Quick answers
- Which hospitals does Grayson T. Sumner work at?
- Medicare's official clinician data lists Grayson T. Sumner at 3 hospitals: Abbeville Area Medical Center, Edgefield County Healthcare An Affiliate of Self R… and Self Regional Healthcare. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Grayson T. Sumner see patients?
- Medicare's clinician data lists 4 practice locations, including Greenwood, SC, Newberry, SC and Edgefield, SC. Call before your visit to confirm the address.
- What is Grayson T. Sumner's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Grayson T. Sumner accept Medicare assignment?
- Yes. Medicare's clinician data says Grayson T. Sumner 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 Grayson T. Sumner?
- (864) 725-1750, as listed in official Medicare / NPI Registry data.
- What is Grayson T. Sumner's NPI number?
- 1437508967. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Grayson T. Sumner works
Medicare's Facility Affiliation Data lists Grayson T. Sumner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Abbeville Area Medical CenterAbbeville, SC · Critical Access Hospital · CCN 421301
- Edgefield County Healthcare An Affiliate of Self R…Edgefield, SC · Critical Access Hospital · CCN 421304
- Self Regional HealthcareGreenwood, SC · Acute Care Hospital · CCN 420071
Practice locations
Addresses where Grayson T. Sumner is enrolled with Medicare (CMS data updated 2026-10-02).
- 110 Hwy 246 NGreenwood, SC 29649 (864) 725‑1750
- 116 Venture CtGreenwood, SC 29649 (864) 725‑5594
- 298 Commerce DrNewberry, SC 29108 (803) 321‑3232
- 300 Ridge Medical Plaza RdEdgefield, SC 29824 (803) 637‑3174
Group practices
Medicare enrollment lists Grayson T. Sumner as a member of these groups (CMS data updated 2026-10-02).
- Self Medical Group395 clinicians in the group
- Self Regional Healthcare180 clinicians in the group
- Self Regional Healthcare Partners39 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Greenwood
Clinicians with the same Medicare primary specialty in Greenwood, SC — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437508967 |
| 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