Quick answers
- Where does Carl Duncan see patients?
- Medicare's clinician data lists 4 practice locations, including Johns Island, SC, Columbia, SC and Annapolis, MD. Call before your visit to confirm the address.
- What is Carl Duncan's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Carl Duncan accept Medicare assignment?
- Yes. Medicare's clinician data says Carl Duncan 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 Carl Duncan?
- (410) 897-2043, as listed in official Medicare / NPI Registry data.
- What is Carl Duncan's NPI number?
- 1346237369. 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 Carl Duncan is enrolled with Medicare (CMS data updated 2026-10-02).
- 2235 Seabrook Island RdJohns Island, SC 29455 (410) 897‑2043
- 227 N Woodlake DrColumbia, SC 29229 (443) 436‑1100
- 33 E St, Apt 1Annapolis, MD 21401 (443) 436‑4116
- 5 Surfsong RdKiawah Island, SC 29455 (585) 218‑8002
Group practices
Medicare enrollment lists Carl Duncan as a member of these groups (CMS data updated 2026-10-02).
- Maryland Imaging Network PC81 clinicians in the group
- Community Radiology Associates Inc65 clinicians in the group
- Delaware Radiology Associates PA65 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.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Hahnemann University College Of Medicine |
| Graduation year | 1973 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346237369 |
| 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