Quick answers
- Which hospitals does Nicholas C. Gemma work at?
- Medicare's official clinician data lists Nicholas C. Gemma at 3 hospitals: MH St Elizabeth Youngstown Hospital, MH St Joseph Warren Hospital and Surgical Hospital at Southwoods. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nicholas C. Gemma see patients?
- Medicare's clinician data lists 1 practice location in Warren, OH. Call before your visit to confirm the address.
- What is Nicholas C. Gemma's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Nicholas C. Gemma accept Medicare assignment?
- Yes. Medicare's clinician data says Nicholas C. Gemma 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 Nicholas C. Gemma?
- (234) 287-6303, as listed in official Medicare / NPI Registry data.
- What is Nicholas C. Gemma's NPI number?
- 1033748579. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nicholas C. Gemma works
Medicare's Facility Affiliation Data lists Nicholas C. Gemma at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MH St Elizabeth Youngstown HospitalYoungstown, OH · Acute Care Hospital · CCN 360064
- MH St Joseph Warren HospitalWarren, OH · Acute Care Hospital · CCN 360161
- Surgical Hospital at SouthwoodsYoungstown, OH · Acute Care Hospital · CCN 360352
Practice locations
Addresses where Nicholas C. Gemma is enrolled with Medicare (CMS data updated 2026-10-02).
- 9371 E Market St, Suite 2Warren, OH 44484 (234) 287‑6303
Group practices
Medicare enrollment lists Nicholas C. Gemma as a member of this group (CMS data updated 2026-10-02).
- Triad Health Services LLC258 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Ohio
Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Ohio University, College Of Osteopathic Medicine |
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033748579 |
| 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