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Nelson T. Yen DDS, Ms Inc.

Periodontics in Fullerton, CA · enumerated 2006 · authorized official Nelson Yen, Employer.

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

National Provider Identifier

1538254396

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Registry record

Entity type Organization (Type 2)
Legal business name Nelson T. Yen DDS, Ms Inc.
Practice address 220 Laguna Rd, Suite 3, Fullerton, CA, 92835
Phone (714) 441-0436
Enumeration date Oct 4, 2006
Last updated in NPPES Jan 19, 2022

Taxonomy & classification

1223P0300X Periodontics Dental Providers · License 29240 (CA) Secondary
1223P0300X Periodontics Dental Providers · License 46231 (CA) Primary

Authorized official

Name Nelson Yen
Title Employer
Phone (714) 381-4699

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

What is the NPI number for Nelson T. Yen DDS, Ms Inc.?
The NPI for Nelson T. Yen DDS, Ms Inc. is 1538254396, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for Nelson T. Yen DDS, Ms Inc.?
NPPES lists Nelson Yen (Employer) as the authorized official for this organization.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-01-19.