Doctor profile · Federal record

Dr. Nancy Sillin, LCSW

Clinical Social Worker · Glenview, IL

  • NPI 1841740966
  • 10 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
920 Windsor RD
Glenview, IL 600253131
(847) 729-5472

Credentials & registration

NPPES · NUCC
NPI registered
October 2016 — 10 yrs on file
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
Illinois #149.012214

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841740966. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
487
Distinct HCPCS
2
Medicare allowed
$52,976
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 468 26 $108
90791 Psychiatric diagnostic evaluation 19 19 $128

In context: peer comparison

Among 4 peers in this city , average services per provider: 183. This provider delivers 2.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Nancy Sillin's medical specialty?
Dr. Nancy Sillin practices Clinical Social Worker in Glenview, IL.
Where does Dr. Nancy Sillin practice?
Dr. Nancy Sillin practices at 920 Windsor RD, Glenview, IL 600253131. Office phone: 8477295472.
What is Dr. Nancy Sillin's NPI?
Dr. Nancy Sillin's National Provider Identifier (NPI) is 1841740966, issued by NPPES.
What procedures does Dr. Nancy Sillin commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.