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LEAH M USTAS M.D.
NPI 1033328869
Psychiatry & Neurology - Psychiatry in Oak Lawn, IL

Active since May 21, 2007PECOS EnrolledAccepts Medicare Assignment
4440 W 95TH ST, OAK LAWN, IL 60453(708) 684-7482 Get Directions Write a Review

NPPES record last updated: May 12, 2022. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: May 12, 2022, Dec 20, 2021, Jun 4, 2020 (3 updates tracked since 2020).

About Leah M Ustas M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LEAH M USTAS M.D. (NPI 1033328869) is an individual psychiatry provider in Oak Lawn, Illinois, licensed in Illinois (036.122642) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Advocate Christ Hospital & Medical Center, and is a graduate of Tulane University School Of Medicine (2005).

NPPES Registry Identity

NPI1033328869
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameLEAH M USTASCredential: M.D.
Location Address4440 W 95TH STOak Lawn, IL 60453-2600
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900
Phone(708) 684-7482
Sole ProprietorNo
Medical School CMSTulane University School Of MedicineGraduated 2005
Enumeration DateMay 21, 2007
Last NPPES UpdateMay 12, 20223 updates tracked since enumeration
NPPES CertifiedMay 12, 2022
✔ NPI 1033328869 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in IL · 036.122642
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
4440 W 95TH ST, Oak Lawn, IL 60453
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Leah M Ustas M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8123174018
PECOS Enrollment IDI20090917000469
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
74 services74 patients
Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
54 services52 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
24 services14 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
17 services15 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140208
Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60453 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$183.39 typical visit price
range $60.08 – $183.39
Typical copayment $45.84 (range $15.02 – $45.84)
Most-billed visit code 99205
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MARK ADRIAN FAASSE MD
Urology
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (708) 684-4557
DR. MANDY LUMA ENSHIWAT M.D.
Internal Medicine
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (708) 684-8000
DR. KIM MARIE MIILLER MA, PSYD
Psychologist (Clinical)
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (708) 684-7482
JENNIFER MARSIGLIO
Occupational Therapist (Physical Rehabilitation)
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (708) 684-5425
TRACI LYNN TAGUE MA, CCC-SLP
Speech-Language Pathologist
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (708) 684-1989
ELIZABETH A FOLLIARD OTR/L
Occupational Therapist
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (708) 684-5369
MICHAEL CIRONE M.D.
Emergency Medicine
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (708) 684-5375
ANNA MANILLA
Speech-Language Pathologist
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (248) 701-7523

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leah Ustas's NPI number?

The NPI number for Leah Ustas is 1033328869. It was assigned to this individual provider in the NPPES registry on May 21, 2007.

Where is Leah Ustas located?

Leah Ustas practices at 4440 W 95th St, Oak Lawn, IL 60453. The listed phone number is (708) 684-7482.

What is Leah Ustas's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Leah Ustas enrolled in Medicare?

Yes. Leah Ustas is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Leah Ustas affiliated with any hospitals?

According to CMS data, Leah Ustas is affiliated with Advocate Christ Hospital & Medical Center.

When was this NPI record last updated?

The NPPES record for Leah Ustas was last updated on May 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.