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

Ralph Williams, PHD

Individual provider Forensic Psychologist · NPI 1336225374

Ralph Williams, PHD is a Forensic Psychologist in Sylmar, California. Licensed in California. Registered with an NPI since 2006.

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.

See every abbreviation used in this directory →

Practice location Address checks out

16350 Filbert St Dept OF Mental Health
Sylmar, CA 91342-1002
Phone: (818) 364-2152
Show map & directions

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

Specialties & licences

Forensic Psychologist (primary) Taxonomy 103TF0200X · Licence PSY10419 (CA)

Record details

NPI number1336225374
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedOctober 31, 2006
Last updated in NPPESJuly 8, 2007

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