Matthew Dejong, DDS

Primary specialty

General Practice DentistryTaxonomy code 1223G0001X

License

D11339 Issued in OR

Practice address

13422 Newport Ave Ste B
Tustin, CA 92780-3746

Phone

(714) 544-2020

NPI assigned

Sep 22, 2020

Last updated

Oct 20, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

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.

• M Roberta Dornan DDS Inc

  • General Practice Dentistry
  • Tustin, CA
  • NPI 1023370426
  NPD (past)
• Providence Medical Foundation

  • Family Medicine Physician
  • Brea, CA
  • NPI 1871607762
  NPD (past)

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

{
    "created_epoch": "1600732800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1792454400000",
    "number": "1669088852",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "13422 NEWPORT AVE STE B",
            "city": "TUSTIN",
            "state": "CA",
            "postal_code": "927803746"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13422 NEWPORT AVE STE B",
            "city": "TUSTIN",
            "state": "CA",
            "postal_code": "927803746",
            "telephone_number": "714-544-2020"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DEJONG",
        "first_name": "MATTHEW",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-09-22",
        "last_updated": "2026-10-20",
        "certification_date": "2026-10-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "OR",
            "license": "D11339",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dean Azzeh , DDS Inc.
• Deanne Brown Professional Clinical Counselor PC
• Khaldoun A Debian, M.D.
• Sherie Dechter, LCSW
• Reza Dehdari, M.D.
• Del Mundo Psychological, Apc
• Amor S. Del Mundo, M.D.
• Jennifer Lazarraga Del Mundo
• Luis Del Pilar
• Crystal Delaney, M.A., LMFT

• General Practice Dentistry in Tustin, CA
• Providers in Tustin, CA by specialty
• General Practice Dentistry in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 20, 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.