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

Dr. Ronald Burton Leaf, PHD

Individual provider Cognitive & Behavioral Psychologist · NPI 1700133162

Dr. Ronald Burton Leaf, PHD is a Cognitive & Behavioral Psychologist in Seal Beach, California. Licensed in California. Registered with an NPI since 2012.

Licensed in
CA
In the registry since
2012
Specialties on file
4
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

200 Marina Dr
Seal Beach, CA 90740-6023
Phone: (562) 431-9293
Fax: (562) 431-8386
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 11481 (CA)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence 11481 (CA)
Counseling Psychologist Taxonomy 103TC1900X · Licence 11481 (CA)
Intellectual & Developmental Disabilities Psychologist Taxonomy 103TM1800X · Licence 11481 (CA)

Record details

NPI number1700133162
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedAugust 4, 2012
Last updated in NPPESAugust 4, 2012
Mailing address200 Marina Dr, Seal Beach, CA 90740-6023

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