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

Leslie Claire Siembieda, LCSW

Individual provider Clinical Social Worker · NPI 1447335286

Leslie Claire Siembieda, LCSW is a Clinical Social Worker in Arroyo Grande, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
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

118 Nevada St
Arroyo Grande, CA 93420-2610
Phone: (805) 748-9152
Fax: (805) 556-0488
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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 LCS19425 (CA)

Record details

NPI number1447335286
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedOctober 26, 2006
Last updated in NPPESJuly 8, 2007

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