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

Dr. Phyllis N. Williamson, PHD

Individual provider Clinical Psychologist · NPI 1477634087

Dr. Phyllis N. Williamson, PHD is a Clinical Psychologist in Sacramento, 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.

See every abbreviation used in this directory →

Practice location Address checks out

2609 Capitol Ave Ste 6
Sacramento, CA 95816-5904
Phone: (916) 955-0670
Fax: (916) 369-0670
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY12550 (CA)

Record details

NPI number1477634087
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedOctober 18, 2006
Last updated in NPPESDecember 9, 2010

Other providers in Sacramento