Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Helen Trinh

Pharmacist in Norwalk, CT · enumerated 2018.

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

National Provider Identifier

1457833956

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Registry record

Entity type Individual (Type 1)

Name Helen Trinh

Sex Female

Practice address 360 Connecticut Ave, Norwalk, CT, 06854

Phone (203) 505-5786

Enumeration date Aug 30, 2018

Last updated in NPPES Aug 30, 2018

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License PCT0005980 (CT) 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 Helen Trinh?

Helen Trinh is registered in NPPES with the primary taxonomy of Pharmacist. 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 2018-08-30.