Joseph C. Hwang, DDS, PLLC

Primary specialty

General Practice DentistryTaxonomy code 1223G0001X

Legal business name

JOSEPH C. HWANG, DDS, PLLC

Practice address

6808 220TH St SW Ste 301
Mountlake Terrace, WA 98043-2187

Phone

(425) 670-8225

Fax

(425) 670-8065

NPI assigned

Mar 24, 2026

Organization subpart

No

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

Authorized official

Name

Dr. Joseph Changyon Hwang, DDSNPI 1760496970

Title

Dentist/ President

Phone

(206) 915-5192

Specialties & licenses 1

Addresses

Locations

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Joseph Changyon Hwang, D.D.S.

  • General Practice Dentistry
  • Mountlake Terrace, WA
  • NPI 1760496970
  NPD Authorized official
• Clark Warren Redd, D.D.S.

  • General Practice Dentistry
  • Mountlake Terrace, WA
  • NPI 1093729618
  NPD (past)

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

{
    "created_epoch": "1774310400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1774310400000",
    "number": "1104764562",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6808 220TH ST SW STE 301",
            "city": "MOUNTLAKE TERRACE",
            "state": "WA",
            "postal_code": "980432187",
            "telephone_number": "425-670-8225",
            "fax_number": "425-670-8065"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6808 220TH ST SW STE 301",
            "city": "MOUNTLAKE TERRACE",
            "state": "WA",
            "postal_code": "980432187",
            "telephone_number": "425-670-8225",
            "fax_number": "425-670-8065"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "JOSEPH C. HWANG, DDS, PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-03-24",
        "last_updated": "2026-03-24",
        "certification_date": "2026-03-24",
        "status": "A",
        "authorized_official_last_name": "HWANG",
        "authorized_official_first_name": "JOSEPH",
        "authorized_official_middle_name": "CHANGYON",
        "authorized_official_title_or_position": "DENTIST/ PRESIDENT",
        "authorized_official_telephone_number": "206-915-5192",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "DDS"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Dentist, General Practice",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Isaiah Johnson, LMP
• Angeline Johnston
• Ashley Renee Jones, AMFT
• Karyn Lucille Jones
• Lindsey Brooke Jones, MED, LMHC
• Maudashley Joseph
• JSB Entertainment Inc.
• Eduardo Jubis, D.C.
• Caitlin Anne Kahn, DPT
• Diane M Kalvelage, ARNP

• General Practice Dentistry in Mountlake Terrace, WA
• Providers in Mountlake Terrace, WA by specialty
• General Practice Dentistry in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 24, 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.