Quick answers
- Which hospitals does Marc J. Ovadia work at?
- Medicare's official clinician data lists Marc J. Ovadia at 1 hospital: CGH Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marc J. Ovadia see patients?
- Medicare's clinician data lists 2 practice locations, including Sterling, IL and Park Ridge, IL. Call before your visit to confirm the address.
- What is Marc J. Ovadia's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Pediatric Medicine.
- Does Marc J. Ovadia accept Medicare assignment?
- Yes. Medicare's clinician data says Marc J. Ovadia 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 Marc J. Ovadia?
- (815) 625-4790, as listed in official Medicare / NPI Registry data.
- What is Marc J. Ovadia's NPI number?
- 1356342398. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marc J. Ovadia works
Medicare's Facility Affiliation Data lists Marc J. Ovadia at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- CGH Medical CenterSterling, IL · Acute Care Hospital · CCN 140043
Practice locations
Addresses where Marc J. Ovadia is enrolled with Medicare (CMS data updated 2026-10-02).
- 101 E Miller RdSterling, IL 61081 (815) 625‑4790
- 1875 Dempster St, Suite 605Park Ridge, IL 60068 (847) 823‑0843
Group practices
Medicare enrollment lists Marc J. Ovadia as a member of this group (CMS data updated 2026-10-02).
- CGH Medical Center197 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Illinois →
Other cardiologists in Sterling
Clinicians with the same Medicare primary specialty in Sterling, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356342398 |
| 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