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

Individual provider Clinical Social Worker · NPI 1477853810

Joan M Cassara, LCSW is a Clinical Social Worker in East Islip, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2010
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

17 William Ave
East Islip, NY 11730-2304
Phone: (631) 277-6064
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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 021834 (NY)

Record details

NPI number1477853810
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedNovember 2, 2010
Last updated in NPPESNovember 2, 2010

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