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

Mr. Bruce Warren Matsen, LCSW

Individual provider Clinical Social Worker · NPI 1417343187

Mr. Bruce Warren Matsen, LCSW is a Clinical Social Worker in Glendale, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2015
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

1424 Ethel St
Glendale, CA 91207-1240
Phone: (818) 726-6876
Fax: (818) 500-1123
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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 LCSW13393 (CA)

Record details

NPI number1417343187
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedApril 9, 2015
Last updated in NPPESApril 9, 2015

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