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

Mr. Calvin J Walker, MHRS

Individual provider Clinical Social Worker · NPI 1932300555

Mr. Calvin J Walker, MHRS is a Clinical Social Worker in Hayward, California. Practices as a sole proprietor. Registered with an NPI since 2007.

In the registry since
2007

Practice location Address checks out

258 W A St
Hayward, CA 94541-4850
Phone: (510) 537-1413
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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 number1932300555
Entity typeIndividual (Type 1)
GenderMale
Credentials MHRS
Sole proprietorYes
NPI enumeratedMay 30, 2007
Last updated in NPPESJuly 8, 2007

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