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

Individual provider Clinical Social Worker · NPI 1629198809

Phyllis Maack Koch, LCSW is a Clinical Social Worker in Naperville, Illinois. Licensed in Illinois. Registered with an NPI since 2007.

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

43 E Jefferson Ste 203
Naperville, IL 60540
Phone: (630) 369-8885
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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 number1629198809
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedMarch 30, 2007
Last updated in NPPESJuly 8, 2007

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