NPPES file of Aug 9, 2026

Alia N. Ammar, PH.D.

Clinical Neuropsychologist · Lake Barrington, IL

Alia N. Ammar, PH.D. is a clinical neuropsychologist with a practice address in Lake Barrington, Illinois, and NPI 1144388455, issued on Dec 5, 2006. Check the license (Illinois 071007105, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144388455
Name
Alia N. Ammar
Credential
PH.D.
Primary taxonomy
Clinical Neuropsychologist 103G00000X
License number
071007105 IL
Self-reported in NPPES; status is on the state search
Practice location
22285 N Pepper RD Ste 401, Lake Barrington, IL 60010
Phone
(847) 786-5366
Enumerated
Dec 5, 2006
Record last updated
Feb 28, 2024
Medicare enrollment
Enrolled (PECOS I20070716000440); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical neuropsychologist records → All 248 in Illinois → Look up another NPI →

Also registered at 22285 N Pepper RD Ste 401

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ameer Alwafai, M.D.Neurocritical Care Physician1255644779
  2. Megan Baldassarre, PSYDClinical Neuropsychologist1710332754
  3. Elizabeth Flaherty, M.D.Neurology Physician1881907699
  4. Kelsey Olson, PA-CPhysician Assistant1861084725
  5. Kelly Schaeffer, FNPFamily Nurse Practitioner1689192676
  6. Syema Sheikh, MDNeurology Physician1114360005

Verify Alia N. Ammar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 071007105    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Clear Cognition PLLCLake Barrington, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alia N. Ammar among 248 clinical neuropsychologist records in Illinois

Alia N. Ammar, PH.D. is one of 248 clinical neuropsychologist records with a practice address in Illinois. 35% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 76% newer
  • In a Medicare fileYes · 35% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated2003 · median 2013 among the 115 with a school on file
  • Record last updated2024 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103G00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2 clinical neuropsychologist records list a practice address in Lake Barrington

They are 2 of the 152 NPPES records with a practice address in Lake Barrington, and 248 clinical neuropsychologist records in Illinois.

All 248 in Illinois → Every provider in Lake Barrington → Clinical Neuropsychologist nationwide →

The 8 clinical neuropsychologist records with the nearest ZIP codes

  1. Megan Baldassarre, PSYDLake Barrington, IL 600101710332754
  2. Livia Bir, PSY.D.Crystal Lake, IL 600121033794318
  3. Katherine Wood, PH.D.Rolling Meadows, IL 600081942241500
  4. Theresa Campbell, PH.D.Elk Grove Village, IL 600071578506168
  5. Esther Yee Kwan Chin, PHDElk Grove Village, IL 600071043538572
  6. Amy Davis, PHDElk Grove Village, IL 600071992737852
  7. Brian Leahy, PHDElk Grove Village, IL 600071679505358
  8. Nicole Garcia, PSYDCrystal Lake, IL 600141194552752

Common questions

What is Alia N. Ammar, PH.D.'s NPI number?

Alia N. Ammar, PH.D.'s National Provider Identifier (NPI) is 1144388455, issued on Dec 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alia N. Ammar, PH.D. located?

The NPPES record lists a practice address at 22285 N Pepper RD Ste 401, Lake Barrington, IL, 60010. Phone: (847) 786-5366. Providers update this record themselves, so call before visiting.

How can I verify Alia N. Ammar, PH.D.'s license?

NPPES lists Illinois license number 071007105, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.