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

Dr. Steven Val Marcus, PHD

Individual provider Psychologist · NPI 1649286683

Dr. Steven Val Marcus, PHD is a Psychologist in Los Altos, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

1471 Hollidale Ct
Los Altos, CA 94024-6811
Phone: (650) 962-1987
Fax: (650) 962-1987
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY6465 (CA)

Record details

NPI number1649286683
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 31, 2006
Last updated in NPPESJuly 8, 2007
Mailing address1471 Hollidale Ct, Los Altos, CA 94024-6811

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