DR. JULIAN SETH DAYTON PSYD
NPI 1356024632
Psychologist in Bellevue, WA

Active since August 11, 2023Opted out of Medicare · through Nov 19, 2027
2370 130TH AVE NE STE 104, BELLEVUE, WA 98005(425) 628-2820 Get Directions Write a Review

NPPES record last updated: August 11, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Julian Seth Dayton Psyd NPPES

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

DR. JULIAN SETH DAYTON PSYD (NPI 1356024632) is an individual psychologist in Bellevue, Washington and active in the NPI registry since August 2023. He has opted out of Medicare through November 19, 2027.

NPPES Registry Identity

NPI1356024632
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. JULIAN SETH DAYTONCredential: PSYD
Location Address2370 130TH AVE NE STE 104Bellevue, WA 98005-1770
Mailing Address2370 130th Ave Ne Ste 104Bellevue, WA 98005-1770 · (425) 628-2820
Sole ProprietorNo
Enumeration DateAugust 11, 2023
NPPES CertifiedAugust 11, 2023
NPI 1356024632 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
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.
Also ListedPsychologist · CounselingTaxonomy 103TC1900X
2370 130TH AVE NE STE 104, Bellevue, WA 98005

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Opted out of Medicare

Dr. Julian Seth Dayton Psyd has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from November 19, 2025 through November 19, 2027.

Opt-Out Effective DateNovember 19, 2025
Opt-Out In Effect ThroughNovember 19, 2027Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (Mental Health)
2370 130TH AVE NE STE 104
BELLEVUE, WA 98005
Counselor (Mental Health)
2370 130TH AVE NE STE 104
BELLEVUE, WA 98005
Counselor (Mental Health)
2370 130TH AVE NE STE 104
BELLEVUE, WA 98005
Psychologist
2370 130TH AVE NE STE 104
BELLEVUE, WA 98005
Psychologist
2370 130TH AVE NE STE 104
BELLEVUE, WA 98005
Counselor (Mental Health)
2370 130TH AVE NE STE 104
BELLEVUE, WA 98005
Psychologist
2370 130TH AVE NE STE 104
BELLEVUE, WA 98005
Psychologist
2370 130TH AVE NE STE 104
BELLEVUE, WA 98005

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 Julian Dayton's NPI number?

The NPI number for Julian Dayton is 1356024632. It was assigned to this individual provider in the NPPES registry on August 11, 2023.

Where is Julian Dayton located?

Julian Dayton practices at 2370 130th Ave NE Ste 104, Bellevue, WA 98005. The listed phone number is (425) 628-2820.

What is Julian Dayton's specialty?

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

Is Julian Dayton enrolled in Medicare?

No. Julian Dayton has opted out of Medicare through November 19, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Julian Dayton was last updated on August 11, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.