Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Esther Chung

Q: What is the NPI number for Esther Chung?

The National Provider Identifier (NPI) for Esther Chung is 1588209324, a Type 1 (individual) record in the CMS NPPES registry.

Behavior Analyst in West Covina, CA · enumerated 2019.

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

National Provider Identifier

1588209324

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Registry record

Entity type Individual (Type 1)

Name Esther Chung

Sex Female

Practice address 1000 Lakes Dr Ste 320, West Covina, CA, 91790

Phone (888) 428-3223

Fax (323) 866-1881

Enumeration date Nov 15, 2019

Last updated in NPPES Apr 25, 2022

Taxonomy & licenses

106S00000X Behavior Technician Behavioral Health & Social Service Providers Secondary

103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1-21-53963 (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

What is the NPI number for Esther Chung?

The National Provider Identifier (NPI) for Esther Chung is 1588209324, a Type 1 (individual) record in the CMS NPPES registry.

Where does Esther Chung practice?

The practice location on file with NPPES is in West Covina, 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 2022-04-25.