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

Dr. Bruce Warren Williams, PHD

Individual provider Intellectual & Developmental Disabilities Psychologist · NPI 1841492675

Dr. Bruce Warren Williams, PHD is an Intellectual & Developmental Disabilities Psychologist in Pasadena, California. Practices as a sole proprietor. Licensed in California.

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

897 S Los Robles Ave
Pasadena, CA 91106-3716
Phone: (626) 792-6455
Fax: (213) 763-5636
Show map & directions

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

Specialties & licences

Intellectual & Developmental Disabilities Psychologist (primary) Taxonomy 103TM1800X · Licence PSY12785 (CA)

Record details

NPI number1841492675
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJune 4, 2007
Last updated in NPPESJuly 8, 2007

Other providers in Pasadena