Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Tiffany Williams, MOT, OTR/L, SWC, PAM

Occupational Therapist in Hawthorne, CA · enumerated 2014 · practices at Napa Center, Inc..

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

National Provider Identifier

1881002954

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Registry record

Entity type Individual (Type 1)

Name Tiffany Williams

Credential MOT, OTR/L, SWC, PAM

Sex Female

Practice address Hawthorne, CA, 90250

Phone (424) 269-3400

Fax (310) 882-5451

Enumeration date Aug 1, 2014

Last updated in NPPES May 20, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 14345 (CA) Primary

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 4821 (CT) Secondary

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 Tiffany Williams?

The National Provider Identifier (NPI) for Tiffany Williams is 1881002954, a Type 1 (individual) record in the CMS NPPES registry.

Where does Tiffany Williams practice?

The practice location on file with NPPES is in Hawthorne, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Lisa Murphy Occupational Therapist · Hawthorne, CA NPI 1578719472 Rebecca Weiss Physical Therapist · Hawthorne, CA NPI 1235374505 Napa Center, Inc. Rehabilitation Clinic/Center · Hawthorne, CA NPI 1194961433 Jennell Mundorf Occupational Therapist · Hawthorne, CA NPI 1659677722 Larissa Perry Physical Therapist · Hawthorne, CA NPI 1457609604 Miki Fukusumi Speech-Language Pathologist · Hawthorne, CA NPI 1821439381 Alison Kielty Occupational Therapist · Hawthorne, CA NPI 1427470228 Jennifer Andre Physical Therapist · Hawthorne, CA NPI 1053734152

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-20.