Quick answers
- Which hospitals does John Gantomasso work at?
- Medicare's official clinician data lists John Gantomasso at 1 hospital: Conway Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Gantomasso see patients?
- Medicare's clinician data lists 2 practice locations, including Conway, SC and Columbus, GA. Call before your visit to confirm the address.
- What is John Gantomasso's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does John Gantomasso accept Medicare assignment?
- Yes. Medicare's clinician data says John Gantomasso 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 John Gantomasso?
- (843) 347-7111, as listed in official Medicare / NPI Registry data.
- What is John Gantomasso's NPI number?
- 1396064481. 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 Gantomasso works
Medicare's Facility Affiliation Data lists John Gantomasso at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Conway Medical CenterConway, SC · Acute Care Hospital · CCN 420049
Practice locations
Addresses where John Gantomasso is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 Singleton Ridge RdConway, SC 29526 (843) 347‑7111
- 710 Ctr StColumbus, GA 31901 (706) 571‑1000
Group practices
Medicare enrollment lists John Gantomasso as a member of these groups (CMS data updated 2026-10-02).
- Medstream Anesthesia PLLC573 clinicians in the group
- Hospitalist Medicine Physicians of Georgia - TCS, PC115 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in South Carolina
Clinicians with the same Medicare primary specialty in South Carolina — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396064481 |
| 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