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

Individual provider Clinical Social Worker · NPI 1689891400

Matthew Walker, LCSW is a Clinical Social Worker in New York, New York. Licensed in New York. Registered with an NPI since 2007.

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

1468 Madison Ave
New York, NY 10029-6508 Not confirmed with CMS for 14 years — call before visiting
Phone: (212) 659-8752
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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 R057676-1 (NY)

Record details

NPI number1689891400
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedApril 20, 2007
Last updated in NPPESJune 13, 2012

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