Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Duc Qui Nguyen, O.D.
Optometrist in Mclean, VA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1417079575
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Registry record
Entity type Individual (Type 1)
Name Dr. Duc Qui Nguyen
Credential O.D.
Sex Male
Practice address 6849 Old Dominion Dr, Suite 300, Mclean, VA, 22101
Phone (703) 442-0522
Fax (703) 442-0525
Enumeration date Apr 6, 2007
Last updated in NPPES Sep 11, 2025
Taxonomy & licenses
152WV0400X Vision Therapy Optometrist Eye and Vision Services Providers · License 0618-000735 (VA) Secondary
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 116445 | Other | VA | BC BS PIN |
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.
Frequently asked questions
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.
What specialty is Duc Nguyen?
Duc Nguyen is registered in NPPES with the primary taxonomy of Optometrist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.