Quick answers
- Which hospitals does Marek Rozynek work at?
- Medicare's official clinician data lists Marek Rozynek at 3 hospitals: Javon Bea Hospital, Northwest Community Hospital 1 and Northwestern Medicine Delnor Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marek Rozynek see patients?
- Medicare's clinician data lists 8 practice locations, including Grand Rapids, MI, Evanston, IL and Geneva, IL. Call before your visit to confirm the address.
- What is Marek Rozynek's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Marek Rozynek accept Medicare assignment?
- Yes. Medicare's clinician data says Marek Rozynek 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 Marek Rozynek?
- (616) 885-5000, as listed in official Medicare / NPI Registry data.
- What is Marek Rozynek's NPI number?
- 1548243017. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marek Rozynek works
Medicare's Facility Affiliation Data lists Marek Rozynek at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Javon Bea HospitalRockford, IL · Acute Care Hospital · closed, according to its website · CCN 140239
- Northwest Community Hospital 1Arlington Heights, IL · Acute Care Hospital · CCN 140252
- Northwestern Medicine Delnor Community HospitalGeneva, IL · Acute Care Hospital · CCN 140211
Practice locations
Addresses where Marek Rozynek is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 1840 Wealthy St SE, Corewell Health Medical Group WestGrand Rapids, MI 49506 (616) 885‑5000
- 2650 Ridge AveEvanston, IL 60201
- 300 Randall RdGeneva, IL 60134 (630) 208‑4060
- 304 Randall RdGeneva, IL 60134
- 4444 Kalamazoo Ave SE, 200 Corewell Health Medical Group WestKentwood, MI 49508 (616) 391‑5600
Group practices
Medicare enrollment lists Marek Rozynek as a member of these groups (CMS data updated 2026-10-02).
- Northwestern Medical Faculty Foundation4,503 clinicians in the group
- Endeavor Health Medical Group3,350 clinicians in the group
- Spectrum Health Primary Care Partners2,294 clinicians in the group
- Rockford Health Physicians521 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548243017 |
| 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