Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ella Matthews

Behavior Analyst in Northridge, CA · enumerated 2025.

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

National Provider Identifier

1598646408

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Registry record

Entity type Individual (Type 1)

Name Ella Matthews

Sex Female

Practice address 18860 Nordhoff St Ste 100, Northridge, CA, 91324

Phone (714) 834-1111

Enumeration date Sep 9, 2025

Last updated in NPPES Sep 9, 2025

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social Service Providers 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 Ella Matthews?

The National Provider Identifier (NPI) for Ella Matthews is 1598646408, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ella Matthews practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-09.