Quick answers
- Which hospitals does Gregory R. Mesa work at?
- Medicare's official clinician data lists Gregory R. Mesa at 1 hospital: Piedmont Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory R. Mesa see patients?
- Medicare's clinician data lists 1 practice location in Columbia, SC. Call before your visit to confirm the address.
- What is Gregory R. Mesa's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Gregory R. Mesa accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory R. Mesa 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.
- Does Gregory R. Mesa offer telehealth?
- Medicare's clinician data says Gregory R. Mesa offers telehealth services. Ask the office which visits can be done by video or phone.
- What is Gregory R. Mesa's NPI number?
- 1023144193. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory R. Mesa works
Medicare's Facility Affiliation Data lists Gregory R. Mesa at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Piedmont Medical CenterRock Hill, SC · Acute Care Hospital · CCN 420002
Practice locations
Addresses where Gregory R. Mesa is enrolled with Medicare (CMS data updated 2026-10-02).
- 111 Doctor CirColumbia, SC 29203
Specialties
- Physician Assistantprimary
Find other clinicians: Physician Assistant, South Carolina →
Other physician assistants in Columbia
Clinicians with the same Medicare primary specialty in Columbia, SC — not a recommendation.
Clinician information
| Graduation year | 2000 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1023144193 |
| 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