Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ellie Ty Yoon

School Social Worker in Studio City, CA · enumerated 2021.

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

National Provider Identifier

1861167793

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Registry record

Entity type Individual (Type 1)

Name Ellie Ty Yoon

Sex Female

Practice address 11712 Moorpark St, Studio City, CA, 91604

Phone (818) 900-5152

Enumeration date Aug 12, 2021

Last updated in NPPES Oct 11, 2024

Taxonomy & licenses

1041S0200X School Social Worker 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

Is NPI 1861167793 active?

Yes, as of the latest NPPES snapshot, NPI 1861167793 is active (record last updated 2024-10-11).

How do I verify Ellie Yoon's NPI record?

Cross-check NPI 1861167793 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-10-11.