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Pathology

Eugene S. Olsowka, MD

Works at hospitals in Saginaw, MI · Cass City, MI · Marlette, MI · Michigan

Summary

Eugene S. Olsowka, MD (Pathology) is listed by Medicare at 3 hospitals in Saginaw, MI, Cass City, MI and Marlette, MI. NPI 1407943871. 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 Eugene S. Olsowka, 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

PathologyPrimary specialty
YesAccepts Medicare assignment
42Years since medical school (graduated 1984)
University Of Illinois College Of Med (chi/peor/rock/chm-Urb)Medical school
MaleGender (as listed)
Covenant Medical Center, Inc.Group practice (+3 more)

Quick answers

Which hospitals does Eugene S. Olsowka work at?
Medicare's official clinician data lists Eugene S. Olsowka at 3 hospitals: Covenant Medical Center, Hills & Dales General Hospital and Marlette Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Eugene S. Olsowka see patients?
Medicare's clinician data lists 5 practice locations, including Saginaw, MI, Pigeon, MI and Marlette, MI. Call before your visit to confirm the address.
What is Eugene S. Olsowka's specialty?
Medicare lists Pathology as the primary specialty.
Does Eugene S. Olsowka accept Medicare assignment?
Yes. Medicare's clinician data says Eugene S. Olsowka 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 Eugene S. Olsowka?
(989) 583-4220, as listed in official Medicare / NPI Registry data.
What is Eugene S. Olsowka's NPI number?
1407943871. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Eugene S. Olsowka works

Medicare's Facility Affiliation Data lists Eugene S. Olsowka 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 Eugene S. Olsowka is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Eugene S. Olsowka as a member of these groups (CMS data updated 2026-10-02).

  • Covenant Medical Center, Inc.480 clinicians in the group
  • Hills and Dales General Hospital Inc64 clinicians in the group
  • Scheurer Hospital50 clinicians in the group
  • Marlette Regional Hospital33 clinicians in the group

Specialties

Find other Pathology doctors in Michigan →

Other pathologists in Saginaw

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

All pathologists in Saginaw →

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year1984
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1407943871
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