Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Amanda Isabel Vierra

Social Worker in Woodland, CA · enumerated 2023.

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

National Provider Identifier

1689372112

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Registry record

Entity type Individual (Type 1)

Name Ms. Amanda Isabel Vierra

Sex Female

Practice address 137 N Cottonwood St, Woodland, CA, 95695

Phone (530) 666-8478

Enumeration date Feb 23, 2023

Last updated in NPPES Nov 26, 2024

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 105819 (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

How do I verify Amanda Vierra's NPI record?

Cross-check NPI 1689372112 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1689372112 active?

Yes, as of the latest NPPES snapshot, NPI 1689372112 is active (record last updated 2024-11-26).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-11-26.