NPIMap

Organization Active NPI

Radiation Therapy of Southeastern Mass, LLC

Doing business as Brigham and Women's / Sturdy Memorial Radiation Oncology Center

  • Radiation Oncology Clinic/Center
  • Mansfield, MA
National Provider Identifier
1104978519
Registry record updated May 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology Clinic/CenterTaxonomy code 261QX0203X
Legal business name
RADIATION THERAPY OF SOUTHEASTERN MASS, LLC
Doing business as
Brigham and Women's / Sturdy Memorial Radiation Oncology Center
Practice address
89 Forbes Blvd
Mansfield, MA 02048-1125
Phone
(857) 307-3700
Fax
(857) 307-3710
NPI assigned
Jan 17, 2007
Organization subpart
No

NPPES NPI Registry

Updated by the provider on May 6, 2026

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

Authorized official

Name
Tiffany Zewe
Title
VP
Phone
(617) 726-2541

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Radiation Oncology Clinic/Center 261QX0203X Primary

Addresses

Primary practice location

89 Forbes Blvd
Mansfield, MA 02048-1125

Mailing address

89 Forbes Blvd
Mansfield, MA 02048-1281
Phone (857) 307-3700

Other identifiers 1

IdentifierTypeStateIssuer
110077799BMedicaidMA

Other names 1

  • Brigham and Women's / Sturdy Memorial Radiation Oncology Center Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20070615000252 MA Part B Supplier - Radiation Therapy Center 9335248343 Receives reassigned benefits from 14 practitioners
Practice locations: Mansfield, MA

National Provider Directory

National Provider Directory
Tax ID family
Radiation Therapy of2 organizations share this tax ID, including this one

Other organizations with this tax ID 1

Organizations that report the same tax identification number in the National Provider Directory.

Member of 2

Organizations this organization is a member of, according to the National Provider Directory.

Locations

375 Longwood Ave
Ste 1
Boston, MA 02215

Practitioners & affiliated clinicians

Practitioners 17

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 17

NPI Registry JSON

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

{
    "created_epoch": "1168992000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1778025600000",
    "number": "1104978519",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "89 FORBES BLVD",
            "city": "MANSFIELD",
            "state": "MA",
            "postal_code": "020481281",
            "telephone_number": "857-307-3700",
            "fax_number": "857-307-3710"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "89 FORBES BLVD",
            "city": "MANSFIELD",
            "state": "MA",
            "postal_code": "020481125",
            "telephone_number": "857-307-3700",
            "fax_number": "857-307-3710"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "RADIATION THERAPY OF SOUTHEASTERN MASS, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-01-17",
        "last_updated": "2026-05-06",
        "certification_date": "2026-05-06",
        "status": "A",
        "authorized_official_last_name": "ZEWE",
        "authorized_official_first_name": "TIFFANY",
        "authorized_official_title_or_position": "VP",
        "authorized_official_telephone_number": "617-726-2541"
    },
    "taxonomies": [
        {
            "code": "261QX0203X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Oncology, Radiation",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110077799B",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Brigham and Women's / Sturdy Memorial Radiation Oncology Center",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Mansfield, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.