Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Quynhchi N Van Lang, DMD

General Practice Dentistry in Darien, CT · enumerated 2007 · practices at Quynhchi N Van Lang Dmd.

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

National Provider Identifier

1275737900

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Registry record

Entity type Individual (Type 1)

Name Quynhchi N Van Lang

Credential DMD

Sex Female

Practice address 53 Old Kings Highway North, Darien, CT, 06820

Phone (203) 655-8887

Enumeration date Jun 14, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 6627CT (CT) Primary

DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD credential

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 is the NPI number for Quynhchi Van Lang?

The National Provider Identifier (NPI) for Quynhchi Van Lang is 1275737900, a Type 1 (individual) record in the CMS NPPES registry.

Where does Quynhchi Van Lang practice?

The practice location on file with NPPES is in Darien, CT. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Michele Brown Obstetrics & Gynecology Physician · Darien, CT NPI 1124024237 Eliot Essenfeld General Practice Dentistry · Darien, CT NPI 1881895472 Quynhchi N Van Lang Dmd General Practice Dentistry · Darien, CT NPI 1295936607

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.