Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Marcia Dianne Landau, PHD

Individual provider Marriage & Family Therapist · NPI 1457263915

Marcia Dianne Landau, PHD is a Marriage & Family Therapist in West Hills, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2026
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

23452 Justice St
West Hills, CA 91304-4403
Phone: (805) 857-2355
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 20182 (CA)

Record details

NPI number1457263915
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedSeptember 21, 2026
Last updated in NPPESSeptember 21, 2026
Certification dateSeptember 20, 2026

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