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

Grace Claire Riddell, LICSW, LCSW

Individual provider Clinical Social Worker · NPI 1053367078

Grace Claire Riddell, LICSW, LCSW is a Clinical Social Worker in Washington, District of Columbia. Practices as a sole proprietor. Licensed in District of Columbia and Maryland.

Licensed in
DC, MD
In the registry since
2006
Specialties on file
2
What do these letters mean?
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.
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

3000 Connecticut Ave NW Ste 137
Washington, DC 20008-2509
Phone: (301) 942-3237
Fax: (301) 942-2047
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LC301378 (DC)
Clinical Social Worker Taxonomy 1041C0700X · Licence 05523 (MD)

Record details

NPI number1053367078
Entity typeIndividual (Type 1)
GenderFemale
Credentials LICSW , LCSW
Sole proprietorYes
NPI enumeratedMay 25, 2006
Last updated in NPPESJuly 6, 2010

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