DR. G. THOMAS SIRINIAN JR. DDS
NPI 1013150648
Dentist - Periodontics in Encinitas, CA

Q: What is G. Thomas Sirinian's NPI number?

The NPI number for G. Thomas Sirinian is 1013150648. It was assigned to this individual provider in the NPPES registry on April 13, 2009.

Q: What is G. Thomas Sirinian's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Periodontics, with taxonomy code 1223P0300X.

Active since April 13, 2009

1011 DEVONSHIRE DRIVE, SUITE F, ENCINITAS, CA 92024(858) 755-5168(858) 755-2265 Get Directions Write a Review

NPPES record last updated: November 24, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. G. Thomas Sirinian Jr. Dds NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. G. THOMAS SIRINIAN JR. DDS (NPI 1013150648) is an individual periodontics provider in Encinitas, California, licensed in California (44261) and active in the NPI registry since April 2009.

NPPES Registry Identity

NPI1013150648

Entity TypeIndividualMale

Primary Taxonomy1223P0300X

Provider Legal NameDR. G. THOMAS SIRINIAN JR.Credential: DDS

Location Address1011 DEVONSHIRE DRIVE, SUITE FEncinitas, CA 92024

Mailing Address1011 Devonshire Drive, Suite FEncinitas, CA 92024 · (858) 755-5168 · Fax (858) 755-2265

Phone(858) 755-5168

Fax(858) 755-2265

Sole ProprietorNo

Enumeration DateApril 13, 2009

Last NPPES UpdateNovember 24, 2025

NPPES CertifiedNovember 24, 2025

✔ NPI 1013150648 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · PeriodonticsDental Providers

Taxonomy Code1223P0300X

License✔ Licensed in CA · 44261

Definition

That specialty of dentistry which encompasses the prevention, diagnosis and treatment of diseases of the supporting and surrounding tissues of the teeth or their substitutes and the maintenance of the health, function and esthetics of these structures and tissues.

1011 DEVONSHIRE DRIVE, Encinitas, CA 92024

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Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. BASSAM A SINNO MD

Psychiatry & Neurology (Psychiatry)

1011 DEVONSHIRE DRIVE
ENCINITAS, CA 92024

San Diego County (760) 633-3139

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is G. Thomas Sirinian's NPI number?

The NPI number for G. Thomas Sirinian is 1013150648. It was assigned to this individual provider in the NPPES registry on April 13, 2009.

Where is G. Thomas Sirinian located?

G. Thomas Sirinian practices at 1011 Devonshire Drive Suite F, Encinitas, CA 92024. The listed phone number is (858) 755-5168.

What is G. Thomas Sirinian's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Periodontics, with taxonomy code 1223P0300X.

When was this NPI record last updated?

The NPPES record for G. Thomas Sirinian was last updated on November 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.