Doctor profile · Federal record

Dr. Shaun Williams, LCSW

Clinical Social Worker · Waterbury, CT

  • NPI 1649312125
  • Accepts Medicare
  • MIPS 78.7 / 100 · 2023
  • 24 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
64 Robbins St
Waterbury, CT 067082613
(203) 573-6103
fax (203) 573-7578
Mailing address
88 Grandview Ave
Waterbury, CT 067082509

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
Connecticut #006404

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649312125. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
18
Distinct HCPCS
1
Medicare allowed
$2,089
HCPCS Description Services Patients Avg allowed
90791 Psychiatric diagnostic evaluation 18 15 $116

In context: peer comparison

Among 4 peers in this city , average services per provider: 49. This provider delivers 0.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Shaun Williams's medical specialty?
Dr. Shaun Williams practices Clinical Social Worker in Waterbury, CT.
Where does Dr. Shaun Williams practice?
Dr. Shaun Williams practices at 64 Robbins St, Waterbury, CT 067082613. Office phone: 2035736103.
What is Dr. Shaun Williams's NPI?
Dr. Shaun Williams's National Provider Identifier (NPI) is 1649312125, issued by NPPES.
Does Dr. Shaun Williams accept Medicare assignment?
Yes. Dr. Shaun Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shaun Williams commonly perform?
Top Medicare-reported procedures in 2023: Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.