Organization Active NPI

Lost and Found Therapy

  • Clinical Social Worker
  • Seattle, WA
National Provider Identifier
1770456600
Registry record updated Oct 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
Legal business name
LOST AND FOUND THERAPY
Practice address
6041 California Ave SW Ste 105
Seattle, WA 98136-1673
Phone
(650) 804-1658
NPI assigned
Sep 26, 2025
Last updated
Oct 22, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Oct 22, 2025

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

Authorized official

Name
Yuan Yuan Liu, LICSWNPI 1346926938
Title
Founder/Clinician
Phone
(650) 804-1658

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health CounselorGroup: 193200000X MULTI-SPECIALTY GROUP 101YM0800X
Clinical Social WorkerGroup: 193200000X MULTI-SPECIALTY GROUP 1041C0700X Primary

Addresses

Primary practice location

6041 California Ave SW Ste 105
Seattle, WA 98136-1673

Mailing address

3261 SW Avalon Way Apt 610
Seattle, WA 98126-2890

National Provider Directory

National Provider Directory

Locations

6041 California Ave SW
Ste 105
Seattle, WA 98136
Phone (650) 804-1658

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1758844800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1761091200000",
    "number": "1770456600",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3261 SW AVALON WAY APT 610",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981262890"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6041 CALIFORNIA AVE SW STE 105",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981361673",
            "telephone_number": "650-804-1658"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "LOST AND FOUND THERAPY",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-09-26",
        "last_updated": "2025-10-22",
        "certification_date": "2025-10-22",
        "status": "A",
        "authorized_official_last_name": "LIU",
        "authorized_official_first_name": "YUAN YUAN",
        "authorized_official_title_or_position": "FOUNDER/CLINICIAN",
        "authorized_official_telephone_number": "650-804-1658",
        "authorized_official_credential": "LICSW"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Social Worker, Clinical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 22, 2025; 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.