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Internal Medicine

Steven J. Wisniewski, MD

Works at hospitals in Charlevoix, MI · Kalkaska, MI · Grayling, MI … · Michigan

Summary

Steven J. Wisniewski, MD (Internal Medicine) is listed by Medicare at 5 hospitals in Charlevoix, MI, Kalkaska, MI and Grayling, MI and other places. NPI 1104851658. 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 Steven J. Wisniewski, 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
42Years since medical school (graduated 1984)
Michigan State University College Of Human MedicineMedical school
MaleGender (as listed)
Munson Healthcare Otsego Memorial HospitalGroup practice

Quick answers

Which hospitals does Steven J. Wisniewski work at?
Medicare's official clinician data lists Steven J. Wisniewski at 5 hospitals: Charlevoix Area Hospital, Kalkaska Memorial Health Center, Munson Healthcare Grayling Hospital, Munson Healthcare Otsego Memorial Hospital and University of Michigan Health System. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Steven J. Wisniewski see patients?
Medicare's clinician data lists 1 practice location in Gaylord, MI. Call before your visit to confirm the address.
What is Steven J. Wisniewski's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Steven J. Wisniewski accept Medicare assignment?
Yes. Medicare's clinician data says Steven J. Wisniewski 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 Steven J. Wisniewski's NPI number?
1104851658. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Steven J. Wisniewski works

Medicare's Facility Affiliation Data lists Steven J. Wisniewski 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 Steven J. Wisniewski is enrolled with Medicare (CMS data updated 2026-10-02).

  • 1996 Walden, Otsego County Memorial HospitalGaylord, MI 49735

Group practices

Medicare enrollment lists Steven J. Wisniewski as a member of this group (CMS data updated 2026-10-02).

  • Munson Healthcare Otsego Memorial Hospital120 clinicians in the group

Specialties

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Gaylord

Clinicians with the same Medicare primary specialty in Gaylord, MI — not a recommendation.

All internal medicine doctors in Gaylord →

Clinician information

CredentialMD
Medical schoolMichigan State University College Of Human Medicine
Graduation year1984
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1104851658
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