Quick answers
- Which hospitals does John R. Roost work at?
- Medicare's official clinician data lists John R. Roost at 1 hospital: Mercy St Vincent Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John R. Roost see patients?
- Medicare's clinician data lists 3 practice locations, including Cincinnati, OH and Toledo, OH. Call before your visit to confirm the address.
- What is John R. Roost's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does John R. Roost accept Medicare assignment?
- Yes. Medicare's clinician data says John R. Roost 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 John R. Roost's NPI number?
- 1083988877. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John R. Roost works
Medicare's Facility Affiliation Data lists John R. Roost at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy St Vincent Medical CenterToledo, OH · Acute Care Hospital · CCN 360112
Practice locations
Addresses where John R. Roost is enrolled with Medicare (CMS data updated 2026-10-02).
- 1701 Mercy Health PlCincinnati, OH 45237
- 2200 Jefferson Ave, Fl 5Toledo, OH 43604
- 2200 Jeffeson Ave, 5th Fl Attn S FuteyToledo, OH 43604
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Cincinnati
Clinicians with the same Medicare primary specialty in Cincinnati, OH — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083988877 |
| 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