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

Mr. Derrick Martin Williams, LMSW

Individual provider Mental Health Counselor · NPI 1457774606

Mr. Derrick Martin Williams, LMSW is a Mental Health Counselor in Brooklyn, New York. Licensed in New York. Registered with an NPI since 2014.

Licensed in
NY
In the registry since
2014
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

102 Pilling St
Brooklyn, NY 11207-1610
Phone: (718) 602-1000
Fax: (718) 602-1111
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 087863-1 (NY)

Record details

NPI number1457774606
Entity typeIndividual (Type 1)
GenderMale
Credentials LMSW
Sole proprietorNo
NPI enumeratedJanuary 23, 2014
Last updated in NPPESJanuary 23, 2014

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