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

Individual provider Clinical Social Worker · NPI 1639459944

Leslie Pena-Sullivan, LCSW is a Clinical Social Worker in Mamaroneck, New York. Practices as a sole proprietor and works from 2 locations. Licensed in New York.

Licensed in
NY
In the registry since
2011
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

234 Stanley Ave
Mamaroneck, NY 10543-2530
Phone: (914) 239-3006
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 910 E Boston Post Rd, Mamaroneck, NY 10543-4153 — (646) 725-5504

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 081857 (NY)

Record details

NPI number1639459944
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedAugust 18, 2011
Last updated in NPPESJune 17, 2019

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