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DR. JACKSON T. DUNCAN JR. M.D., F.A.C.C.
NPI 1952348112
Internal Medicine - Cardiovascular Disease in Charleston, SC

Active since May 31, 2006PECOS Enrolled
9231 MEDICAL PLAZA DR STE A, CHARLESTON, SC 29406(843) 797-7700(843) 797-1271 Get Directions Write a Review

NPPES record last updated: June 21, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 7, 2023, May 31, 2017 (2 updates tracked since 2017).

About Dr. Jackson T. Duncan Jr. M.d., F.a.c.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JACKSON T. DUNCAN JR. M.D., F.A.C.C. (NPI 1952348112) is an individual cardiovascular disease provider in Charleston, South Carolina, licensed in South Carolina (6167) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1952348112
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. JACKSON T. DUNCAN JR.Credential: M.D., F.A.C.C.
Location Address9231 MEDICAL PLAZA DR STE ACharleston, SC 29406-9101
Mailing Address3601 Ladson Rd, Ste 101Ladson, SC 29456-4304 · (843) 797-7700 · Fax (843) 797-1271
Phone(843) 797-7700
Fax(843) 797-1271
Sole ProprietorYes
Enumeration DateMay 31, 2006
Last NPPES UpdateJune 21, 20262 updates tracked since enumeration
✔ NPI 1952348112 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in SC · 6167
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
9231 MEDICAL PLAZA DR STE A, Charleston, SC 29406
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Other Identifiers 2

MedicaidPA4833SC
Other6167SC · License #

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jackson T. Duncan Jr. M.d., F.a.c.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
88 services73 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
32 services16 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
30 services27 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
30 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29406 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$124.04 typical visit price
range $53.57 – $163.84
Typical copayment $31.01 (range $13.39 – $40.96)
Most-billed visit code 99204
Established Patient
$67.12 typical visit price
range $16.96 – $133.52
Typical copayment $16.78 (range $4.24 – $33.38)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LOWCOUNTRY RHEUMATOLOGY PA
Pharmacy (Community/Retail Pharmacy)
9231 MEDICAL PLAZA DR STE A
NORTH CHARLESTON, SC 29406
Charleston County (843) 572-4840
DR. LEON K. HOWARD M.D., F.A.C.C.
Internal Medicine (Cardiovascular Disease)
9231 MEDICAL PLAZA DR STE A
CHARLESTON, SC 29406
Charleston County (843) 797-7700
CARDIOLOGY CONSULTANTS PA OF CHARLESTON
Internal Medicine (Cardiovascular Disease)
9231 MEDICAL PLAZA DR STE A
CHARLESTON, SC 29406
Charleston County (843) 797-7700

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jackson Duncan's NPI number?

The NPI number for Jackson Duncan is 1952348112. It was assigned to this individual provider in the NPPES registry on May 31, 2006.

Where is Jackson Duncan located?

Jackson Duncan practices at 9231 Medical Plaza Dr Ste A, Charleston, SC 29406. The listed phone number is (843) 797-7700.

What is Jackson Duncan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Jackson Duncan enrolled in Medicare?

Yes. Jackson Duncan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Jackson Duncan was last updated on June 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.