Eugene Chen, MD

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

A75342 Issued in CA

Practice address

1640 Newport Blvd Ste 340
Costa Mesa, CA 92627-7730

Phone

(949) 645-4670

Fax

(949) 722-6866

NPI assigned

Dec 22, 2005

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)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Harbor Pediatric Medical Group

  • Pediatrics Physician
  • Newport Beach, CA
  • NPI 1922015072
  NPD (past)

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

{
    "created_epoch": "1135209600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1417933243",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1640 NEWPORT BLVD STE 340",
            "city": "COSTA MESA",
            "state": "CA",
            "postal_code": "926277730",
            "telephone_number": "949-645-4670",
            "fax_number": "949-722-6866"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1640 NEWPORT BLVD STE 340",
            "city": "COSTA MESA",
            "state": "CA",
            "postal_code": "926277730",
            "telephone_number": "949-645-4670",
            "fax_number": "949-722-6866"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHEN",
        "first_name": "EUGENE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-22",
        "last_updated": "2026-07-13",
        "certification_date": "2026-06-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "A75342",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nelly Chavez
• CHCM, Inc. (dba College Hospital Costa Mesa)
• Loretta C Chee, DDS
• Ariel R Chen
• Cynthia E Chen, FNP
• Jonathan Chen
• Karen Chen, M.D.
• Tim Chia Chen, OTR/L
• Xiaowei Chen
• Justin Alvin Cheng

• Pediatrics Physician in Costa Mesa, CA
• Providers in Costa Mesa, CA by specialty
• Pediatrics Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.