Quick answers
- Which hospitals does Elizabeth M. Olszewski work at?
- Medicare's official clinician data lists Elizabeth M. Olszewski at 1 hospital: Oaklawn Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Elizabeth M. Olszewski see patients?
- Medicare's clinician data lists 2 practice locations, including Eaton Rapids, MI and Marshall, MI. Call before your visit to confirm the address.
- What is Elizabeth M. Olszewski's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Elizabeth M. Olszewski accept Medicare assignment?
- Yes. Medicare's clinician data says Elizabeth M. Olszewski 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 Elizabeth M. Olszewski?
- (269) 781-4271, as listed in official Medicare / NPI Registry data.
- What is Elizabeth M. Olszewski's NPI number?
- 1700615507. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Elizabeth M. Olszewski works
Medicare's Facility Affiliation Data lists Elizabeth M. Olszewski at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Oaklawn HospitalMarshall, MI · Acute Care Hospital · CCN 230217
Practice locations
Addresses where Elizabeth M. Olszewski is enrolled with Medicare (CMS data updated 2026-10-02).
- 1500 S Main StEaton Rapids, MI 48827
- 200 N Madison StMarshall, MI 49068 (269) 781‑4271
Group practices
Medicare enrollment lists Elizabeth M. Olszewski as a member of these groups (CMS data updated 2026-10-02).
- Ella E M Brown Charitable Circle170 clinicians in the group
- Eaton Rapids Medical Center32 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Eaton Rapids
Clinicians with the same Medicare primary specialty in Eaton Rapids, MI — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700615507 |
| 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