Quick answers
- Which hospitals does Christopher Graviss work at?
- Medicare's official clinician data lists Christopher Graviss at 5 hospitals: Javon Bea Hospital, McLaren Bay Region, McLaren Northern Michigan, Oswego Hospital and Samaritan Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Christopher Graviss see patients?
- Medicare's clinician data lists 3 practice locations, including Rockford, IL, Crystal Lake, IL and Harvard, IL. Call before your visit to confirm the address.
- What is Christopher Graviss's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Christopher Graviss accept Medicare assignment?
- Yes. Medicare's clinician data says Christopher Graviss 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 Christopher Graviss?
- (815) 971-2000, as listed in official Medicare / NPI Registry data.
- What is Christopher Graviss's NPI number?
- 1417980517. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Christopher Graviss works
Medicare's Facility Affiliation Data lists Christopher Graviss 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
- McLaren Bay RegionBay City, MI · Acute Care Hospital · CCN 230041
- McLaren Northern MichiganPetoskey, MI · Acute Care Hospital · CCN 230105
- Oswego HospitalOswego, NY · Acute Care Hospital · CCN 330218
- Samaritan Medical CenterWatertown, NY · Acute Care Hospital · CCN 330157
Practice locations
Addresses where Christopher Graviss is enrolled with Medicare (CMS data updated 2026-10-02).
- 8201 E Riverside BlvdRockford, IL 61114 (815) 971‑2000
- 875 S Route 31Crystal Lake, IL 60014 (779) 220‑5500
- 901 Grant StHarvard, IL 60033 (815) 943‑5431
Group practices
Medicare enrollment lists Christopher Graviss as a member of these groups (CMS data updated 2026-10-02).
- Mercy Health System Corporation753 clinicians in the group
- Rockford Health Physicians521 clinicians in the group
- Pco PC82 clinicians in the group
- On-Line Radiology Medical Group Inc59 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Rockford
Clinicians with the same Medicare primary specialty in Rockford, IL — 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) | 1417980517 |
| 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