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

Dr. John Lee Powell III, PHD

Individual provider Cognitive & Behavioral Psychologist · NPI 1952495020

Dr. John Lee Powell III, PHD is a Cognitive & Behavioral Psychologist in Rocklin, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
Specialties on file
5
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

5701 Lonetree Blvd Ste 216
Rocklin, CA 95765-3772
Phone: (916) 342-4077
Show map & directions

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

Specialties & licences

Clinical Child & Adolescent Psychologist (primary) Taxonomy 103TC2200X · Licence 23682 (CA)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence 23682 (CA)
Family Psychologist Taxonomy 103TF0000X · Licence 23682 (CA)
Intellectual & Developmental Disabilities Psychologist Taxonomy 103TM1800X · Licence 23682 (CA)
Clinical Psychologist Taxonomy 103TC0700X · Licence 23682 (CA)

Record details

NPI number1952495020
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedOctober 3, 2006
Last updated in NPPESAugust 28, 2014