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

Susan Koestler LCSW, Inc

Organization Clinical Social Worker · NPI 1164703278

Susan Koestler LCSW, Inc is a Clinical Social Worker in Ottawa, Illinois. Licensed in Illinois. Registered with an NPI since 2011.

Licensed in
IL
In the registry since
2011
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1410 Aquarius Cir Ste 2
Ottawa, IL 61350-9059
Phone: (815) 587-4952
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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 149009180 (IL)

Record details

NPI number1164703278
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Susan Koestler — President · (815) 587-4952
NPI enumeratedSeptember 1, 2011
Last updated in NPPESSeptember 1, 2011
Mailing address1410 Aquarius Cir Ste 2, Ottawa, IL 61350-9059

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