Quick answers
- Which hospitals does Michael S. Gelbart work at?
- Medicare's official clinician data lists Michael S. Gelbart at 5 hospitals: Avita Ontario, Genesis Hospital, Knox Community Hospital, Marietta Memorial Hospital and Wilson Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael S. Gelbart see patients?
- Medicare's clinician data lists 2 practice locations, including Wilmington, OH and Sidney, OH. Call before your visit to confirm the address.
- What is Michael S. Gelbart's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Michael S. Gelbart accept Medicare assignment?
- Yes. Medicare's clinician data says Michael S. Gelbart 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 Michael S. Gelbart?
- (800) 803-9648, as listed in official Medicare / NPI Registry data.
- What is Michael S. Gelbart's NPI number?
- 1023178159. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael S. Gelbart works
Medicare's Facility Affiliation Data lists Michael S. Gelbart at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Avita OntarioOntario, OH · Acute Care Hospital · CCN 360365
- Genesis HospitalZanesville, OH · Acute Care Hospital · CCN 360039
- Knox Community HospitalMount Vernon, OH · Acute Care Hospital · CCN 360040
- Marietta Memorial HospitalMarietta, OH · Acute Care Hospital · CCN 360147
- Wilson Memorial HospitalSidney, OH · Acute Care Hospital · CCN 360013
Practice locations
Addresses where Michael S. Gelbart is enrolled with Medicare (CMS data updated 2026-10-02).
- 610 W Main St, Clinton Memorial HospitalWilmington, OH 45177 (800) 803‑9648
- 915 W Michigan StSidney, OH 45365 (937) 498‑2311
Group practices
Medicare enrollment lists Michael S. Gelbart as a member of this group (CMS data updated 2026-10-02).
- Riverside Radiology and Interventional Associates Inc253 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Ohio
Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ohio State University College Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023178159 |
| 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