Individual provider Active NPI

Abraham Ganguk Jeong, DDS

  • General Practice Dentistry
  • Downey, CA
National Provider Identifier
1124949722
Registry record updated Jul 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
General Practice DentistryTaxonomy code 1223G0001X
License
113387 Issued in CA
Practice address
9434 Firestone Blvd
Downey, CA 90241-5504
Phone
(562) 803-9999
NPI assigned
Jul 22, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 22, 2026

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 113387 CA Primary

Addresses

Primary practice location

9434 Firestone Blvd
Downey, CA 90241-5504

Mailing address

10426 Flora Vista St
Bellflower, CA 90706-5066
Phone (562) 445-5627

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

Practice roles

OrganizationSpecialtyStatusNew patients
Won Jung Jeong,DDS,Inc. Past Accepting new patients
Won Jung Jeong DDS Inc 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 and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1784678400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784678400000",
    "number": "1124949722",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10426 FLORA VISTA ST",
            "city": "BELLFLOWER",
            "state": "CA",
            "postal_code": "907065066",
            "telephone_number": "562-445-5627"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9434 FIRESTONE BLVD",
            "city": "DOWNEY",
            "state": "CA",
            "postal_code": "902415504",
            "telephone_number": "562-803-9999"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JEONG",
        "first_name": "ABRAHAM",
        "middle_name": "GANGUK",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-07-22",
        "last_updated": "2026-07-22",
        "certification_date": "2026-07-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "CA",
            "license": "113387",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Downey, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 22, 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.

Verify at the official NPI Registry.