Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Cardiovascular Disease (Cardiology)

Joel W. Duncan, MD

Sees patients in Irmo, SC · South Carolina

Summary

Joel W. Duncan, MD (Cardiovascular Disease (Cardiology)) is enrolled with Medicare at 1 practice location in Irmo, SC. NPI 1871542779. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Joel W. Duncan, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Cardiovascular Disease (Cardiology)Primary specialty
YesAccepts Medicare assignment
38Years since medical school (graduated 1988)
Texas Tech University Health Science Center School Of MedicineMedical school
MaleGender (as listed)
South Carolina Internal Medicine Associates and Rehabilitation LLCGroup practice

Quick answers

Where does Joel W. Duncan see patients?
Medicare's clinician data lists 1 practice location in Irmo, SC. Call before your visit to confirm the address.
What is Joel W. Duncan's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
Does Joel W. Duncan accept Medicare assignment?
Yes. Medicare's clinician data says Joel W. 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 Joel W. Duncan?
(803) 749-1111, as listed in official Medicare / NPI Registry data.
What is Joel W. Duncan's NPI number?
1871542779. 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 Joel W. Duncan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Joel W. Duncan as a member of this group (CMS data updated 2026-10-02).

  • South Carolina Internal Medicine Associates and Rehabilitation LLC26 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in South Carolina →

Other cardiologists in South Carolina

Clinicians with the same Medicare primary specialty in South Carolina — not a recommendation.

All cardiologists in South Carolina →

Clinician information

CredentialMD
Medical schoolTexas Tech University Health Science Center School Of Medicine
Graduation year1988
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1871542779
CorrectionsReport 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

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians