Toshio Hayashi, LSW
Social Worker · Seattle, WA
Toshio Hayashi, LSW is a social worker with a practice address in Seattle, Washington, and NPI 1699925644, issued on Sep 26, 2008. Check the license (Washington LW00004583, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Toshio Hayashi
- Credential
- LSW
- Primary taxonomy
- Social Worker 104100000X
- License number
- LW00004583 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1410 NE 66TH St, Seattle, WA 98115
- Phone
- (206) 527-8336
- Enumerated
- Sep 26, 2008
- Entity
- Type 1 · individual
Also registered at 1410 NE 66TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Douglas Holwerda, LMHCMental Health Counselor1790883072
- Roselyn Lane, RNRegistered Nurse1285973545
- Madalyn Nelson, RNSchool Registered Nurse1831796929
- Anina Terry, A.R.N.P.Family Nurse Practitioner1124434527
- Auky Van Beek, PA-CPhysician Assistant1063522480
- Elizabeth Winstanley, LICSWClinical Social Worker1194465831
Verify Toshio Hayashi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license LW00004583Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
513 social worker records list a Seattle practice address
They are 513 of the 41,956 NPPES records with a Seattle practice address, and 2,177 social worker records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 513 in Seattle → All 2,177 in Washington → Every provider in Seattle →
Other social worker records in Washington
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- Rehema Abdi, MSWSeattle, WA1679878573
- Elizabeth AbebefeSeattle, WA1376926899
- Dylan AbernathyPort Angeles, WA1710656723
- Sabeena Abraham, LMSWSpokane, WA1235543778
- Nocona Abrams, LICSWToppenish, WA1649942640
- Hani AbuassiSeattle, WA1033919261
- Isho AbukarBurien, WA1639640469
Common questions
What is Toshio Hayashi, LSW's NPI number?
Toshio Hayashi, LSW's National Provider Identifier (NPI) is 1699925644, issued on Sep 26, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Toshio Hayashi, LSW located?
The NPPES record lists a practice address at 1410 NE 66TH St, Seattle, WA, 98115. Phone: (206) 527-8336. Providers update this record themselves, so call before visiting.
How can I verify Toshio Hayashi, LSW's license?
NPPES lists Washington license number LW00004583, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.