Individual provider · Type 1 NPI

Mary Josephine Hendrickson, PhD

Psychologist · Issaquah, WA

NPI number 1699755561 Active

Practice location

22500 SE 64th Pl Ste 230
Issaquah, WA 98027-8111

Call (425) 409-6414 Map

Fax (425) 409-6618

Specialties and licenses

TaxonomyCodeLicense
Psychologist Primary 103T00000XPY00002719 (WA)

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…

5 other providers at this address

Other psychologist providers in Issaquah

See all in Issaquah →

About NPI 1699755561

Mary Josephine Hendrickson, PhD's National Provider Identifier is 1699755561, issued on Jan 18, 2006. The primary taxonomy on file is Psychologist (103T00000X), and the practice location is in Issaquah, WA. The record was last updated on Oct 3, 2025.