Individual provider Active NPI

Olivia Lan Huong Nguyen

  • General Practice Dentistry
  • Westminster, CA
National Provider Identifier
1588877997
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
General Practice DentistryTaxonomy code 1223G0001X
License
D32221 Issued in CA
Practice address
7744 Westminster Blvd
Westminster, CA 92683-4046
Phone
(714) 899-4222
NPI assigned
May 8, 2007
Last updated
Sep 11, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
General Practice Dentistry 1223G0001X D32221 CA Primary
Pediatric Dentistry 1223P0221X D32221 CA

Addresses

Primary practice location

7744 Westminster Blvd
Westminster, CA 92683-4046

Mailing address

7744 Westminster Blvd
Westminster, CA 92683-4046
Phone (714) 899-4222

Other identifiers 4

IdentifierTypeStateIssuer
943419806OtherCATAX ID NO.
D32221OtherCALICENSE NUMBER
G90584-01OtherCAMEDICAL
G92180-02OtherCAHEALTHY FAMILIES

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

LicenseStateTypeSpecialty
D32221CAMDPediatric Dentist

Practice roles

OrganizationSpecialtyStatusNew patients
Nguyen Lan Huong Olivia DDS, a Professional Corporation PastSince Jan 2, 2022 Accepting new patients
Olivia L. H. Nguyen, Dental Corporation General Practice Past Accepting new patients

Organizations & group practices 2

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": "1178582400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1588877997",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7744 WESTMINSTER BLVD",
            "city": "WESTMINSTER",
            "state": "CA",
            "postal_code": "926834046",
            "telephone_number": "714-899-4222"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7744 WESTMINSTER BLVD",
            "city": "WESTMINSTER",
            "state": "CA",
            "postal_code": "926834046",
            "telephone_number": "714-899-4222"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "OLIVIA",
        "middle_name": "LAN HUONG",
        "name_prefix": "Mrs.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-05-08",
        "last_updated": "2025-09-11",
        "certification_date": "2021-04-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "CA",
            "license": "D32221",
            "primary": true
        },
        {
            "code": "1223P0221X",
            "taxonomy_group": "",
            "desc": "Dentist, Pediatric Dentistry",
            "state": "CA",
            "license": "D32221",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TAX ID NO.",
            "identifier": "943419806",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE NUMBER",
            "identifier": "D32221",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAL",
            "identifier": "G90584-01",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HEALTHY FAMILIES",
            "identifier": "G92180-02",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Westminster, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.