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

Mr. Marvin Walker

Individual provider Mental Health Counselor · NPI 1255076469

Mr. Marvin Walker is a Mental Health Counselor in Oakland, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2022
Specialties on file
2
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Practice location Address checks out

390 40th St
Oakland, CA 94609-2633
Phone: (510) 613-0330
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Peer Specialist (primary) Taxonomy 175T00000X
Mental Health Counselor Taxonomy 101YM0800X (CA)

Record details

NPI number1255076469
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedMay 2, 2022
Last updated in NPPESDecember 30, 2022
Certification dateDecember 30, 2022

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