NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Derek Widener, PTA

Physical Therapy Assistant in Santa Rosa, CA · enumerated 2011.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1154691624

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Derek Widener
Credential PTA
Sex Male
Practice address 1221 N Dutton Ave, Santa Rosa, CA, 95401
Enumeration date Dec 30, 2011
Last updated in NPPES Dec 30, 2011

Taxonomy & licenses

225200000X Physical Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 6568 (CA) Primary

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Derek Widener?
The National Provider Identifier (NPI) for Derek Widener is 1154691624, a Type 1 (individual) record in the CMS NPPES registry.
Where does Derek Widener practice?
The practice location on file with NPPES is in Santa Rosa, CA. 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 2011-12-30.