Lost and Found Therapy
NPI 1770456600 · Clinical Social Worker · Seattle, WA
Lost and Found Therapy is a Clinical Social Worker organization in Seattle, WA (NPI 1770456600).
Provider details
- NPI number
- 1770456600
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Yuan Yuan Liu, Founder/Clinician(650) 804-1658
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-09-26
- Last updated
- 2025-10-22
- Certified
- 2025-10-22
Frequently asked questions
- What is Lost and Found Therapy's NPI number?
- Lost and Found Therapy's National Provider Identifier (NPI) is 1770456600, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Lost and Found Therapy?
- Lost and Found Therapy is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Lost and Found Therapy located?
- Lost and Found Therapy's practice location on file with NPPES is 6041 California Ave Sw Ste 105, Seattle, WA 98136-1673.
- What is Lost and Found Therapy's phone number?
- The practice phone number listed in the NPPES registry for Lost and Found Therapy is (650) 804-1658.
- Who is the authorized official for Lost and Found Therapy?
- The authorized official listed on Lost and Found Therapy's NPPES record is Yuan Yuan Liu, Founder/Clinician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Lost and Found Therapy's NPI active?
- Yes — Lost and Found Therapy's NPI (1770456600) is active in the NPPES registry as of the last update on 2025-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.