NPPES file of Aug 9, 2026

William Gourdin McMaster, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Columbia, SC

William Gourdin McMaster, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Columbia, South Carolina, and NPI 1124345574, issued on Apr 26, 2010. Check the license (South Carolina 89449, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124345574
Name
William Gourdin McMaster
Credential
M.D.
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License numbers
89449 SC
50674 TN
Self-reported in NPPES; status is on the state search
Practice location
8 Richland Medical Park Dr Ste 400, Columbia, SC 29203
Phone
(803) 795-0871
Enumerated
Apr 26, 2010
Record last updated
Apr 13, 2023
Fax
(803) 765-9214
Medicare enrollment
Enrolled (PECOS I20230427000287); accepts Medicare assignment
Medical or professional school
Medical University Of South Carolina College Of Medicine, 2010
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 8 Richland Medical Park Dr Ste 400

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Stephanie Branham, FNPFamily Nurse Practitioner1659642080
  2. Gina Brock, FNP-CFamily Nurse Practitioner1376227249
  3. James Burke, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1215071527
  4. Anna Gleaton, NPAcute Care Nurse Practitioner1619424462
  5. James Grimes, PASurgical Physician Assistant1750412607
  6. Nathan Hoadley, PAPhysician Assistant1154016806

Verify William Gourdin McMaster in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license 89449
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the South Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

The MIPS final score for 2023 (Medicare payment program): 99.3 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score90.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,274.44

46 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William McMaster$1,274.44
  2. Specialty average$7,828.84

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Prisma Health Medical Group-MidlandsColumbia, SC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William Gourdin McMaster among 97 thoracic surgery (cardiothoracic vascular surgery) physician records in South Carolina

William Gourdin McMaster, M.D. is one of 97 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in South Carolina. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 60% of them.

  • NPI issued2010 · 60% of these records are older, 36% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2010 · median 1999 among the 64 with a school on file
  • Record last updated2023 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in South Carolina

There are 97 thoracic surgery (cardiothoracic vascular surgery) physician records in South Carolina.

The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes

  1. James Burke, MDColumbia, SC 292031215071527
  2. Jeffery Martin, MDColumbia, SC 292031578531125
  3. Scott Petit, MDColumbia, SC 292031932168580
  4. Reid Tribble, MDColumbia, SC 292031669440699
  5. John Sutton, MDColumbia, SC 292041265402762
  6. Robert Zurcher, MDColumbia, SC 292041255301768
  7. Heather Currier, M.D.West Columbia, SC 291691073672358
  8. Robert McCardle, MDLexington, SC 291691255503884

Common questions

What is William Gourdin McMaster, M.D.'s NPI number?

William Gourdin McMaster, M.D.'s National Provider Identifier (NPI) is 1124345574, issued on Apr 26, 2010. An NPI identifies a provider in billing; it is not a license.

Where is William Gourdin McMaster, M.D. located?

The NPPES record lists a practice address at 8 Richland Medical Park Dr Ste 400, Columbia, SC, 29203. Phone: (803) 795-0871. Providers update this record themselves, so call before visiting.

How can I verify William Gourdin McMaster, M.D.'s license?

NPPES lists South Carolina license number 89449, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is William Gourdin McMaster, M.D.'s MIPS final score?

The 2023 MIPS final score is 99.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.