• Our Philosophy
• Our Team

Please click the name below to read the professional profile of a physician or staff member.

• Philip G. Maddock, MD FRCR
• Angela Katz DeRobertis, MD
• Lucy Maddock, MA MBA
• Paul Vadash, Ph.D., A.B.M.P.
• Zhen Zheng, Ph.D.
• Caroline Cournoyer, RTT CMD
• Beverly Brunner, CMD

Dr. Maddock founded the Maddock Center for Radiation Oncology, formerly Radiation Oncology Services, in 1984 with the goal of providing cancer patients with the latest technology available. Dr. Maddock brings more than 30 years of radiation oncology and leadership experience to the practice and sees patients on a daily basis.

Currently, Dr. Maddock participates on Tumor Boards at Rhode Island Hospital, Kent Hospital, Women & Infants Hospital and St. Joseph/Fatima Hospital. He is on the medical staff at Rhode Island Hospital, South County Hospital, St. Joseph/Fatima Hospital, Westerly Hospital and Women & Infants Hospital. Additionally, Dr. Maddock is a Clinical Associate Professor of Radiation Medicine at Brown University where he has served as a faculty representative on the Postgraduate Referral Committee and as an Affinity Group Leader in the Program in Liberal Medical Education.

Prior to founding the Maddock Center, Dr. Maddock served as the Director of Clinical Radiation Oncology at Rhode Island Hospital. Previously, he was the Director of Radiotherapy at the Allan Blair Memorial Clinic in Regina, Saskatchewan, Canada before moving to Rhode Island in 1978.

Dr. Maddock received his medical degree from University College Dublin, performed his internship at Mater Hospital and did his residency at St. Luke’s Hospital, in Dublin, Ireland. Dr. Maddock held faculty positions at St. Luke’s Hospital and taught at University College Dublin, Trinity College and the Rhode Island Hospital School of Radiotherapy Technology.