Quick answers
- Which hospitals does Stefan E. Margiewicz work at?
- Medicare's official clinician data lists Stefan E. Margiewicz at 5 hospitals: Bronson Methodist Hospital, Lakeland Hospital, St Joseph, MyMichigan Medical Center Alpena, MyMichigan Medical Center Midland and Spectrum Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stefan E. Margiewicz see patients?
- Medicare's clinician data lists 1 practice location in Grand Rapids, MI. Call before your visit to confirm the address.
- What is Stefan E. Margiewicz's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Stefan E. Margiewicz accept Medicare assignment?
- Yes. Medicare's clinician data says Stefan E. Margiewicz 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 Stefan E. Margiewicz?
- (616) 363-7272, as listed in official Medicare / NPI Registry data.
- What is Stefan E. Margiewicz's NPI number?
- 1558658120. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stefan E. Margiewicz works
Medicare's Facility Affiliation Data lists Stefan E. Margiewicz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bronson Methodist HospitalKalamazoo, MI · Acute Care Hospital · CCN 230017
- Lakeland Hospital, St JosephSt Joseph, MI · Acute Care Hospital · CCN 230021
- MyMichigan Medical Center AlpenaAlpena, MI · Acute Care Hospital · CCN 230036
- MyMichigan Medical Center MidlandMidland, MI · Acute Care Hospital · CCN 230222
- Spectrum HealthGrand Rapids, MI · Acute Care Hospital · CCN 230038
Practice locations
Addresses where Stefan E. Margiewicz is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Michigan Ave NEGrand Rapids, MI 49503 (616) 363‑7272
Group practices
Medicare enrollment lists Stefan E. Margiewicz as a member of this group (CMS data updated 2026-10-02).
- Advanced Radiology Services PC253 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558658120 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians