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AMANDA N SIU DDS INC
NPI 1780125518
Dentist - Pediatric Dentistry in Tustin, CA

Active since March 13, 2017
13362 NEWPORT AVE STE G, TUSTIN, CA 92780(714) 439-5706(714) 439-5709 Get Directions Write a Review

NPPES record last updated: February 18, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Amanda N Siu Dds Inc NPPES

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

AMANDA N SIU DDS INC (NPI 1780125518) is a healthcare organization registered as a pediatric dentistry in Tustin, California and active in the NPI registry since March 2017. The organization lists Amanda Siu, Ceo, as its authorized official.

NPPES Registry Identity

NPI1780125518
Entity TypeOrganization
Primary Taxonomy1223P0221X
Legal Business NameAMANDA N SIU DDS INC
Location Address13362 NEWPORT AVE STE GTustin, CA 92780-3427
Mailing Address13362 Newport Ave Ste GTustin, CA 92780-3427 · (714) 439-5706 · Fax (714) 439-5709
Phone(714) 439-5706
Fax(714) 439-5709
Organization SubpartNo
Authorized OfficialAmanda SiuCeo · (714) 439-5706
Enumeration DateMarch 13, 2017
Last NPPES UpdateFebruary 18, 2026
NPPES CertifiedFebruary 18, 2026
✔ NPI 1780125518 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · Pediatric DentistryDental Providers
Taxonomy Code1223P0221X
License✔ Licensed in CA · 64432
Definition
An age-defined specialty that provides both primary and comprehensive preventive and therapeutic oral health care for infants and children through adolescence, including those with special health care needs.
13362 NEWPORT AVE STE G, Tustin, CA 92780
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.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 Amanda N Siu Dds Inc's NPI number?

The NPI number for Amanda N Siu Dds Inc is 1780125518. It was assigned to this organization in the NPPES registry on March 13, 2017.

Where is Amanda N Siu Dds Inc located?

Amanda N Siu Dds Inc is located at 13362 Newport Ave Ste G, Tustin, CA 92780. The listed phone number is (714) 439-5706.

What is Amanda N Siu Dds Inc's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Pediatric Dentistry, with taxonomy code 1223P0221X.

What insurance does Amanda N Siu Dds Inc accept?

Health plans from UnitedHealthcare list Amanda N Siu Dds Inc 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 Amanda N Siu Dds Inc was last updated on February 18, 2026. 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.