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

Mrs. Marylou Sosnowski, LCSW

Individual provider Clinical Social Worker · NPI 1093909376

Mrs. Marylou Sosnowski, LCSW is a Clinical Social Worker in Riverhead, New York. Licensed in New York. Registered with an NPI since 2007.

Licensed in
NY
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

298 Middle Rd
Riverhead, NY 11901-2034
Phone: (631) 369-1234
Fax: (631) 369-0130
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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 074054-1 (NY)

Record details

NPI number1093909376
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedAugust 30, 2007
Last updated in NPPESAugust 30, 2007

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