Individual provider Active NPI

Ian Huynh, DDS

  • General Practice Dentistry
  • Fontana, CA
National Provider Identifier
1528939212
Registry record updated Sep 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
General Practice DentistryTaxonomy code 1223G0001X
License
112377 Issued in CA
Practice address
9610 Sierra Ave Ste 200
Fontana, CA 92335-2456
Phone
(909) 219-8700
NPI assigned
Sep 15, 2025
Last updated
Sep 15, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 15, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
General Practice Dentistry 1223G0001X 112377 CA Primary

Addresses

Primary practice location

9610 Sierra Ave Ste 200
Fontana, CA 92335-2456

Mailing address

3213 Donovan Ranch Rd
Anaheim, CA 92804-3722

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
112377CAMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Von Westernhagen Dental Corporation General Practice CurrentSince Sep 21, 2025 Accepting new patients

Locations

9610 Sierra Ave
Ste 200
Fontana, CA 92335
Phone (909) 219-8700

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": "1757894400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757894400000",
    "number": "1528939212",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3213 DONOVAN RANCH RD",
            "city": "ANAHEIM",
            "state": "CA",
            "postal_code": "928043722"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9610 SIERRA AVE STE 200",
            "city": "FONTANA",
            "state": "CA",
            "postal_code": "923352456",
            "telephone_number": "909-219-8700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HUYNH",
        "first_name": "IAN",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-09-15",
        "last_updated": "2025-09-15",
        "certification_date": "2025-09-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "CA",
            "license": "112377",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fontana, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 15, 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.