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

Mr. Thomas Valley Grigsby, BS

Individual provider Case Manager/Care Coordinator · NPI 1558435016

Mr. Thomas Valley Grigsby, BS is a Case Manager/Care Coordinator in Fullerton, California. Registered with an NPI since 2006.

In the registry since
2006
What do these letters mean?
BS — Bachelor of Science
An undergraduate science degree.

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Practice location Address checks out

801 E Chapman Ave
Fullerton, CA 92831-3839
Phone: (714) 680-9000
Fax: (714) 680-9007
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Case Manager/Care Coordinator (primary) Taxonomy 171M00000X

Record details

NPI number1558435016
Entity typeIndividual (Type 1)
GenderMale
Credentials BS
Sole proprietorNo
NPI enumeratedNovember 17, 2006
Last updated in NPPESJuly 8, 2007

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