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

Marian E. Williams, PHD

Individual provider Clinical Psychologist · NPI 1689711202

Marian E. Williams, PHD is a Clinical Psychologist in Los Angeles, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

4650 W Sunset Blvd Mailstop #53
Los Angeles, CA 90027-6062
Phone: (323) 361-8525
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY12787 (CA)

Record details

NPI number1689711202
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedJanuary 31, 2007
Last updated in NPPESJuly 8, 2007

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