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SIAMAK ABAI D.D.S., M.MED.SC.
NPI 1699923375
Dentist - Prosthodontics in Tustin, CA

Active since September 05, 2008
1431 WARNER AVE STE E, TUSTIN, CA 92780(949) 648-0303 Get Directions Write a Review

NPPES record last updated: December 1, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 1, 2020, Feb 4, 2019, Mar 15, 2016 (3 updates tracked since 2016).

About Siamak Abai D.d.s., M.med.sc. NPPES

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

SIAMAK ABAI D.D.S., M.MED.SC. (NPI 1699923375) is an individual prosthodontics provider in Tustin, California, licensed in California (54930) and active in the NPI registry since September 2008.

NPPES Registry Identity

NPI1699923375
Entity TypeIndividualMale
Primary Taxonomy1223P0700X
Provider Legal NameSIAMAK ABAICredential: D.D.S., M.MED.SC.
Location Address1431 WARNER AVE STE ETustin, CA 92780-6444
Mailing Address16300 Sand Canyon Ave Ste 506Irvine, CA 92618-3705 · (949) 201-4444
Phone(949) 648-0303
Sole ProprietorYes
Enumeration DateSeptember 5, 2008
Last NPPES UpdateDecember 1, 20203 updates tracked since enumeration
NPPES CertifiedDecember 1, 2020
✔ NPI 1699923375 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · ProsthodonticsDental Providers
Taxonomy Code1223P0700X
License✔ Licensed in CA · 54930
Definition
That branch of dentistry pertaining to the restoration and maintenance of oral functions, comfort, appearance and health of the patient by the restoration of natural teeth and/or the replacement of missing teeth and contiguous oral and maxillofacial tissues with artificial substitutes.
1431 WARNER AVE STE E, Tustin, CA 92780
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana and more.Insurance ›

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 Siamak Abai's NPI number?

The NPI number for Siamak Abai is 1699923375. It was assigned to this individual provider in the NPPES registry on September 5, 2008.

Where is Siamak Abai located?

Siamak Abai practices at 1431 Warner Ave Ste E, Tustin, CA 92780. The listed phone number is (949) 648-0303.

What is Siamak Abai's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Prosthodontics, with taxonomy code 1223P0700X.

What insurance does Siamak Abai accept?

Health plans from Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 6 other insurers list Siamak Abai as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Siamak Abai was last updated on December 1, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.