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

Mr. William Jefferson Underwood Jr., MSW

Individual provider Clinical Social Worker · NPI 1659560142

Mr. William Jefferson Underwood Jr., MSW is a Clinical Social Worker in Hemet, California. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Address checks out

650 N State St
Hemet, CA 92543-2960
Phone: (951) 791-2338
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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

Record details

NPI number1659560142
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW
Sole proprietorNo
NPI enumeratedOctober 19, 2007
Last updated in NPPESOctober 19, 2007

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