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

Mr. Matthew William Madaus, LCSW

Individual provider Social Worker · NPI 1336461532

Mr. Matthew William Madaus, LCSW is a Social Worker in Marysville, California. Practices as a sole proprietor. Registered with an NPI since 2010.

In the registry since
2010
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

103 D St
Marysville, CA 95901-6017
Phone: (530) 237-1130
Fax: (530) 671-3877
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X

Record details

NPI number1336461532
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedFebruary 16, 2010
Last updated in NPPESFebruary 16, 2010

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