Search › Washington › 101Y00000X
William Large
NPI 1225963796 · on the registry since 2026 · sole proprietor
Practice
- Address
- 4555 Delridge Way Sw
Seattle, WA 98106 - Phone
- (253) 304-7939
- Organisation at this address
- Southwest Youth And Family Services
Inferred from a shared address, not stated in the registry.
- Clinicians at this address
- 47
Registry record
- Primary taxonomy
- 101Y00000X
101Y00000X
- Licence states on file
- WA
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2026-06-16
Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Washington