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Psychologists in Glen Ellyn, IL

Browse 4 Psychologist providers listed in NPPES with a practice address in Glen Ellyn, Illinois.

4 Healthcare Providers

How Glen Ellyn compares with the U.S.

4 active Psychologists list a practice address in Glen Ellyn, IL in the NPI registry.

With fewer than 10 clinicians, rates per 100,000 residents are not reliable enough to compare.

Too few Psychologists in Glen Ellyn are listed in the CMS Medicare file to report Medicare assignment or telehealth shares.

These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.

Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com ยท Methodology

Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026.

Showing 1โ€“4 of 4 providers
With recent CMS data first, then Aโ€“Z

Dr. Mary Elizabeth Crois , PsyD

Psychologist

Active NPI Status
331 Phillips Ave, Glen Ellyn, IL 601374938
Phone: 6308813894
NPI Identifier 1659453579
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Dr. Ashley Ann Frank Slott , PsyD, CADC

Psychologist

Active NPI Status
420 Pennsylvania Ave Ste 101, Glen Ellyn, IL 601374427
Phone: 6304744353
NPI Identifier 1518560036
View Full Profile

Dr. Sultan S Hasapis , PsyD

Psychologist

Active NPI Status Accepts Medicare Assignment
800 Roosevelt Road, Building B, Suite 419a, Glen Ellyn, IL 60137
Phone: 6309080098
NPI Identifier 1639510555
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Dr. Terry L Wright , PsyD

Psychologist

Active NPI Status Accepts Medicare Assignment
800 Roosevelt Rd, Bldg. A, Ste. 321, Glen Ellyn, IL 601375839
Phone: 6302632583
NPI Identifier 1255466488
View Full Profile

Frequently Asked Questions about Psychologist in Glen Ellyn

How do I check a Psychologist practitioner's license?

Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the Illinois licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.

Why is a practitioner missing from this list?

This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.