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

MS. Hayley Mackenzie Leddington, LCSW

Individual provider Clinical Social Worker · NPI 1528561438

MS. Hayley Mackenzie Leddington, LCSW is a Clinical Social Worker in Brooklyn, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2018
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

475 Saint Marks Ave Apt 12C
Brooklyn, NY 11238-7450
Phone: (646) 853-3351
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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 085794-1 (NY)

Record details

NPI number1528561438
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMarch 16, 2018
Last updated in NPPESMarch 16, 2018

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