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

Mr. Brian Thomas Clark, LCSW, CASAC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1811058761

Mr. Brian Thomas Clark, LCSW, CASAC is an Addiction (Substance Use Disorder) Counselor in Brooklyn, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
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

514 49th St Lmc Sunset Ter
Brooklyn, NY 11220-2010
Phone: (718) 437-5233
Fax: (718) 633-4256
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 038177 (NY)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 6617 (NY)

Record details

NPI number1811058761
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW , CASAC
Sole proprietorNo
NPI enumeratedDecember 13, 2006
Last updated in NPPESSeptember 11, 2025

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