Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Darren L Nguyen, DDS
Dentist in Orange, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1851481675
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Registry record
Entity type Individual (Type 1)
Name Darren L Nguyen
Credential DDS
Sex Male
Practice address 530 S Main St, Orange, CA, 92868
Phone (714) 571-3601
Enumeration date Oct 13, 2006
Last updated in NPPES Apr 30, 2019
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS 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.
Frequently asked questions
Where does Darren Nguyen practice?
The practice location on file with NPPES is in Orange, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Darren Nguyen?
The National Provider Identifier (NPI) for Darren Nguyen is 1851481675, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-04-30.