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

MS. Ellen J. Neff, LCSW

Individual provider Clinical Social Worker · NPI 1639220775

MS. Ellen J. Neff, LCSW is a Clinical Social Worker in Southold, New York. Practices as a sole proprietor. Licensed in New York.

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

44210 N Rd
Southold, NY 11971-5032
Phone: (631) 463-3142
Fax: (631) 477-1284
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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 R052555-1 (NY)

Record details

NPI number1639220775
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJanuary 16, 2007
Last updated in NPPESMarch 3, 2010

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