Doctor profile · Federal record

Dr. Konstantinos Kostas, PHD

Clinical Psychologist · Chicago, IL

  • NPI 1629047469
  • Accepts Medicare
  • 32 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4501 N Winchester Ave, 2Nd Fl
Chicago, IL 60640
(773) 250-0500
fax (773) 250-0497
Additional location
800 Biesterfield RD Ste 610
Elk Grove Village, IL 600073362
(847) 981-3630

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
April 8, 2021
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
Illinois #071005172

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629047469. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
297
Distinct HCPCS
4
Medicare allowed
$33,194
HCPCS Description Services Patients Avg allowed
90834 Psychotherapy, 45 minutes 211 20 $98
90837 Psychotherapy, 1 hour 50 14 $142
90791 Psychiatric diagnostic evaluation 18 18 $178
96130 Evaluation of psychological test, first hour 18 18 $123

In context: peer comparison

Among 43 peers in Chicago Clinical Psychologist, average services per provider: 118. This provider delivers 2.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Konstantinos Kostas's medical specialty?
Dr. Konstantinos Kostas practices Clinical Psychologist in Chicago, IL.
Where does Dr. Konstantinos Kostas practice?
Dr. Konstantinos Kostas practices at 4501 N Winchester Ave, Chicago, IL 60640. Office phone: 7732500500.
What is Dr. Konstantinos Kostas's NPI?
Dr. Konstantinos Kostas's National Provider Identifier (NPI) is 1629047469, issued by NPPES.
Does Dr. Konstantinos Kostas accept Medicare assignment?
Yes. Dr. Konstantinos Kostas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Konstantinos Kostas 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.