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

William Wu, LMSW, CASAC-G

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1437406246

William Wu, LMSW, CASAC-G is an Addiction (Substance Use Disorder) Counselor in Brooklyn, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2012
Specialties on file
2
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

See every abbreviation used in this directory →

Practice location Address checks out

2071 Fulton St
Brooklyn, NY 11233-3331
Phone: (347) 770-8650
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X (NY)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X (NY)

Record details

NPI number1437406246
Entity typeIndividual (Type 1)
GenderMale
Credentials LMSW , CASAC-G
Sole proprietorYes
NPI enumeratedAugust 10, 2012
Last updated in NPPESApril 28, 2014

Other providers in Brooklyn