Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Celeste Alonzo

Clinical Social Worker in Elk Grove, CA · enumerated 2021 · practices at River Oak Center for Children.

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

National Provider Identifier

1942968441

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Registry record

Entity type Individual (Type 1)

Name Celeste Alonzo

Sex Female

Practice address 9412 Big Horn Blvd Ste 6, Elk Grove, CA, 95758

Phone (916) 609-5100

Enumeration date Dec 1, 2021

Last updated in NPPES Jul 14, 2025

Taxonomy & licenses

172V00000X Community Health Worker Other Service Providers Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 131807 (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

Where does Celeste Alonzo practice?

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

What is the NPI number for Celeste Alonzo?

The National Provider Identifier (NPI) for Celeste Alonzo is 1942968441, 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 2025-07-14.