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

Heidi Vanderwerff, LICSW

Individual provider Clinical Social Worker · NPI 1891939559

Heidi Vanderwerff, LICSW is a Clinical Social Worker in Washington, District of Columbia. Licensed in District of Columbia. Registered with an NPI since 2009.

Licensed in
DC
In the registry since
2009
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

508 Kennedy St NW Ste 304
Washington, DC 20011-3137
Phone: (202) 734-4774
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 LC50078921 (DC)

Record details

NPI number1891939559
Entity typeIndividual (Type 1)
GenderFemale
Credentials LICSW
Sole proprietorNo
NPI enumeratedApril 25, 2009
Last updated in NPPESApril 23, 2025
Certification dateApril 23, 2025

Other providers in Washington