peitersen works

Medicare's Facility Affiliation Data lists John M. Peitersen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where John M. Peitersen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John M. Peitersen as a member of this group (CMS data updated 2026-10-02).

  • Ridgeview Medical Center412 clinicians in the group

Specialties

Find other Internal Medicine doctors in Minnesota →

Other internal medicine doctors in Waconia

Clinicians with the same Medicare primary specialty in Waconia, MN — not a recommendation.

All internal medicine doctors in Waconia →

Clinician information

CredentialMD
Medical schoolUniversity Of Minnesota Medical School
Graduation year2004
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1295858223
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians