Individual provider · Type 1 NPI

Duncan Patrick O'Mahony, PSYCHOLOGIST

Psychologist · Issaquah, WA

NPI number 1821963869 Active

Practice location

195 NE Gilman Blvd Ste 100
Issaquah, WA 98027-2940

Mailing address

8823 Holly Dr Apt 505
Everett, WA 98208-1843

Specialties and licenses

TaxonomyCodeLicense
Mental Health Counselor 101YM0800XMHCLH61523993 (WA)
Psychologist Primary 103T00000XPSYA.PG.7O165412 (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…

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About NPI 1821963869

Duncan Patrick O'Mahony, PSYCHOLOGIST's National Provider Identifier is 1821963869, issued on Oct 8, 2025. The primary taxonomy on file is Psychologist (103T00000X), and the practice location is in Issaquah, WA. The record was last updated on Sep 9, 2026.