Julian Seth Dayton, PSYD

Primary specialty

PsychologistTaxonomy code 103T00000X

Practice address

2370 130TH Ave NE Ste 104
Bellevue, WA 98005-1770

Phone

(425) 628-2820

NPI assigned

Aug 11, 2023

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Opted out of Medicare

Yes, effective Nov 19, 2025 through Nov 19, 2027

Medicare enrollment (NPD)

Not enrolled

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Pacific Behavioral Healthcare

  • Mental Health Counselor
  • Bellevue, WA
  • NPI 1932529120
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1691712000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1691712000000",
    "number": "1356024632",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2370 130TH AVE NE STE 104",
            "city": "BELLEVUE",
            "state": "WA",
            "postal_code": "980051770",
            "telephone_number": "425-628-2820"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2370 130TH AVE NE STE 104",
            "city": "BELLEVUE",
            "state": "WA",
            "postal_code": "980051770",
            "telephone_number": "425-628-2820"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DAYTON",
        "first_name": "JULIAN",
        "middle_name": "SETH",
        "name_prefix": "Dr.",
        "credential": "PSYD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-08-11",
        "last_updated": "2023-08-11",
        "certification_date": "2023-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC1900X",
            "taxonomy_group": "",
            "desc": "Psychologist, Counseling",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ethan Jack Dawson, CCC-SLP
• Erik Day
• Kristopher M. Day, MD, FACS
• Sarah Jian Day
• Amado Daylo, M.D.
• Paul Curtis Dayton
• Hasan Dbouk, DDS
• DBT Eastside
• Angelica De Anda, LMHC, CMHS
• Maria De Costa, LSWAIC

• Psychologist in Bellevue, WA
• Providers in Bellevue, WA by specialty
• Psychologist in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 11, 2023; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.