Doctor profile · Federal record

Dr. William McMaster, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Student in an Organized Health Care Education/Training Program · Columbia, SC

  • NPI 1124345574
  • Accepts Medicare
  • MIPS 95.3 / 100 · 2023
  • 16 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
8 Richland Medical Park Dr Ste 400
Columbia, SC 292038004
(803) 795-0871
fax (803) 765-9214
Additional location
3601 the Vanderbilt Clinic
Nashville, TN 372324701
(615) 322-3000
Mailing address
300 E McBee Ave Fl 4
Greenville, SC 296012842

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
April 13, 2023
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
208G00000X — NUCC code
State licenses (2)
South Carolina #89449 · Tennessee #50674

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124345574. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
58
Distinct HCPCS
4
Medicare allowed
$38,102
HCPCS Description Services Patients Avg allowed
33361 Replacement of aortic valve through the skin and femoral artery 21 21 $680
33533 Coronary artery bypass using artery graft, 1 graft 13 13 $1,614
99203 New patient office or other outpatient visit, 30-44 minutes 13 13 $78
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 11 11 $167

In context: peer comparison

Among 3 peers in Columbia Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 33. This provider delivers 1.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,274
Transactions
46
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 34 $759.07
Atricure, INC. 7 $308.21
Abiomed 1 $115.23
Cook Medical LLC 1 $33.72
CVRx, INC. 1 $22.20
W. L. Gore & Associates, INC. 1 $21.71
Artivion, INC. 1 $14.30

By nature of payment

Food and Beverage
$1,274

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William McMaster's medical specialty?
Dr. William McMaster practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Columbia, SC.
Where does Dr. William McMaster practice?
Dr. William McMaster practices at 8 Richland Medical Park Dr Ste 400, Columbia, SC 292038004. Office phone: 8037950871.
What is Dr. William McMaster's NPI?
Dr. William McMaster's National Provider Identifier (NPI) is 1124345574, issued by NPPES.
Does Dr. William McMaster accept Medicare assignment?
Yes. Dr. William McMaster accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William McMaster commonly perform?
Top Medicare-reported procedures in 2023: Replacement of aortic valve through the skin and femoral artery (HCPCS 33361); Coronary artery bypass using artery graft, 1 graft (HCPCS 33533); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.