Individual provider · Type 1 NPI

David Sitzer, PhD

Psychologist · Palo Alto, CA

NPI number 1619091253 Active · reactivated Jul 18, 2025

Practice location

667 Lytton Ave
Palo Alto, CA 94301-1335

Call (650) 269-0657 Map

Mailing address

375 Cambridge Ave
Palo Alto, CA 94306-1613

Specialties and licenses

TaxonomyCodeLicense
Psychologist Primary 103T00000XPSY 13538 (CA)

Psychologist: A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustmen…

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About NPI 1619091253

David Sitzer, PhD's National Provider Identifier is 1619091253, issued on Mar 19, 2007. The primary taxonomy on file is Psychologist (103T00000X), and the practice location is in Palo Alto, CA. The record was last updated on Jul 18, 2025.