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

MS. Leigh M Simpson, LCSW

Individual provider Clinical Social Worker · NPI 1730391210

MS. Leigh M Simpson, LCSW is a Clinical Social Worker in Washington, District of Columbia. Practices as a sole proprietor. Licensed in District of Columbia and Virginia.

Licensed in
DC, VA
In the registry since
2007
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

3000 Connecticut Ave NW Ste 237
Washington, DC 20008 Not confirmed with CMS for 19 years — call before visiting
Phone: (703) 402-8793
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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 LC302851 (DC)
Clinical Social Worker Taxonomy 1041C0700X · Licence 0904004563 (VA)

Record details

NPI number1730391210
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMay 4, 2007
Last updated in NPPESJuly 8, 2007

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