Individual provider · Type 1 NPI

Katherine Nguyen Williams, PhD

Psychologist · San Diego, CA

NPI number 1033316005 Active

Practice location

3665 Kearny Villa Rd, Suite 101
San Diego, CA 92123-1953

Call (858) 966-5832 Map

Fax (858) 966-6733

Mailing address

3020 Childrens Way, Mc 5018
San Diego, CA 92123-4223

Other practice locations

  • 200 W Arbor Dr, San Diego, CA 92103-9000 · (800) 926-8273
  • 8950 Villa La Jolla Dr Ste C101, La Jolla, CA 92037-1727 · (800) 926-8273

Specialties and licenses

TaxonomyCodeLicense
Clinical Child & Adolescent Psychologist 103TC2200XPSY22387 (CA)
Psychologist Primary 103T00000XPSY22387 (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 1033316005

Katherine Nguyen Williams, PhD's National Provider Identifier is 1033316005, issued on Jul 2, 2007. The primary taxonomy on file is Psychologist (103T00000X), and the practice location is in San Diego, CA. The record was last updated on Jul 15, 2026.