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

Mr. Grant David Greenberg, LCSW

Individual provider Social Worker · NPI 1528490075

Mr. Grant David Greenberg, LCSW is a Social Worker in Portsmouth, Virginia. Practices as a sole proprietor and works from 2 locations. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2013
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

620 John Paul Jones Cir
Portsmouth, VA 23708-2111
Phone: (757) 953-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • Farenholt Ave Bldg 50, Agana Heights, GU 69610 — (671) 339-3205

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence CW019062 (PA)
Social Worker Taxonomy 104100000X · Licence SW130180 (PA)

Record details

NPI number1528490075
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedAugust 7, 2013
Last updated in NPPESJanuary 30, 2025
Certification dateJanuary 30, 2025

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