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

Dr. Margaret Joy Byrnes, PHD

Individual provider Clinical Psychologist · NPI 1750393096

Dr. Margaret Joy Byrnes, PHD is a Clinical Psychologist in Lisle, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

5950 Lincoln Ave Unit W
Lisle, IL 60532-2613
Phone: (630) 541-8930
Fax: (630) 541-8940
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 071-006427 (IL)

Record details

NPI number1750393096
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedAugust 13, 2006
Last updated in NPPESJune 20, 2018

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