Chongjia Claire Chen, MD

Primary specialty

Allergy & Immunology PhysicianTaxonomy code 207K00000X

License

168418 Issued in CA

Practice address

18 Endeavor Ste 208
Irvine, CA 92618-3181

Phone

(949) 364-4361

Fax

(949) 364-4361

NPI assigned

Apr 23, 2015

Sex

Female

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

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Allergy/Immunology

Education

University of Alabama School of Medicine, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Head and Neck Associates of Orange County an IncorprateGroup PAC ID 0547211518, 16 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

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.

• Head and Neck Associates of Orange County an Incorprate

  • Specialist
  • Mission Viejo, CA
  • NPI 1427093046
  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1429747200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775001600000",
    "number": "1285021618",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "26726 CROWN VALLEY PKWY STE 200",
            "city": "MISSION VIEJO",
            "state": "CA",
            "postal_code": "926918003",
            "telephone_number": "949-364-4361",
            "fax_number": "949-364-4495"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18 ENDEAVOR STE 208",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926183181",
            "telephone_number": "949-364-4361",
            "fax_number": "949-364-4361"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHEN",
        "first_name": "CHONGJIA",
        "middle_name": "CLAIRE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-04-23",
        "last_updated": "2026-04-01",
        "certification_date": "2026-04-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207K00000X",
            "taxonomy_group": "",
            "desc": "Allergy & Immunology",
            "state": "CA",
            "license": "168418",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ann Chen
• Annie Chen, MD
• Betty Chen, D.D.S., M.S.
• Casey Chen, D.D.S.
• Chienwei Timothy Chen, MD
• Christina S Chen, MD
• Heidi Chen
• Huazhong Chen, L.AC.
• Jamie Chen
• Jeremy Chen, DPT

• Allergy & Immunology Physician in Irvine, CA
• Providers in Irvine, CA by specialty
• Allergy & Immunology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.