NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Quan Q Nguyen MD Ltd

Internal Medicine Physician in Annandale, VA · enumerated 2010 · authorized official Quan Nguyen, Physician.

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

National Provider Identifier

1619280765

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Quan Q Nguyen MD Ltd
Practice address 4217 Evergreen Ln, Annandale, VA, 22003
Phone (703) 354-2629
Fax (703) 941-2918
Enumeration date Jul 19, 2010
Last updated in NPPES Jul 19, 2010

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 0101031734 (VA) Primary

Authorized official

Name Quan Nguyen
Title Physician
Phone (703) 354-2629

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

Who is the authorized official for Quan Q Nguyen MD Ltd?
NPPES lists Quan Nguyen (Physician) as the authorized official for this organization.
What is the NPI number for Quan Q Nguyen MD Ltd?
The NPI for Quan Q Nguyen MD Ltd is 1619280765, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-07-19.