Quick answers
- Which hospitals does Jack B. Sizemore work at?
- Medicare's official clinician data lists Jack B. Sizemore at 1 hospital: St Francis-Downtown. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jack B. Sizemore see patients?
- Medicare's clinician data lists 5 practice locations, including Greenville, SC. Call before your visit to confirm the address.
- What is Jack B. Sizemore's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Jack B. Sizemore accept Medicare assignment?
- Yes. Medicare's clinician data says Jack B. Sizemore 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 Jack B. Sizemore?
- (513) 853-8520, as listed in official Medicare / NPI Registry data.
- What is Jack B. Sizemore's NPI number?
- 1255644126. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jack B. Sizemore works
Medicare's Facility Affiliation Data lists Jack B. Sizemore at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- St Francis-DowntownGreenville, SC · Acute Care Hospital · CCN 420023
Practice locations
Addresses where Jack B. Sizemore is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Saint Francis DrGreenville, SC 29601 (513) 853‑8520
- 1050 Grove RdGreenville, SC 29605 (864) 234‑7654
- 125 Commonwealth DrGreenville, SC 29615 (864) 675‑4000
- 317 Saint Francis Dr, Suite 220Greenville, SC 29601 (864) 255‑1901
- 35 International DrGreenville, SC 29615
Group practices
Medicare enrollment lists Jack B. Sizemore as a member of this group (CMS data updated 2026-10-02).
- Bon Secours Medical Group Greenville Specialty Care LLC292 clinicians in the group
Specialties
- Physician Assistantprimary
Find other clinicians: Physician Assistant, South Carolina →
Other physician assistants in Greenville
Clinicians with the same Medicare primary specialty in Greenville, SC — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255644126 |
| 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