Quick answers
- Which hospitals does Gaby Aoun work at?
- Medicare's official clinician data lists Gaby Aoun at 4 hospitals: HMHP St Elizabeth Boardman Health Center, MH St Elizabeth Youngstown Hospital, MH St Joseph Warren Hospital and Salem Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gaby Aoun see patients?
- Medicare's clinician data lists 8 practice locations, including Youngstown, OH, Columbus, OH and Warren, OH. Call before your visit to confirm the address.
- What is Gaby Aoun's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does Gaby Aoun accept Medicare assignment?
- Yes. Medicare's clinician data says Gaby Aoun 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 Gaby Aoun?
- (330) 747-6446, as listed in official Medicare / NPI Registry data.
- What is Gaby Aoun's NPI number?
- 1255427167. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gaby Aoun works
Medicare's Facility Affiliation Data lists Gaby Aoun at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- HMHP St Elizabeth Boardman Health CenterBoardman, OH · Acute Care Hospital · CCN 360276
- MH St Elizabeth Youngstown HospitalYoungstown, OH · Acute Care Hospital · CCN 360064
- MH St Joseph Warren HospitalWarren, OH · Acute Care Hospital · CCN 360161
- Salem Regional Medical CenterSalem, OH · Acute Care Hospital · CCN 360185
Practice locations
Addresses where Gaby Aoun is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 1001 Belmont AveYoungstown, OH 44504 (330) 747‑6446
- 1044 Belmont AveYoungstown, OH 44504
- 410 W 10th AveColumbus, OH 43210 (614) 293‑8000
- 627 Eastland Ave SEWarren, OH 44484
- 715 E Western Reserve RdPoland, OH 44514 (330) 726‑3204
Group practices
Medicare enrollment lists Gaby Aoun as a member of this group (CMS data updated 2026-10-02).
- Mercy Health Physicians Youngstown Specialty Care LLC472 clinicians in the group
Specialties
Other interventional cardiologists in Ohio
Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255427167 |
| 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