Organization Active NPI

Treat Mental Health Washington LLC

  • Community/Behavioral Health Agency
  • Bellevue, WA
National Provider Identifier
1477374304
Registry record updated Aug 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Community/Behavioral Health AgencyTaxonomy code 251S00000X
Legal business name
TREAT MENTAL HEALTH WASHINGTON LLC
Practice address
13555 SE 36TH St Ste 110
Bellevue, WA 98006-1400
Phone
(949) 506-6162
NPI assigned
Oct 23, 2024
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 17, 2026

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

Authorized official

Name
Emily Hinson
Title
Authorized Official
Phone
(206) 483-0322

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Community/Behavioral Health Agency 251S00000X Primary
Adult Mental Health Clinic/Center 261QM0850X

Addresses

Primary practice location

13555 SE 36TH St Ste 110
Bellevue, WA 98006-1400

Mailing address

2915 Red Hill Ave Ste A210C
Costa Mesa, CA 92626-7979

National Provider Directory

National Provider Directory

NPI Registry JSON

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

{
    "created_epoch": "1729641600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1786924800000",
    "number": "1477374304",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2915 RED HILL AVE STE A210C",
            "city": "COSTA MESA",
            "state": "CA",
            "postal_code": "926267979"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13555 SE 36TH ST STE 110",
            "city": "BELLEVUE",
            "state": "WA",
            "postal_code": "980061400",
            "telephone_number": "949-506-6162"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "TREAT MENTAL HEALTH WASHINGTON LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2024-10-23",
        "last_updated": "2026-08-17",
        "certification_date": "2026-08-17",
        "status": "A",
        "authorized_official_last_name": "HINSON",
        "authorized_official_first_name": "EMILY",
        "authorized_official_title_or_position": "AUTHORIZED OFFICIAL",
        "authorized_official_telephone_number": "206-483-0322"
    },
    "taxonomies": [
        {
            "code": "251S00000X",
            "taxonomy_group": "",
            "desc": "Community/Behavioral Health",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "261QM0850X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Adult Mental Health",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bellevue, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.