Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mai Thuy Nguyen, DDS
Dentist in Sunnyvale, CA · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1851611495
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Registry record
Entity type Individual (Type 1)
Name Dr. Mai Thuy Nguyen
Credential DDS
Sex Female
Practice address 500 Lawrence Expy, Suite D, Sunnyvale, CA, 94085
Phone (408) 720-0322
Enumeration date Jun 6, 2010
Last updated in NPPES Jun 6, 2010
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 Mai Nguyen practice?
The practice location on file with NPPES is in Sunnyvale, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mai Nguyen?
The National Provider Identifier (NPI) for Mai Nguyen is 1851611495, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-06-06.