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

Joan Williams, LICSW

Individual provider Clinical Social Worker · NPI 1558236687

Joan Williams, LICSW is a Clinical Social Worker in Washington, District of Columbia. Practices as a sole proprietor. Licensed in District of Columbia.

Licensed in
DC
In the registry since
2025
What do these letters mean?
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

3816 26th St NE
Washington, DC 20018-3127
Phone: (860) 280-4282
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LC50081202 (DC)

Record details

NPI number1558236687
Entity typeIndividual (Type 1)
GenderFemale
Credentials LICSW
Sole proprietorYes
NPI enumeratedOctober 8, 2025
Last updated in NPPESOctober 8, 2025
Certification dateOctober 8, 2025

Other providers in Washington