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

Kathleen Sisti, LMSW

Individual provider Social Worker · NPI 1144887340

Kathleen Sisti, LMSW is a Social Worker in Smithtown, New York. Licensed in New York. Registered with an NPI since 2019.

Licensed in
NY
In the registry since
2019
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

See every abbreviation used in this directory →

Practice location Address checks out

811 W Jericho Tpke Ste 106E
Smithtown, NY 11787-3220
Phone: (631) 265-9850
Fax: (631) 265-9852
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 084188 (NY)

Record details

NPI number1144887340
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorNo
NPI enumeratedMay 22, 2019
Last updated in NPPESMay 22, 2019

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