Doctor profile · Federal record

Dr. William Barrett, DO

Anesthesiology Physician (CMS: Anesthesiology) · Anesthesiology Physician · Charleston, SC

  • NPI 1952798829
  • Accepts Medicare
  • 11 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
171 Ashley Ave
Charleston, SC 294255051
(843) 792-1414
Mailing address
Po Box 751461
Charlotte, NC 282751461

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
November 25, 2020
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (2)
South Carolina #83324 · Virginia #0102204642

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952798829. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
408
Distinct HCPCS
10
Medicare allowed
$29,650
HCPCS Description Services Patients Avg allowed
76942 Ultrasonic guidance for needle placement 93 92 $29
64450 Injection of anesthetic agent and/or steroid into other nerve or branch 73 68 $40
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 55 46 $54
64415 Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 28 27 $65
01214 Anesthesia for total hip replacement 20 20 $291
36620 Insertion of artery tube for blood sampling or infusion through skin 20 20 $42
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 18 14 $47
01996 Daily hospital management of continuous spinal drug administration 17 13 $60
00811 Anesthesia for other procedure on large bowel using an endoscope 15 15 $59
01402 Anesthesia for procedure for total knee joint replacement 14 14 $318

In context: peer comparison

Among 92 peers in this city , average services per provider: 40. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$114
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Tempus AI, Inc 2 $113.97

By nature of payment

Food and Beverage
$114

Frequently asked questions

Auto-generated from federal data
What is Dr. William Barrett's medical specialty?
Dr. William Barrett practices Anesthesiology Physician in Charleston, SC.
Where does Dr. William Barrett practice?
Dr. William Barrett practices at 171 Ashley Ave, Charleston, SC 294255051. Office phone: 8437921414.
What is Dr. William Barrett's NPI?
Dr. William Barrett's National Provider Identifier (NPI) is 1952798829, issued by NPPES.
Does Dr. William Barrett accept Medicare assignment?
Yes. Dr. William Barrett accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Barrett commonly perform?
Top Medicare-reported procedures in 2023: Ultrasonic guidance for needle placement (HCPCS 76942); Injection of anesthetic agent and/or steroid into other nerve or branch (HCPCS 64450); Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (HCPCS 64447). Source: CMS Medicare Physician & Other Practitioners file.