Christina Wong Co, MD

Primary specialty

Adult Medicine PhysicianTaxonomy code 207QA0505X

License

A205627 Issued in CA

Practice address

3400 Delta Fair Blvd
Antioch, CA 94509-4004

Phone

(925) 779-5000

NPI assigned

Apr 20, 2023

Last updated

Oct 7, 2026By the provider in NPPES

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

Electronic endpoints 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: cco76178@valleychildrens-prd.direct-ci.com
• Direct secure messaging: christina.co.1@3012.direct.athenahealth.com

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.

• Merced Radiology Medical Group

  • Diagnostic Radiology Physician
  • Merced, CA
  • NPI 1992796643
  NPD (past)

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

{
    "created_epoch": "1681948800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791331200000",
    "number": "1194412908",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9667 CAMASSIA WAY",
            "city": "SAN RAMON",
            "state": "CA",
            "postal_code": "945825263"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3400 DELTA FAIR BLVD",
            "city": "ANTIOCH",
            "state": "CA",
            "postal_code": "945094004",
            "telephone_number": "925-779-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CO",
        "first_name": "CHRISTINA",
        "middle_name": "WONG",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-04-20",
        "last_updated": "2026-10-07",
        "certification_date": "2026-10-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207QA0505X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Adult Medicine",
            "state": "CA",
            "license": "A205627",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceg",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "3400 Delta Fair Blvd",
            "city": "Antioch",
            "state": "CA",
            "country_code": "US",
            "postal_code": "945094004",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Limmy G Claxton, CAS
• Jenna Rose Clayton, DPT
• Tamanieka Clayton
• Andrea Cliscagne, MT-BC
• Robert S Cluff, MD
• Jordan Coats
• Martin Arthur Cogburn, MD
• Abigail Clelia Coker, BA
• Jessica Colchado
• Dennis L Cole

• Adult Medicine Physician in Antioch, CA
• Providers in Antioch, CA by specialty
• Adult Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 7, 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.