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

Dennis J Niswonger, Psy D, SC

Organization Clinical Psychologist · NPI 1760656581

Dennis J Niswonger, Psy D, SC provides Clinical Psychologist services in Orland Park, Illinois. Licensed in Illinois. Registered with an NPI since 2008.

Licensed in
IL
In the registry since
2008

Practice location Address checks out

15040 S Ravinia Ave Ste 49
Orland Park, IL 60462-3194 Not confirmed with CMS for 16 years — call before visiting
Phone: (708) 364-3232
Fax: (708) 364-3233
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 071-007045 (IL)

Record details

NPI number1760656581
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Dennis Niswonger — Owner · (708) 364-3232
NPI enumeratedApril 14, 2008
Last updated in NPPESFebruary 18, 2010
Mailing address15040 S Ravinia Ave, Suite 49, Orland Park, IL 60462-3194

Other providers in Orland Park