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

MS. Sylvia Darlene Joyner, LCSW

Individual provider Clinical Social Worker · NPI 1962090407

MS. Sylvia Darlene Joyner, LCSW is a Clinical Social Worker in Vallejo, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2021
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

631 Tennessee St
Vallejo, CA 94590-4432
Phone: (510) 917-7773
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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 80866 (CA)

Record details

NPI number1962090407
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJanuary 8, 2021
Last updated in NPPESJanuary 8, 2021
Certification dateJanuary 8, 2021

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