Active NPI
Ngoc Lien Thi Nguyen, RDH
- Dental Hygienist
- San Jose, CA
National Provider Identifier
1962354423
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Dental Hygienist
- License
- RDH-37509
- Practice address
- 1855 Alum Rock Ave Ste B
San Jose, CA 95116-1398 - Phone
- (408) 254-1995
- NPI assigned
- Feb 9, 2026
- Last updated
- Feb 9, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Dental Hygienist | 124Q00000X | RDH-37509 | CA | Primary |
Addresses
Primary practice location
1855 Alum Rock Ave Ste B
San Jose, CA 95116-1398
Mailing address
1433 Mauna Kea LN
San Jose, CA 95132-2317
Phone (408) 838-0945
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| RDH-37509 | CA | MD | Dental Hygienist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| QT Huynh Dental Corporation | Past | Accepting new patients |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1770595200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1770595200000",
"number": "1962354423",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1433 MAUNA KEA LN",
"city": "SAN JOSE",
"state": "CA",
"postal_code": "951322317",
"telephone_number": "408-838-0945"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1855 ALUM ROCK AVE STE B",
"city": "SAN JOSE",
"state": "CA",
"postal_code": "951161398",
"telephone_number": "408-254-1995"
}
],
"practiceLocations": [],
"basic": {
"last_name": "NGUYEN",
"first_name": "NGOC LIEN",
"middle_name": "THI",
"credential": "RDH",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-02-09",
"last_updated": "2026-02-09",
"certification_date": "2026-02-09",
"status": "A"
},
"taxonomies": [
{
"code": "124Q00000X",
"taxonomy_group": "",
"desc": "Dental Hygienist",
"state": "CA",
"license": "RDH-37509",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in San Jose, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 9, 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.