Steward Centers for Cancer CareCancer CareOur Cancer CentersGood Samaritan Medical Center

Radiation Oncology Center and Team

Good Samaritan Center for Cancer Care Good Samaritan’s Radiation Oncology Center offers patients new approaches in radiation therapy while using the most advanced equipment and technology available.  The center features a state-of-the-art linear accelerator and the latest CT scan equipment, all housed in a warm, patient-friendly setting close to home.

We offer the following techniques in radiation therapy:
  • 3D conformal radiation therapy (3D-CRT)
  • Intensity modulated radiation therapy (IMRT)
  • Image guided radiation therapy (IGRT)
Accredited by the American College of Radiology-American Society for Radiation Oncology, our center received its three-year certificate of accreditation in December of 2010 from the ACR-ASTRO Committee on Radiation Oncology Accreditation.

The Radiation Oncology Center staff includes:

  • Mark Sinesi, MD, PhD, who is the medical director of the Good Samaritan Radiation Oncology Center. A native Brocktonian, Sinesi has been recognized as one of the top doctors in his field. He earned his bachelor’s degree from Brown University in Providence, R.I., a PhD from Temple University in Philadelphia, and an MD from Boston University. Sinesi has dedicated his career to radiation oncology and to providing patients with compassionate care.
  • A. Jason Zauls, MD, is the division chief of Radiation Oncology and a board-certified radiation oncologist who oversees the care and treatment plans of our patients. Zauls earned his medical degree from the University of Chicago, Pritzker School of Medicine in Chicago. He completed a residency in the Department of Radiation Oncology at the Medical University of South Carolina in Charleston, S.C., where he served as chief resident. He also completed an internship at Lemuel Shattuck Hospital and Tufts Medical Center in Boston. Zauls has specialized expertise and training in stereotactic body radiotherapy (SBRT) and stereotactic radiosurgery (SRS). He has published numerous articles in peer-reviewed journals for a range of treatments including head and neck, lung, breast, and prostate cancers. In addition, he has been invited to present his research at both national and international meetings. He is a member of the American Society for Radiation Oncology, Radiological Society of North America, American Brachytherapy Society and the American College for Radiology.
  • Board-certified radiation oncologists
  • Medical physicists
  • Medical dosimetrists
  • Radiation therapists
  • Radiation therapy nurses

In addition to providing state-of-the-art radiation oncology services, the center is home to the Millie Moynihan Cancer Resource Center, which provides a quiet place where patients, family and friends can research the disease, its diagnoses, the latest treatments, alternative therapies, and support groups through books, pamphlets, and high-speed internet access. The resource center is open from 8 a.m. to 5 p.m. 



Good Samaritan Comprehensive Cancer Program
235 North Pearl Street
Brockton, MA 02301
Phone: 508-427-3185

Good Samaritan Radiation Oncology Center and The Millie Moynihan Cancer Resource Center
818 Oak Street
Brockton, MA 02301
Phone: 508-427-2900

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