Karen Megan Docto Millarez, RN

Primary specialty

Oncology Registered NurseTaxonomy code 163WX0200X

License

041.469564 Issued in IL

Practice address

1658 Bristol Ave
Westchester, IL 60154-4402

Phone

(708) 501-9096

NPI assigned

Oct 21, 2026

Last updated

Oct 21, 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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1792540800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1792540800000",
    "number": "1124925375",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1658 BRISTOL AVE",
            "city": "WESTCHESTER",
            "state": "IL",
            "postal_code": "601544402"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1658 BRISTOL AVE",
            "city": "WESTCHESTER",
            "state": "IL",
            "postal_code": "601544402",
            "telephone_number": "708-501-9096"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MILLAREZ",
        "first_name": "KAREN MEGAN",
        "middle_name": "DOCTO",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-10-21",
        "last_updated": "2026-10-21",
        "certification_date": "2026-10-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WX0200X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Oncology",
            "state": "IL",
            "license": "041.469564",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Oncology Registered Nurse in Westchester, IL
• Providers in Westchester, IL by specialty
• Oncology Registered Nurse in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 21, 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.