Doctor profile · Federal record

Dr. Alia Ammar, PH.D.

Clinical Neuropsychologist (CMS: Clinical Psychologist) · Lake Barrington, IL

  • NPI 1144388455
  • Accepts Medicare
  • 23 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
22285 N Pepper RD Ste 401
Lake Barrington, IL 600102542
(847) 786-5366
Mailing address
Po Box 2257
Chesterton, IN 463040357

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
February 28, 2024
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
103G00000X — NUCC code
State license (1)
Illinois #071007105

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144388455. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
429
Distinct HCPCS
5
Medicare allowed
$34,044
HCPCS Description Services Patients Avg allowed
96137 Administration of psychological or neuropsychological test, each additional 30 minutes 177 37 $40
96133 Evaluation of neuropsychological test, each additional hour 144 37 $100
96132 Evaluation of neuropsychological test, first hour 38 37 $133
96136 Administration of psychological or neuropsychological test, first 30 minutes 37 37 $44
90791 Psychiatric diagnostic evaluation 33 33 $178

In context: peer comparison

Among 2 peers in Lake Barrington Clinical Neuropsychologist, average services per provider: 160. This provider delivers 2.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Alia Ammar's medical specialty?
Dr. Alia Ammar practices Clinical Neuropsychologist in Lake Barrington, IL.
Where does Dr. Alia Ammar practice?
Dr. Alia Ammar practices at 22285 N Pepper RD Ste 401, Lake Barrington, IL 600102542. Office phone: 8477865366.
What is Dr. Alia Ammar's NPI?
Dr. Alia Ammar's National Provider Identifier (NPI) is 1144388455, issued by NPPES.
Does Dr. Alia Ammar accept Medicare assignment?
Yes. Dr. Alia Ammar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alia Ammar commonly perform?
Top Medicare-reported procedures in 2023: Administration of psychological or neuropsychological test (HCPCS 96137); Evaluation of neuropsychological test, each additional hour (HCPCS 96133); Evaluation of neuropsychological test, first hour (HCPCS 96132). Source: CMS Medicare Physician & Other Practitioners file.