Active NPI
Amanda N Siu DDS Inc
- Pediatric Dentistry
- Tustin, CA
National Provider Identifier
1780125518
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Dentistry
- License
- 64432
- Legal business name
- AMANDA N SIU DDS INC
- Practice address
- 13362 Newport Ave Ste G
Tustin, CA 92780-3427 - Phone
- (714) 439-5706
- Fax
- (714) 439-5709
- NPI assigned
- Mar 13, 2017
- Last updated
- Feb 18, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Dr. Amanda Siu, DDS
- Title
- Ceo
- Phone
- (714) 439-5706
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatric Dentistry | 1223P0221X | 64432 | CA | Primary |
Addresses
Primary practice location
13362 Newport Ave Ste G
Tustin, CA 92780-3427
Mailing address
13362 Newport Ave Ste G
Tustin, CA 92780-3427
Phone (714) 439-5706
National Provider Directory
National Provider DirectoryLocations
12062 Valley View St
Ste 250
Garden Grove, CA 92845
Phone (714) 425-9736
Practitioners & affiliated clinicians
Practitioners 3
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Pediatric Dentistry
- Garden Grove, CA
- NPI 1154745594
-
- Pediatric Dentistry
- Garden Grove, CA
- NPI 1356463855
-
- General Practice Dentistry
- Garden Grove, CA
- NPI 1619189248
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1489363200000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1771372800000",
"number": "1780125518",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "13362 NEWPORT AVE STE G",
"city": "TUSTIN",
"state": "CA",
"postal_code": "927803427",
"telephone_number": "714-439-5706",
"fax_number": "714-439-5709"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "13362 NEWPORT AVE STE G",
"city": "TUSTIN",
"state": "CA",
"postal_code": "927803427",
"telephone_number": "714-439-5706",
"fax_number": "714-439-5709"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "AMANDA N SIU DDS INC",
"organizational_subpart": "NO",
"enumeration_date": "2017-03-13",
"last_updated": "2026-02-18",
"certification_date": "2026-02-18",
"status": "A",
"authorized_official_last_name": "SIU",
"authorized_official_first_name": "AMANDA",
"authorized_official_title_or_position": "CEO",
"authorized_official_telephone_number": "714-439-5706",
"authorized_official_name_prefix": "Dr.",
"authorized_official_credential": "DDS"
},
"taxonomies": [
{
"code": "1223P0221X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Dentist, Pediatric Dentistry",
"state": "CA",
"license": "64432",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Tustin, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 18, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.