Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Aron Rei De Guzman

Behavior Technician in Newark, CA · enumerated 2026.

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

National Provider Identifier

1871433177

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Registry record

Entity type Individual (Type 1)

Name Aron Rei De Guzman

Sex Male

Practice address 39899 Balentine Dr, Newark, CA, 94560

Phone (855) 223-7123

Fax (619) 374-7134

Enumeration date Mar 30, 2026

Last updated in NPPES Mar 30, 2026

Taxonomy & licenses

106S00000X Behavior Technician 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.

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Frequently asked questions

Where does Aron Rei De Guzman practice?

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

What is the NPI number for Aron Rei De Guzman?

The National Provider Identifier (NPI) for Aron Rei De Guzman is 1871433177, 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 2026-03-30.