Individual provider Active NPI

Hoyong Choi, DMD

  • General Practice Dentistry
  • Torrance, CA
National Provider Identifier
1821598988
Registry record updated Mar 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
General Practice DentistryTaxonomy code 1223G0001X
License
103619 Issued in CA
Practice address
21605 Hawthorne Blvd Ste 120
Torrance, CA 90503-6665
Phone
(310) 540-4114
NPI assigned
Feb 15, 2018
Last updated
Mar 16, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 16, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Dentist 122300000X DN1857842 MA
General Practice Dentistry 1223G0001X 103619 CA Primary

Addresses

Primary practice location

21605 Hawthorne Blvd Ste 120
Torrance, CA 90503-6665

Mailing address

21605 Hawthorne Blvd Ste 120
Torrance, CA 90503-6665
Phone (310) 540-4114

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
103619CAMDClinical Social Worker
DN1857842MAMDDentist

NPI Registry JSON

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

{
    "created_epoch": "1518652800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773619200000",
    "number": "1821598988",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "21605 HAWTHORNE BLVD STE 120",
            "city": "TORRANCE",
            "state": "CA",
            "postal_code": "905036665",
            "telephone_number": "310-540-4114"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "21605 HAWTHORNE BLVD STE 120",
            "city": "TORRANCE",
            "state": "CA",
            "postal_code": "905036665",
            "telephone_number": "310-540-4114"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHOI",
        "first_name": "HOYONG",
        "name_prefix": "Dr.",
        "credential": "DMD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-02-15",
        "last_updated": "2026-03-16",
        "certification_date": "2026-03-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "MA",
            "license": "DN1857842",
            "primary": false
        },
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "CA",
            "license": "103619",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Torrance, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 16, 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.