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

Individual provider Clinical Social Worker · NPI 1003052580

Mr. John Anthony Knoerzer, LCSW is a Clinical Social Worker in Chicago, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2009
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

3850 W Sunnyside Ave #304
Chicago, IL 60625-6331
Phone: (773) 234-1517
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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 149012887 (IL)

Record details

NPI number1003052580
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJanuary 5, 2009
Last updated in NPPESApril 11, 2011

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