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

Individual provider Clinical Social Worker · NPI 1750789962

Margaret Clennan, LCSW is a Clinical Social Worker in Riverhead, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2014
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

3302 Willow Pond Dr
Riverhead, NY 11901-7226
Phone: (631) 786-0422
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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 R036988-1 (NY)

Record details

NPI number1750789962
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedDecember 22, 2014
Last updated in NPPESDecember 22, 2014

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