Doctor profile · Federal record

Dr. Brett Williamson

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Greenville, SC

  • NPI 1215994017
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
7 Independence PT Ste 300
Greenville, SC 296154569
(864) 522-3700
fax (864) 522-3705
Additional location
5 Medical Park, Palmetto Health Richland
Columbia, SC 29203
(803) 296-2548
fax (803) 296-2525
Mailing address
300 E McBee Ave Fl 4
Greenville, SC 296012842

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
February 3, 2022
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
South Carolina #1272
Medicaid
SC #AN0990

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215994017. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
44
Distinct HCPCS
2
Medicare allowed
$3,240
HCPCS Description Services Patients Avg allowed
01922 Anesthesia for x-ray or radiation therapy 25 25 $91
00410 Anesthesia for procedure to correct abnormal heart rhythm 19 19 $51

In context: peer comparison

Among 171 peers in this city , average services per provider: 27. This provider delivers 1.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$67
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
CSL Behring 1 $58.79
Ambu Inc. 1 $8.48

By nature of payment

Food and Beverage
$67

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Brett Williamson's medical specialty?
Dr. Brett Williamson practices Certified Registered Nurse Anesthetist in Greenville, SC.
Where does Dr. Brett Williamson practice?
Dr. Brett Williamson practices at 7 Independence PT Ste 300, Greenville, SC 296154569. Office phone: 8645223700.
What is Dr. Brett Williamson's NPI?
Dr. Brett Williamson's National Provider Identifier (NPI) is 1215994017, issued by NPPES.
Does Dr. Brett Williamson accept Medicare assignment?
Yes. Dr. Brett Williamson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brett Williamson commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for x-ray or radiation therapy (HCPCS 01922); Anesthesia for procedure to correct abnormal heart rhythm (HCPCS 00410). Source: CMS Medicare Physician & Other Practitioners file.