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

Dr. Jon Warshawsky, PHD

Individual provider Clinical Psychologist · NPI 1134495583

Dr. Jon Warshawsky, PHD is a Clinical Psychologist in Marion, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2012
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

103 E College St
Marion, IL 62959-2601
Phone: (347) 688-4778
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 071007892 (IL)

Record details

NPI number1134495583
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 30, 2012
Last updated in NPPESMay 13, 2012

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