Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Terri Williams, RN

Occupational Health Registered Nurse in Santa Ana, CA · enumerated 2016.

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

National Provider Identifier

1033571369

Verified

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Registry record

Entity type Individual (Type 1)

Name Terri Williams

Credential RN

Sex Female

Practice address 600 W Santa Ana Blvd, Santa Ana, CA, 92701

Phone (714) 565-3783

Fax (714) 565-3788

Enumeration date Mar 25, 2016

Last updated in NPPES Mar 25, 2016

Taxonomy & licenses

163WX0106X Occupational Health Registered Nurse Nursing Service Providers · License 387338 (CA) Primary

RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Terri Williams practice?

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

What is the NPI number for Terri Williams?

The National Provider Identifier (NPI) for Terri Williams is 1033571369, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-03-25.