Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Mark George Jiaras, PSYD

Individual provider Clinical Psychologist · NPI 1932110020

Dr. Mark George Jiaras, PSYD is a Clinical Psychologist in Wilmette, Illinois. Qualified in 1999, 27 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
27
Licensed in
IL
In the registry since
2006
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

825 Green Bay Rd Ste 210
Wilmette, IL 60091-2500
Phone: (847) 630-3900
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 071-006111 (IL)

Record details

NPI number1932110020
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedAugust 11, 2006
Last updated in NPPESOctober 19, 2020
Certification dateOctober 19, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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