Quick answers
- Does Charles F. Greer accept Medicare assignment?
- Medicare's clinician data says Charles F. Greer may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- What is Charles F. Greer's NPI number?
- 1003825878. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Charles F. Greer is enrolled with Medicare (CMS data updated October 2, 2026).
- 325 Broad St, Suite 100Sumter, SC 29150 (803) 773‑5227
- 327 Broad StSumter, SC 29150 (803) 773‑5227
- 7211 Wellington Dr, Suite 101Knoxville, TN 37919 (865) 558‑9822
Group practices
Medicare enrollment lists Charles F. Greer as a member of these groups (CMS data updated October 2, 2026).
- Summit Medical Group, PLLC652 clinicians in the group
- Colonial Family Practice LLC62 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in South Carolina
Clinicians with the same Medicare primary specialty in South Carolina — not a recommendation.
Other clinicians in Summit Medical Group, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical University Of South Carolina College Of Medicine |
| Graduation year | 1980 (46 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1003825878 |
| 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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