NPIMap

Individual provider Active NPI

Ellen Kim, M.D.

  • Radiation Oncology Physician
  • Boston, MA
National Provider Identifier
1710374103
Registry record updated Jun 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology PhysicianTaxonomy code 2085R0001X
License
283029 Issued in MA
Practice address
75 Francis St
Asb1- L2
Boston, MA 02115-6110
Phone
(617) 732-6322
NPI assigned
Apr 23, 2015
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 25, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Radiation Oncology Physician 2085R0001X 283029 MA Primary

Addresses

Primary practice location

75 Francis St
Asb1- L2
Boston, MA 02115-6110

Mailing address

75 Francis St
Asb1- L2
Boston, MA 02115
Phone (330) 731-1310

Other practice location 1

55 Fruit St
Boston, MA 02114-2621
Phone (617) 726-2000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200925000185 MA Practitioner - Radiation Oncology 1658674304 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Radiation Oncology
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

450 Brookline Ave
Boston, MA 02215-5418
Phone (617) 632-3586

75 Francis St
Boston, MA 02115-6110
Phone (617) 732-5500

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
283029MAMDRegistered Nurse

Practice roles

OrganizationSpecialtyStatusNew patients
Dana-Farber Cancer Institute, Inc. CurrentSince Oct 29, 2020 Accepting new patients
Dana-Farber Cancer Institute, Inc. CurrentSince Oct 29, 2020 Accepting new patients
Brigham and Women'S Hospital Current Accepting new patients
Brigham & Womens Physicians Organization Inc Radiation Oncology CurrentSince Aug 20, 2020 Accepting new patients
Dana-Farber Cancer Institute, Inc. Past Accepting new patients
Brigham and Womens Physicians Organization Inc Past Accepting new patients

Locations

75 Francis St
Boston, MA 02115

450 Brookline Ave
Boston, MA 02215
Phone (508) 478-2061

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

75 Francis St
#1
Boston, MA 02115
Phone (617) 732-6310

55 Fruit St
Boston, MA 02114

254 2nd Ave
Ste 100
Needham Heights, MA 02494
Phone (781) 416-8412

Interoperability endpoints

  • Direct secure messaging: ekim26728@direct.vumc.org
  • Direct secure messaging: kim.ellen.bwh@direct.partners.masshiway.net

Organizations & group practices 8

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.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1429747200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782345600000",
    "number": "1710374103",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "75 FRANCIS ST",
            "address_2": "ASB1- L2",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "02115",
            "telephone_number": "330-731-1310"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 FRANCIS ST",
            "address_2": "ASB1- L2",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021156110",
            "telephone_number": "617-732-6322"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "55 Fruit St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021142621",
            "country_code": "US",
            "telephone_number": "617-726-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KIM",
        "first_name": "ELLEN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-04-23",
        "last_updated": "2026-06-25",
        "certification_date": "2026-06-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "MA",
            "license": "283029",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.