Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. G. Thomas Sirinian Jr., DDS
Periodontics in Encinitas, CA · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1013150648
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Registry record
Entity type Individual (Type 1)
Name Dr. G. Thomas Sirinian Jr.
Credential DDS
Sex Male
Practice address 1011 Devonshire Drive, Suite F, Encinitas, CA, 92024
Phone (858) 755-5168
Fax (858) 755-2265
Enumeration date Apr 13, 2009
Last updated in NPPES Nov 24, 2025
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
What is the NPI number for G. Thomas Sirinian?
The National Provider Identifier (NPI) for G. Thomas Sirinian is 1013150648, a Type 1 (individual) record in the CMS NPPES registry.
Where does G. Thomas Sirinian practice?
The practice location on file with NPPES is in Encinitas, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-24.