Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Anna Hoai Trinh

Acupuncturist in Garden Grove, CA · enumerated 2025.

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

National Provider Identifier

1659176451

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Registry record

Entity type Individual (Type 1)

Name Anna Hoai Trinh

Sex Female

Practice address 11111 Magnolia St, Garden Grove, CA, 92841

Phone (714) 306-6316

Enumeration date Feb 17, 2025

Last updated in NPPES Feb 17, 2025

Taxonomy & licenses

171100000X Acupuncturist Other 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 1659176451 active?

Yes, as of the latest NPPES snapshot, NPI 1659176451 is active (record last updated 2025-02-17).

How do I verify Anna Trinh's NPI record?

Cross-check NPI 1659176451 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-02-17.