Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dayna Williams, PT, DPT
Physical Therapist in Stockton, CA · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1972211399
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Registry record
Entity type Individual (Type 1)
Name Dayna Williams
Credential PT, DPT
Sex Female
Practice address 3215 N California St, Stockton, CA, 95204
Phone (209) 464-6016
Enumeration date Nov 15, 2022
Last updated in NPPES Jul 23, 2025
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 303131 (CA) Primary
PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation.
About the PT credential
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 Dayna Williams practice?
The practice location on file with NPPES is in Stockton, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Dayna Williams?
The National Provider Identifier (NPI) for Dayna Williams is 1972211399, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → May Mardini Physical Therapist · Stockton, CA NPI 1801866777 West Coast Orthotic & Prosthetic Services Inc Orthotic Fitter · Stockton, CA NPI 1841211992 West Coast Orthotic and Prosthetic Prosthetic/Orthotic Supplier · Stockton, CA NPI 1497850630 Tamara Phelan Physical Therapist · Stockton, CA NPI 1306908181 Megan Woodward Physical Therapist · Stockton, CA NPI 1679757470 Cecilia Ferreyra Other Specialist/Technologist · Stockton, CA NPI 1942503883 Cassandra Chu Physical Therapist · Stockton, CA NPI 1538738364
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-07-23.