IndividualActive
Toshio Hayashi, LSW
NPI 1699925644 · Social Worker · Seattle, WA
Toshio Hayashi, LSW is a Social Worker provider in Seattle, WA (NPI 1699925644).
Provider details
- NPI number
- 1699925644
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LSW
- Sex
- Male
- Sole proprietor
- No
- License
- LW00004583 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(86/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES 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
1410 Ne 66th St
Seattle, WA 98115-6744
Phone: (206) 527-8336
Fax: (206) 527-4195
Street-level locationGet directions
Mailing address
905 Spruce St
Seattle, WA 98104-2474
Registry dates
- Enumerated
- 2008-09-26
- Last updated
- 2008-09-26
Frequently asked questions
- What is Toshio Hayashi's NPI number?
- Toshio Hayashi's National Provider Identifier (NPI) is 1699925644, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Toshio Hayashi's specialty?
- Toshio Hayashi is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Toshio Hayashi located?
- Toshio Hayashi's practice location on file with NPPES is 1410 Ne 66th St, Seattle, WA 98115-6744.
- What is Toshio Hayashi's phone number?
- The practice phone number listed in the NPPES registry for Toshio Hayashi is (206) 527-8336.
- Is Toshio Hayashi's NPI active?
- Yes — Toshio Hayashi's NPI (1699925644) is active in the NPPES registry as of the last update on 2008-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.