Individual provider Active NPI

Kevin Shawn Oh, M.D.

  • Radiation Oncology Physician
  • Boston, MA
National Provider Identifier
1780703124
Registry record updated Oct 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology PhysicianTaxonomy code 2085R0001X
License
239950 Issued in MA
Practice address
100 Blossom Street
Boston, MA 02114
Phone
(617) 724-1159
Fax
(617) 726-3603
NPI assigned
Mar 28, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 22, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X 4301083670 MI
Radiation Oncology Physician 2085R0001X 4301083670 MI
Radiation Oncology Physician 2085R0001X 239950 MA Primary

Addresses

Primary practice location

100 Blossom Street
Boston, MA 02114

Mailing address

100 Blossom St
Boston, MA 02114-2606
Phone (617) 724-1159

Other practice location 1

75 Francis St
Boston, MA 02115-6106
Phone (617) 732-5500

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, NH2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20090924000418 MA Practitioner - Radiation Oncology 9234285792 Reassigns benefits to 4 organizations
I20120629000402 NH Practitioner - Radiation Oncology 9234285792 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Radiation Oncology
Education
University of Michigan Medical School, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Massachusetts General Physicians Organization IncGroup PAC ID 2466365820, 3,494 clinicians

Practice addresses (Care Compare)

55 Fruit St
Boston, MA 02114-2696
Phone (617) 724-0287

Hospital & facility affiliations

  • Massachusetts General Hospital Hospital, Boston, MA, CCN 220071
  • Cooley Dickinson Hospital Inc,the Hospital, Northampton, MA, CCN 220015
  • Massachusetts Eye and Ear Infirmary - Hospital, Boston, MA, CCN 220075
  • Brigham and Women'S Hospital Hospital, Boston, MA, CCN 220110

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
239950MAMDRadiation Oncology Physician
4301083670MIMDStudent in an Organized Health Care Education/Training Program

Practice roles

OrganizationSpecialtyStatusNew patients
Community Medical Associates, Inc. CurrentSince Feb 5, 2025 Accepting new patients
General Hospital Corp Current Accepting new patients
Brigham & Womens Physicians Organization Inc Radiation Oncology CurrentSince Apr 1, 2025 Accepting new patients
The General Hospital Corporation CurrentSince Aug 15, 2009 Accepting new patients
Brigham and Womens Physicians Organization Inc Past Accepting new patients

Locations

75 Francis St
Boston, MA 02115

55 Fruit St
Boston, MA 02114

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

70 East St
Methuen, MA 01844
Phone (978) 682-1906

2014 Washington St
Newtonville, MA 02462
Phone (617) 243-6000

Interoperability endpoints

  • Direct secure messaging: oh.kevin.mgh@direct.partners.masshiway.net

Organizations & group practices 6

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 5

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": "1175040000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761091200000",
    "number": "1780703124",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 BLOSSOM ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142606",
            "telephone_number": "617-724-1159",
            "fax_number": "617-726-3603"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 BLOSSOM STREET",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "02114",
            "telephone_number": "617-724-1159",
            "fax_number": "617-726-3603"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "75 Francis St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021156106",
            "country_code": "US",
            "telephone_number": "617-732-5500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OH",
        "first_name": "KEVIN",
        "middle_name": "SHAWN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-03-28",
        "last_updated": "2025-10-22",
        "certification_date": "2025-10-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "MI",
            "license": "4301083670",
            "primary": false
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "MI",
            "license": "4301083670",
            "primary": false
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "MA",
            "license": "239950",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.