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

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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

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

Directions in Google Maps · Apple Maps · OpenStreetMap

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
Mailing addressPo Box 25, Makanda, IL 62958-0025

Other providers in Marion