Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Sonia Dhillon, DDS
Dentist in Livermore, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1861588063
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Registry record
Entity type Individual (Type 1)
Name Sonia Dhillon
Credential DDS
Sex Female
Practice address 423 N L St, Livermore, CA, 94551
Phone (925) 449-7167
Enumeration date Oct 5, 2006
Last updated in NPPES Aug 14, 2012
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 Sonia Dhillon 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 Sonia Dhillon?
The National Provider Identifier (NPI) for Sonia Dhillon is 1861588063, 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 2012-08-14.