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

Marcus Leaks, LCSW

Individual provider Social Worker · NPI 1518413673

Marcus Leaks, LCSW is a Social Worker in New York, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2016
Specialties on file
2
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

356 W 18th St
New York, NY 10011-4401
Phone: (212) 271-7200
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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 088970 (NY)
Social Worker Taxonomy 104100000X · Licence 098596 (NY)

Record details

NPI number1518413673
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedAugust 29, 2016
Last updated in NPPESJune 14, 2020
Certification dateJune 14, 2020

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