Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. William Stanley, MSW
Social Worker in Renton, WA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1295882363
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Registry record
Entity type Individual (Type 1)
Name Mr. William Stanley
Credential MSW
Sex Male
Practice address 9806 Se Carr Rd, Renton, WA, 98055
Phone (425) 271-0986
Fax (425) 226-5912
Enumeration date Jan 4, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License LW00004880 (WA) Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does William Stanley practice?
The practice location on file with NPPES is in Renton, WA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for William Stanley?
The National Provider Identifier (NPI) for William Stanley is 1295882363, a Type 1 (individual) record in the CMS NPPES registry.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.