Doctor profile · Federal record

Dr. Thomas Slonka, LCSW, CADC

Clinical Social Worker · Addiction (Substance Use Disorder) Counselor · Hinsdale, IL

  • NPI 1386765642
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 39 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8 Salt Creek Ln Ste 202
Hinsdale, IL 605212903
(331) 221-2505
fax (331) 221-2719

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
April 15, 2021
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State licenses (2)
Illinois #149.002799 · Illinois #16634

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386765642. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
311
Distinct HCPCS
1
Medicare allowed
$34,320
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 311 16 $110

In context: peer comparison

Among 2 peers in Hinsdale Clinical Social Worker, average services per provider: 230. This provider delivers 1.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Slonka's medical specialty?
Dr. Thomas Slonka practices Clinical Social Worker in Hinsdale, IL.
Where does Dr. Thomas Slonka practice?
Dr. Thomas Slonka practices at 8 Salt Creek Ln Ste 202, Hinsdale, IL 605212903. Office phone: 3312212505.
What is Dr. Thomas Slonka's NPI?
Dr. Thomas Slonka's National Provider Identifier (NPI) is 1386765642, issued by NPPES.
Does Dr. Thomas Slonka accept Medicare assignment?
Yes. Dr. Thomas Slonka accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Slonka commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.