Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Hanh H. Nguyen, DH

Dental Hygienist in San Jose, CA · enumerated 2016.

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

National Provider Identifier

1689118242

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Registry record

Entity type Individual (Type 1)

Name Hanh H. Nguyen

Credential DH

Sex Female

Practice address 5504 Monterey Hwy, San Jose, CA, 95138

Phone (408) 599-5550

Enumeration date Dec 15, 2016

Last updated in NPPES Dec 15, 2016

Taxonomy & licenses

124Q00000X Dental Hygienist Dental Providers · License 73290 (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 specialty is Hanh Nguyen?

Hanh Nguyen is registered in NPPES with the primary taxonomy of Dental Hygienist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-12-15.