Quick answers
- Which hospitals does Mark A. Grevious work at?
- Medicare's official clinician data lists Mark A. Grevious at 5 hospitals: Franciscan Health Olympia & Chicago Heights, Javon Bea Hospital, John H Stroger Jr Hospital, Provident Hospital of Chicago and University of Illinois Hospital and Clinics. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark A. Grevious see patients?
- Medicare's clinician data lists 6 practice locations, including Des Plaines, IL, Chicago, IL and Olympia Fields, IL. Call before your visit to confirm the address.
- What is Mark A. Grevious's specialty?
- Medicare lists Plastic and Reconstructive Surgery as the primary specialty, and also Hand Surgery.
- Does Mark A. Grevious accept Medicare assignment?
- Yes. Medicare's clinician data says Mark A. Grevious 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 Mark A. Grevious?
- (847) 297-1800, as listed in official Medicare / NPI Registry data.
- What is Mark A. Grevious's NPI number?
- 1194727909. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark A. Grevious works
Medicare's Facility Affiliation Data lists Mark A. Grevious at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Franciscan Health Olympia & Chicago HeightsOlympia Fields, IL · Acute Care Hospital · CCN 140172
- Javon Bea HospitalRockford, IL · Acute Care Hospital · closed, according to its website · CCN 140239
- John H Stroger Jr HospitalChicago, IL · Acute Care Hospital · CCN 140124
- Provident Hospital of ChicagoChicago, IL · Acute Care Hospital · CCN 140300
- University of Illinois Hospital and ClinicsChicago, IL · Acute Care Hospital · CCN 140150
Practice locations
Addresses where Mark A. Grevious is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 100 N River RdDes Plaines, IL 60016 (847) 297‑1800
- 1009 S Wood StChicago, IL 60612 (312) 355‑4300
- 1901 W Harrison StChicago, IL 60612 (312) 633‑7292
- 3900 W 203rd StOlympia Fields, IL 60461 (708) 679‑2380
- 500 E 51st StChicago, IL 60615 (312) 572‑2000
Group practices
Medicare enrollment lists Mark A. Grevious as a member of these groups (CMS data updated 2026-10-02).
- The Board of Trustees of the University of Illinois1,150 clinicians in the group
- Cook County788 clinicians in the group
- Rockford Health Physicians521 clinicians in the group
- Prime Healthcare Illinois Medical Group LLC322 clinicians in the group
- Specialty Physicians of Illinois LLC102 clinicians in the group
Specialties
Find other Plastic and Reconstructive Surgery doctors in Illinois →
Other plastic surgeons in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers New Jersey Medical School |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194727909 |
| 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