NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Toan D Nguyen DDS Inc

Dentist in San Dimas, CA · enumerated 2016 · authorized official Toan Nguyen, Owner.

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

National Provider Identifier

1326596693

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Toan D Nguyen DDS Inc
Practice address 213 N San Dimas Ave, San Dimas, CA, 91773
Phone (909) 599-1398
Enumeration date Sep 15, 2016
Last updated in NPPES Sep 15, 2016

Taxonomy & classification

122300000X Dentist Dental Providers Primary

Authorized official

Name Toan Nguyen
Title Owner
Phone (909) 599-3398

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 Toan D Nguyen DDS Inc?
NPPES lists Toan Nguyen (Owner) as the authorized official for this organization.
What is the NPI number for Toan D Nguyen DDS Inc?
The NPI for Toan D Nguyen DDS Inc is 1326596693, 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 2016-09-15.