Doctor profile · Federal record

Dr. LEAH USTAS, M.D.

Psychiatry Physician (CMS: PSYCHIATRY) · OAK LAWN, IL

  • NPI 1033328869
  • Accepts Medicare
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4440 W 95TH ST
OAK LAWN, IL 604532600
(708) 684-7482
Mailing address
29373 NETWORK PL
CHICAGO, IL 606731293

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
May 12, 2022
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Illinois #036.122642

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033328869. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
140
Distinct HCPCS
3
Medicare allowed
$22,862
HCPCS Description Services Patients Avg allowed
90792 Psychiatric diagnostic evaluation with medical services 90 90 $176
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 36 28 $124
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 14 14 $181

In context: peer comparison

Among 6 peers in this city , average services per provider: 177. This provider delivers 0.8× the peer median.