Quick answers
- Does Nicholas Gastaldo accept Medicare assignment?
- Yes. Medicare's clinician data says Nicholas Gastaldo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Nicholas Gastaldo's NPI number?
- 1235626821. 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 Gastaldo works
Medicare's Facility Affiliation Data lists Nicholas Gastaldo at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- HMHP St Elizabeth Boardman Health CenterBoardman, OH · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 360276
- MH St Elizabeth Youngstown HospitalYoungstown, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360064
- MH St Joseph Warren HospitalWarren, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360161
Practice locations
Addresses where Nicholas Gastaldo is enrolled with Medicare (CMS data updated October 2, 2026).
- 452 Broadway AveYoungstown, OH 44504 (330) 480‑2866
- 627 Eastland Ave SE, Suite 201Warren, OH 44484 (330) 841‑4477
Group practices
Medicare enrollment lists Nicholas Gastaldo as a member of this group (CMS data updated October 2, 2026).
- Mercy Health Physicians Youngstown Specialty Care LLC472 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Youngstown
Clinicians with the same Medicare primary specialty in Youngstown, OH — not a recommendation.
Other clinicians in Mercy Health Physicians Youngstown Specialty Care LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Ohio University, College Of Osteopathic Medicine |
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235626821 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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