Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Alexander Tran, DMD
Dentist in Westminster, CA · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639806813
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Registry record
Entity type Individual (Type 1)
Name Dr. Alexander Tran
Credential DMD
Sex Male
Practice address 15424 Brookhurst St, Westminster, CA, 92683
Phone (714) 775-0666
Enumeration date Aug 6, 2022
Last updated in NPPES Aug 6, 2022
Taxonomy & licenses
DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees.
About the DMD 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 Alexander Tran practice?
The practice location on file with NPPES is in Westminster, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Alexander Tran?
The National Provider Identifier (NPI) for Alexander Tran is 1639806813, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Huy Tong, DDS, Inc Preferred Provider Organization · Westminster, CA NPI 1639525744 Yen Hai Duong, DDS & Jimmy Tran, Dmd, Inc. Dental Clinic/Center · Westminster, CA NPI 1144712456 Vu Phan Dentist · Westminster, CA NPI 1730781808 Ryan Nguyen Dentist · Westminster, CA NPI 1730750126 Esmyra Ludaes Dental Hygienist · Westminster, CA NPI 1891535191
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-08-06.