Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Jonathan Tiu
Dentist in Livermore, CA · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1598282105
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Registry record
Entity type Individual (Type 1)
Name Dr. Jonathan Tiu
Sex Male
Practice address 1498 N Vasco Rd, Livermore, CA, 94551
Phone (925) 454-1132
Enumeration date Aug 24, 2017
Last updated in NPPES Jun 30, 2020
Taxonomy & licenses
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 Jonathan Tiu practice?
The practice location on file with NPPES is in Livermore, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Jonathan Tiu?
The National Provider Identifier (NPI) for Jonathan Tiu is 1598282105, 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 2020-06-30.