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

Dr. Timothy Tennyson, PHD

Individual provider Clinical Neuropsychologist · NPI 1407290752

Dr. Timothy Tennyson, PHD is a Clinical Neuropsychologist in Costa Mesa, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2013
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.

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Practice location Address checks out

3140 Red Hill Ave Ste 130
Costa Mesa, CA 92626-3400
Phone: (949) 307-3600
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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 PSY10217 (CA)
Clinical Neuropsychologist Taxonomy 103G00000X · Licence PSY10217 (CA)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence PSY10217 (CA)
Forensic Psychologist Taxonomy 103TF0200X · Licence PSY10217 (CA)

Record details

NPI number1407290752
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedApril 17, 2013
Last updated in NPPESApril 17, 2013
Mailing address3140 Red Hill Ave Ste 130, Costa Mesa, CA 92626-3400

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