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

Matthew Geltmaker, LCSW

Individual provider Clinical Social Worker · NPI 1932304193

Matthew Geltmaker, LCSW is a Clinical Social Worker in San Mateo, 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

225 37th Ave
San Mateo, CA 94403-4324
Phone: (650) 573-2222
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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 22513 (CA)

Record details

NPI number1932304193
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJune 18, 2007
Last updated in NPPESJuly 8, 2007

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