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

Dr. Theresa Volpe Johnstone, PHD

Individual provider Clinical Neuropsychologist · NPI 1588916191

Dr. Theresa Volpe Johnstone, PHD is a Clinical Neuropsychologist in Pleasanton, California. Practices as a sole proprietor. Licensed in California and Colorado.

Licensed in
CA, CO
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

7820 Applewood Way
Pleasanton, CA 94588-4307
Phone: (925) 484-0074
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 PSY17748 (CO)
Clinical Neuropsychologist Taxonomy 103G00000X · Licence PSY17748 (CA)
Intellectual & Developmental Disabilities Psychologist Taxonomy 103TM1800X · Licence PSY17748 (CA)
School Psychologist Taxonomy 103TS0200X · Licence PSY17748 (CA)

Record details

NPI number1588916191
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedOctober 5, 2012
Last updated in NPPESOctober 5, 2012

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