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

Lester Summerfield, PHD

Individual provider Clinical Psychologist · NPI 1538611017

Lester Summerfield, PHD is a Clinical Psychologist in Westlake Village, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2016
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

4045 E Thousand Oaks Blvd Ste 220
Westlake Village, CA 91362-6977
Phone: (805) 496-6992
Fax: (805) 496-4787
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence CA PSY 6055 (CA)

Record details

NPI number1538611017
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedOctober 31, 2016
Last updated in NPPESApril 9, 2025
Certification dateApril 9, 2025

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