Doctor profile · Federal record

Dr. Hugh Dennis, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Cardiac Surgery) · Greenville, SC

  • NPI 1346331295
  • Accepts Medicare
  • 52 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
317 Saint Francis Dr Ste 340
Greenville, SC 296013914
(864) 255-1317
Additional location
1506 Spring St
Greenwood, SC 296464071
(864) 725-7900
fax (864) 725-7910

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
March 12, 2025
Year of graduation
1974 — 52 yrs since
Specialty taxonomy
208G00000X — NUCC code
State license (1)
South Carolina #26833

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346331295. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
90
Distinct HCPCS
5
Medicare allowed
$53,323
HCPCS Description Services Patients Avg allowed
33533 Coronary artery bypass using artery graft, 1 graft 24 24 $1,405
33508 Harvest of vein using an endoscope 23 23 $14
33361 Replacement of aortic valve through the skin and femoral artery 16 16 $695
33518 Coronary artery bypass using vein or artery graft, 2 grafts 15 15 $379
99205 New patient office or other outpatient visit, 60-74 minutes 12 12 $207

In context: peer comparison

Among 4 peers in Greenville Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 31. This provider delivers 2.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$358
Transactions
12
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Atricure, INC. 8 $247.26
Edwards Lifesciences Corporation 3 $93.72
Smith+Nephew, INC. 1 $17.11

By nature of payment

Food and Beverage
$358

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Hugh Dennis's medical specialty?
Dr. Hugh Dennis practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Greenville, SC.
Where does Dr. Hugh Dennis practice?
Dr. Hugh Dennis practices at 317 Saint Francis Dr Ste 340, Greenville, SC 296013914. Office phone: 8642551317.
What is Dr. Hugh Dennis's NPI?
Dr. Hugh Dennis's National Provider Identifier (NPI) is 1346331295, issued by NPPES.
Does Dr. Hugh Dennis accept Medicare assignment?
Yes. Dr. Hugh Dennis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hugh Dennis commonly perform?
Top Medicare-reported procedures in 2023: Coronary artery bypass using artery graft, 1 graft (HCPCS 33533); Harvest of vein using an endoscope (HCPCS 33508); Replacement of aortic valve through the skin and femoral artery (HCPCS 33361). Source: CMS Medicare Physician & Other Practitioners file.