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

Individual provider Clinical Social Worker · NPI 1235345869

Matthew Day, LCSW is a Clinical Social Worker in Oakland, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
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

616 16th St
Oakland, CA 94612-1205
Phone: (510) 451-4270
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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 23642 (CA)

Record details

NPI number1235345869
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedMay 14, 2007
Last updated in NPPESJuly 16, 2007

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