Doctor profile · Federal record

Dr. Nancy Williams, LCSW,LCADC

Clinical Social Worker · Addiction (Substance Use Disorder) Counselor · Clinical Social Worker · Butler, NJ

  • NPI 1225561699
  • Accepts Medicare
  • MIPS 92.0 / 100 · 2023
  • 12 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
188 Kiel Ave
Butler, NJ 074051639
(201) 906-2229
Additional location
655 Canistear RD
Highland Lakes, NJ 074222088
(732) 207-1317
Mailing address
Po Box 187
Highland Lakes, NJ 074220187

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
October 14, 2020
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State licenses (2)
New Jersey #44SC05727700 · New Jersey #44SC0727700

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225561699. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,162
Distinct HCPCS
3
Medicare allowed
$118,970
HCPCS Description Services Patients Avg allowed
90832 Psychotherapy, 30 minutes 2,044 96 $52
90791 Psychiatric diagnostic evaluation 67 52 $119
90846 Family psychotherapy without patient, 50 minutes 51 24 $75

In context: peer comparison

Among 1 peers in this city , average services per provider: 720. This provider delivers 3.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Nancy Williams's medical specialty?
Dr. Nancy Williams practices Clinical Social Worker in Butler, NJ.
Where does Dr. Nancy Williams practice?
Dr. Nancy Williams practices at 188 Kiel Ave, Butler, NJ 074051639. Office phone: 2019062229.
What is Dr. Nancy Williams's NPI?
Dr. Nancy Williams's National Provider Identifier (NPI) is 1225561699, issued by NPPES.
Does Dr. Nancy Williams accept Medicare assignment?
Yes. Dr. Nancy Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nancy Williams commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90832); Psychiatric diagnostic evaluation (HCPCS 90791); Family psychotherapy without patient (HCPCS 90846). Source: CMS Medicare Physician & Other Practitioners file.