Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Matthew R Williams
Dentist in Marysville, WA · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1932339702
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Registry record
Entity type Individual (Type 1)
Name Matthew R Williams
Sex Male
Practice address 1603 Grove St, Marysville, WA, 98270
Phone (360) 651-1882
Fax (360) 651-1889
Enumeration date Jul 15, 2009
Last updated in NPPES Apr 8, 2025
Taxonomy & licenses
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
What is the NPI number for Matthew Williams?
The National Provider Identifier (NPI) for Matthew Williams is 1932339702, a Type 1 (individual) record in the CMS NPPES registry.
Where does Matthew Williams practice?
The practice location on file with NPPES is in Marysville, WA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-04-08.