William Youngman Msw
About this NPIWhat this record shows.
NPI 1194535690 is registered to William Youngman Msw, a Social Worker practising at 401 5th Ave in Seattle, Washington. Social Worker is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. William Youngman Msw has been enumerated in the National Provider Identifier (NPI) registry since 2025.
Your brand here.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans William Youngman Msw accepts. To confirm in-network status with your specific health plan, contact William Youngman Msw directly at (206) 699-2970.
Frequently asked
Yes. NPI 1194535690 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Social Worker is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (206) 699-2970.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. William Youngman Msw is a Type-1 individual NPI.