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Edit this profileAt a glance
- 4440 W 95Th St, Oak Lawn, IL 60453
About Dr. Ustas
Leah M. Ustas, M.D. practices psychiatry in Oak Lawn, IL. Leah is a 2005 graduate of Tulane University School of Medicine. Medicare claims data shows Leah provided 169 services to 155 patients. The services billed most often include psychiatric diagnostic evaluation with medical services, psychiatric diagnostic evaluation with medical services, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes. The provider's National Provider Identifier (NPI) is 1033328869.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (708) 684-7482
- Email not available
Practice Locations
4440 W 95TH ST
Oak Lawn, IL 60453
Conditions Commonly Evaluated or Treated
Within Psychiatry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Cognitive and adjustment
Eating, sleep, and somatic
Geriatric care
Mental Health
Neurodevelopmental and behavioral
Most searched conditions
Anxiety, trauma, and obsessive-compulsive
Mood disorders
Psychotic disorders
Substance-related and addictive
Addiction & Substance Use
Eating Disorders
Mood & Depression
Personality and dissociative
Sleep & Wakefulness
Procedures & services
Advanced treatment
Assessment
Most searched procedures
- Anxiety and depression treatment
- Cognitive behavioral therapy
- Medication management
- Psychiatric evaluation
- Telepsychiatry
Addiction care
Addiction Medicine
Assessments
- Adult ADHD Testing
- Autism testing
- Cognitive Assessment
Brain stimulation
Consultations
Diagnostics
Inpatient care
Interventional psychiatry
Psychotherapy
Sleep Medicine
Specialized care
Therapy
Therapy and care
Procedures Most Often Billed to Medicare
169 services · 155 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
74 | More than most peers in Psychiatry |
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
54 | More than most peers in Psychiatry |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
24 | As often as other peers in Psychiatry |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
17 | As often as other peers in Psychiatry |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other psychiatrists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 30 related providers in 4 groups
Other psychiatrists in Oak Lawn 6
Same specialty, same city.
Trained at Tulane University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2005 at Tulane University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Psychiatric diagnostic evaluation with medical services 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Leah M. Ustas specialize in?
Leah M. Ustas is a psychiatrist in Oak Lawn, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Where is Leah M. Ustas located?
Leah M. Ustas is listed at 4440 W 95Th St, Oak Lawn, IL 60453. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Leah M. Ustas's phone number?
The number on file is (708) 684-7482. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Leah M. Ustas?
Leah M. Ustas's National Provider Identifier is 1033328869. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Leah M. Ustas train?
Leah M. Ustas attended Tulane University School of Medicine, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Leah M. Ustas have?
Leah M. Ustas has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What does Leah M. Ustas do most often?
According to Medicare billing data, Leah M. Ustas provides treatments such as psychiatric diagnostic evaluation with medical services, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Leah M. Ustas's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Leah M. Ustas. If this is you, claiming it is free.
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