Doctor profile · Federal record

Dr. William Trezza, LISW-Cp

Clinical Social Worker · Aiken, SC

  • NPI 1073524013
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
215 Barnwell Ave Nw
Aiken, SC 298013903
(803) 642-5480
fax (803) 643-1800

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
South Carolina #4190
Medicaid
SC #QM0382

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073524013. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
191
Distinct HCPCS
1
Medicare allowed
$12,249
HCPCS Description Services Patients Avg allowed
90834 Psychotherapy, 45 minutes 191 16 $64

In context: peer comparison

Among 1 peers in this city , average services per provider: 191. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. William Trezza's medical specialty?
Dr. William Trezza practices Clinical Social Worker in Aiken, SC.
Where does Dr. William Trezza practice?
Dr. William Trezza practices at 215 Barnwell Ave Nw, Aiken, SC 298013903. Office phone: 8036425480.
What is Dr. William Trezza's NPI?
Dr. William Trezza's National Provider Identifier (NPI) is 1073524013, issued by NPPES.
What procedures does Dr. William Trezza commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.