Doctor profile · Federal record

Dr. Jane Dyonzak, PH.D.

Clinical Psychologist · Glenview, IL

  • NPI 1689658825
  • Accepts Medicare
  • 35 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3633 W Lake Ave, Suite 404
Glenview, IL 600265801
(847) 657-6007
fax (847) 657-6412

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
September 25, 2008
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
Illinois #071004588

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689658825. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
603
Distinct HCPCS
4
Medicare allowed
$76,429
HCPCS Description Services Patients Avg allowed
90834 Psychotherapy, 45 minutes 277 49 $102
90837 Psychotherapy, 1 hour 269 34 $149
90791 Psychiatric diagnostic evaluation 37 37 $178
90832 Psychotherapy, 30 minutes 20 15 $77

In context: peer comparison

Among 3 peers in this city , average services per provider: 153. This provider delivers 3.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Jane Dyonzak's medical specialty?
Dr. Jane Dyonzak practices Clinical Psychologist in Glenview, IL.
Where does Dr. Jane Dyonzak practice?
Dr. Jane Dyonzak practices at 3633 W Lake Ave, Glenview, IL 600265801. Office phone: 8476576007.
What is Dr. Jane Dyonzak's NPI?
Dr. Jane Dyonzak's National Provider Identifier (NPI) is 1689658825, issued by NPPES.
Does Dr. Jane Dyonzak accept Medicare assignment?
Yes. Dr. Jane Dyonzak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jane Dyonzak commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834); Psychotherapy (HCPCS 90837); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.