Quick answers
- Where does Charles Effiong see patients?
- Medicare's clinician data lists 4 practice locations, including Moncks Corner, SC, Summerville, SC and Charleston, SC. Call before your visit to confirm the address.
- What is Charles Effiong's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Nephrology.
- Does Charles Effiong accept Medicare assignment?
- Yes. Medicare's clinician data says Charles Effiong 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 Charles Effiong?
- (843) 761-1995, as listed in official Medicare / NPI Registry data.
- What is Charles Effiong's NPI number?
- 1487604757. 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 Effiong is enrolled with Medicare (CMS data updated 2026-10-02).
- 106 W Main StMoncks Corner, SC 29461 (843) 761‑1995
- 130 Varnfield Dr, Suite 100Summerville, SC 29483 (843) 821‑3444
- 35 Walnut StCharleston, SC 29403 (843) 723‑9477
- 679 Orangeburg Rd, Unit FSummerville, SC 29483 (843) 722‑4112
Group practices
Medicare enrollment lists Charles Effiong as a member of this group (CMS data updated 2026-10-02).
- Fetter Health Care Network Inc27 clinicians in the group
Specialties
- Internal Medicineprimary
- Nephrologyalso
Other internal medicine doctors in South Carolina
Clinicians with the same Medicare primary specialty in South Carolina — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1487604757 |
| 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 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