DR. ANDREW RYAN DEVENDORF PHD
NPI 1841133295
Psychologist in Seattle, WA

Active since April 10, 2026
4801 RAINIER AVE S, SEATTLE, WA 98118(847) 946-2786 Get Directions Write a Review

NPPES record last updated: April 10, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Andrew Ryan Devendorf Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ANDREW RYAN DEVENDORF PHD (NPI 1841133295) is an individual psychologist in Seattle, Washington, licensed in Washington (PSYC.PY.61670611) and active in the NPI registry since April 2026.

NPPES Registry Identity

NPI1841133295
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. ANDREW RYAN DEVENDORFCredential: PHD
Location Address4801 RAINIER AVE SSeattle, WA 98118-2181
Mailing Address4801 Rainier Ave SSeattle, WA 98118-2181 · (847) 946-2786
Sole ProprietorYes
Enumeration DateApril 10, 2026
NPPES CertifiedApril 10, 2026
NPI 1841133295 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in WA · PSYC.PY.61670611
Definition
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 adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
4801 RAINIER AVE S, Seattle, WA 98118

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Andrew Devendorf's NPI number?

The NPI number for Andrew Devendorf is 1841133295. It was assigned to this individual provider in the NPPES registry on April 10, 2026.

Where is Andrew Devendorf located?

Andrew Devendorf practices at 4801 Rainier Ave S, Seattle, WA 98118. The listed phone number is (847) 946-2786.

What is Andrew Devendorf's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

When was this NPI record last updated?

The NPPES record for Andrew Devendorf was last updated on April 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.