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
- Primary practice
-
4440 W 95Th St
Oak Lawn, IL 604532600
(708) 684-7482 - Mailing address
-
29373 Network Pl
Chicago, IL 606731293
Credentials & registration
- 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
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
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 Oak Lawn Psychiatry Physician, average services per provider: 177. This provider delivers 0.8× the peer median.Frequently asked questions
What is Dr. Leah Ustas's medical specialty?
Dr. Leah Ustas practices Psychiatry Physician in Oak Lawn, IL.
Where does Dr. Leah Ustas practice?
Dr. Leah Ustas practices at 4440 W 95Th St, Oak Lawn, IL 604532600. Office phone: 7086847482.
What is Dr. Leah Ustas's NPI?
Dr. Leah Ustas's National Provider Identifier (NPI) is 1033328869, issued by NPPES.
Does Dr. Leah Ustas accept Medicare assignment?
Yes. Dr. Leah Ustas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leah Ustas commonly perform?
Top Medicare-reported procedures in 2023: Psychiatric diagnostic evaluation with medical services (HCPCS 90792); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.