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

Mr. Jonathan M Westhoff, LCSW

Individual provider Mental Health Counselor · NPI 1073885844

Mr. Jonathan M Westhoff, LCSW is a Mental Health Counselor in Joliet, Illinois. Practices as a sole proprietor. Licensed in Illinois.

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.

See every abbreviation used in this directory →

Practice location Address checks out

815 N Larkin Ave Ste 104B
Joliet, IL 60435-3438
Phone: (815) 730-8900
Fax: (815) 733-6030
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 149.013915 (IL)

Record details

NPI number1073885844
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedFebruary 8, 2012
Last updated in NPPESFebruary 8, 2012

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