Individual provider Active NPI

Joowon Yoon

  • Dentist
  • Hawthrone, CA
National Provider Identifier
1992172084
Registry record updated May 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
DentistTaxonomy code 122300000X
License
64779 Issued in CA
Practice address
11934 Hawthorne Blvd
Suite B.
Hawthrone, CA 90250
Phone
(424) 348-2234
Fax
(844) 742-0896
NPI assigned
Aug 25, 2015
Last updated
May 6, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 6, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Dentist 122300000X 64779 CA Primary

Addresses

Primary practice location

11934 Hawthorne Blvd
Suite B.
Hawthrone, CA 90250

Mailing address

11934 Hawthorne Blvd
Suite B.
Hawthrone, CA 90250
Phone (424) 348-2234

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
64779CAMDPharmacist

Practice roles

OrganizationSpecialtyStatusNew patients
Yoon, DDS, Inc Current Accepting new patients
JW Yoon, DDS, Inc Dentist Current Accepting new patients

Locations

11934 Hawthorne Blvd
Ste B
Hawthorne, CA 90250
Phone (424) 348-2234

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": "1440460800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778025600000",
    "number": "1992172084",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11934 HAWTHORNE BLVD",
            "address_2": "SUITE B.",
            "city": "HAWTHRONE",
            "state": "CA",
            "postal_code": "90250",
            "telephone_number": "424-348-2234",
            "fax_number": "844-742-0896"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11934 HAWTHORNE BLVD",
            "address_2": "SUITE B.",
            "city": "HAWTHRONE",
            "state": "CA",
            "postal_code": "90250",
            "telephone_number": "424-348-2234",
            "fax_number": "844-742-0896"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YOON",
        "first_name": "JOOWON",
        "name_prefix": "Dr.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2015-08-25",
        "last_updated": "2026-05-06",
        "certification_date": "2026-05-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "CA",
            "license": "64779",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Hawthrone, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 6, 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.