Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Dr Allyssa M Nguyen Od Pllc

Q: What is the NPI number for Dr Allyssa M Nguyen Od Pllc?

The NPI for Dr Allyssa M Nguyen Od Pllc is 1639952732, a Type 2 (organization) record in the CMS NPPES registry.

Optometrist in Front Royal, VA · enumerated 2023 · authorized official Allyssa Nguyen, Optometrist/Member.

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

National Provider Identifier

1639952732

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Registry record

Entity type Organization (Type 2)

Legal business name Dr Allyssa M Nguyen Od Pllc

Practice address 10 Riverton Commons Dr, Front Royal, VA, 22630

Phone (540) 690-4410

Enumeration date Aug 14, 2023

Last updated in NPPES Aug 14, 2023

Taxonomy & classification

152W00000X Optometrist Eye and Vision Services Providers Primary

Authorized official

Name Allyssa Nguyen

Title Optometrist/Member

Phone (703) 371-9544

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 Dr Allyssa M Nguyen Od Pllc?

The NPI for Dr Allyssa M Nguyen Od Pllc is 1639952732, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Dr Allyssa M Nguyen Od Pllc?

NPPES lists Allyssa Nguyen (Optometrist/Member) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-08-14.