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

MS. Diana A Ellis, LCSW

Individual provider Clinical Social Worker · NPI 1346476546

MS. Diana A Ellis, LCSW is a Clinical Social Worker in Sunnyvale, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2009
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

877 W Fremont Ave Ste K5
Sunnyvale, CA 94087-2319
Phone: (408) 517-9835
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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 LCS13911 (CA)

Record details

NPI number1346476546
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJune 3, 2009
Last updated in NPPESJune 3, 2009

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