DR. ALIA N AMMAR (PH.D.) – Clinical Neuropsychologist, NPI 1144388455
Clinical Neuropsychologist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,600 CLINICAL PSYCHOLOGIST in IL
Provider Addresses for DR. ALIA N AMMAR (PH.D.)
P O BOX 2257
CHESTERTON, IN 46304
Phone: (219) 926-8320
Fax: (219) 926-3524
Type: Mailing
501N RIVERSIDE DR 113
GURNEE, IL 600315918
Phone: (847) 282-4421
Type: Location
2334 W LAWRENCE AVE STE 212
CHICAGO, IL 606251037
Phone: (847) 786-5366
Fax: (847) 786-5535
Type: Mailing
5575 MEDINAH CT
GURNEE, IL 600311006
Phone: (847) 786-5366
Fax: (847) 786-5535
Type: Location
PO BOX 2257
CHESTERTON, IN 463040357
Phone: (219) 926-8320
Type: Mailing
22285 N PEPPER RD STE 401
LAKE BARRINGTON, IL 600102542
Phone: (847) 786-5366
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
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Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2007-07-16
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20070716000440 | I | Clinical Psychologist | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 96137 | Administration of psychological or neuropsychological test, each additional 30 minutes | 177 | 37 | $0 |
| 96133 | Evaluation of neuropsychological test, each additional hour | 144 | 37 | $0 |
| 96132 | Evaluation of neuropsychological test, first hour | 38 | 37 | $0 |
| 96136 | Administration of psychological or neuropsychological test, first 30 minutes | 37 | 37 | $0 |
| 90791 | Psychiatric diagnostic evaluation | 33 | 33 | $0 |
Insurance plans in this area (ZIP 46304)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Psychologist | IL |
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