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

Jessica J Siwak, LCSW

Individual provider Clinical Social Worker · NPI 1477828713

Jessica J Siwak, LCSW is a Clinical Social Worker in Pontiac, Illinois. Licensed in Illinois. Registered with an NPI since 2012.

Licensed in
IL
In the registry since
2012
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

920 W Custer Ave
Pontiac, IL 61764-1067
Phone: (815) 844-6109
Fax: (815) 844-3561
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 149.015177 (IL)

Record details

NPI number1477828713
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedMarch 20, 2012
Last updated in NPPESJune 27, 2024
Certification dateJune 27, 2024

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