Radiation Therapy of Southeastern Mass, LLC
NPI 1104978519 · Radiation Oncology Clinic/Center · Mansfield, MA
Enrolled with Medicare as Part B Supplier - Radiation Therapy Center · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Radiation Therapy of Southeastern Mass, LLC is a Radiation Oncology Clinic/Center organization in Mansfield, MA (NPI 1104978519).
Provider details
- NPI number
- 1104978519
- Entity type
- Organization
- Primary specialty
- Radiation Oncology Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Tiffany Zewe, Vp(617) 726-2541
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Brigham and Women'S / Sturdy Memorial Radiation Oncology Center
Registry dates
- Enumerated
- 2007-01-17
- Last updated
- 2026-05-06
- Certified
- 2026-05-06
Frequently asked questions
- What is Radiation Therapy of Southeastern Mass, LLC's NPI number?
- Radiation Therapy of Southeastern Mass, LLC's National Provider Identifier (NPI) is 1104978519, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Radiation Therapy of Southeastern Mass, LLC?
- Radiation Therapy of Southeastern Mass, LLC is classified in the NPPES registry as Radiation Oncology Clinic/Center (Ambulatory Health Care Facilities).
- Where is Radiation Therapy of Southeastern Mass, LLC located?
- Radiation Therapy of Southeastern Mass, LLC's practice location on file with NPPES is 89 Forbes Blvd, Mansfield, MA 02048-1125.
- What is Radiation Therapy of Southeastern Mass, LLC's phone number?
- The practice phone number listed in the NPPES registry for Radiation Therapy of Southeastern Mass, LLC is (857) 307-3700.
- Does Radiation Therapy of Southeastern Mass, LLC accept Medicare?
- Radiation Therapy of Southeastern Mass, LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Radiation Therapy of Southeastern Mass, LLC?
- The authorized official listed on Radiation Therapy of Southeastern Mass, LLC's NPPES record is Tiffany Zewe, Vp. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Radiation Therapy of Southeastern Mass, LLC's NPI active?
- Yes — Radiation Therapy of Southeastern Mass, LLC's NPI (1104978519) is active in the NPPES registry as of the last update on 2026-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.