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 provides Clinical Social Worker services 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 Not confirmed with CMS for 15 years — call before visiting
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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