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

Individual provider Clinical Social Worker · NPI 1548394281

MS. Bonnie Joyce Koss, LCSW is a Clinical Social Worker in Arlington Heights, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2007
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

115 S Wilke Rd
Arlington Heights, IL 60005-1532
Phone: (847) 259-2020
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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 (IL)

Record details

NPI number1548394281
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMarch 15, 2007
Last updated in NPPESJuly 8, 2007

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