Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Antonio Vargas Naguiat Jr., DDS
Dentist in Union City, CA · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1891961819
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Registry record
Entity type Individual (Type 1)
Name Dr. Antonio Vargas Naguiat Jr.
Credential DDS
Sex Male
Practice address 33378 Alvarado Niles Rd, Union City, CA, 94587
Phone (510) 487-3912
Fax (510) 487-6566
Enumeration date Apr 30, 2008
Last updated in NPPES Apr 30, 2008
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 Antonio Naguiat practice?
The practice location on file with NPPES is in Union City, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Antonio Naguiat?
The National Provider Identifier (NPI) for Antonio Naguiat is 1891961819, 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 2008-04-30.