William Gass L.W.
About this NPIWhat this record shows.
NPI 1003962648 is registered to William Gass L.W., a Clinical Social Worker practising at 4301 S Pine St, Ste 301 in Tacoma, Washington. Clinical Social Worker is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. William Gass L.W. has been enumerated in the National Provider Identifier (NPI) registry since 2007.
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 Gass L.W. accepts. To confirm in-network status with your specific health plan, contact William Gass L.W. directly at (253) 476-6500.
Frequently asked
Yes. NPI 1003962648 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Clinical 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 (253) 476-6500.
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 Gass L.W. is a Type-1 individual NPI.