William Gourdin McMaster, M.D. is a healthcare provider in Columbia, SC specialising in thoracic surgery. William trained at Medical University of South Carolina College of Medicine, graduating in 2010. William is also listed as specialising in thoracic surgery (cardiothoracic) and student in an organized health care education program.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. McMaster is a thoracic surgeon in Columbia, SC. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “THORACIC SURGERY”.
NPI registry
Dr. McMaster is listed at 8 RICHLAND MEDICAL PARK DR STE 400, Columbia, SC 29203. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (803) 795-0871. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. McMaster's National Provider Identifier is 1124345574. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. McMaster attended Medical University of South Carolina College of Medicine, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
Dr. McMaster has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. McMaster performs procedures including coronary artery bypass using artery graft, 1 graft and harvest of vein using an endoscope; provides treatments such as interpretation and report of ultrasound of heart, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. McMaster. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
8 RICHLAND MEDICAL PARK DR STE 400
Columbia, SC 29203
85 services · 85 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Coronary artery bypass using artery graft, 1 graft | Procedure | 33533 |
12 |
| Harvest of vein using an endoscope | Procedure | 33508 |
12 |
| Interpretation and report of ultrasound of heart | Treatment | 93314 |
12 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
32 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
17 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Clinically related specialties at the same address — the people this provider most likely works alongside.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Same specialty, same city.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Providers in SC who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.