Ellen M Kornmehl, MD

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

77524 Issued in MA

Practice address

100 Blossom Street Cox 301
Radiation Oncolofy
Boston, MA 02114-2617

Phone

(617) 726-6050

Fax

(617) 726-3603

NPI assigned

Oct 25, 2005

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

Other identifiers 3

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1130198400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1740270487",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 9142",
            "address_2": "MASS GENERAL PHYSICIAN ORGANIZATION",
            "city": "CHARLESTOWN",
            "state": "MA",
            "postal_code": "021299142",
            "telephone_number": "617-724-0287",
            "fax_number": "617-726-2894"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 BLOSSOM STREET COX 301",
            "address_2": "RADIATION ONCOLOFY",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142617",
            "telephone_number": "617-726-6050",
            "fax_number": "617-726-3603"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KORNMEHL",
        "first_name": "ELLEN",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-10-25",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "MA",
            "license": "77524",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS MA",
            "identifier": "J13779",
            "state": "MA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3109241",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS HEALTH PLAN",
            "identifier": "077524",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Sergio Korndorfer
• Patryk Kornecki, PHARM.D
• Caleb Bosler Korngold, M.D.
• Phyllis J. Kornguth, MD, PHD
• Courtney Kornichuk, PA-C
• Robert R Korom, MD
• Alicia Korona
• Walter Joseph Koroshetz, MD
• Susan A Korrick, M.D.
• Mark S Korson, MD

• Radiation Oncology Physician in Boston, MA
• Providers in Boston, MA by specialty
• Radiation Oncology Physician in Massachusetts

• 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.