Through medical education and research programs, the Department of Radiation Oncology at IU School of Medicine is helping to create better ways of treating diseases that are amenable to radiation therapy and training tomorrow’s leading radiation oncologists, physicists and radiation therapists. Department faculty treat a wide variety of cancers and take seriously the commitment to ensure that patients have access to quality, state-of-the-art radiation oncology services.



The Department of Radiation Oncology offers MD courses, medical and physics residency programs, undergraduate radiation therapy training, and a graduate dosimetry certificate program—all taught by accomplished experts in this field of medicine.


The Radiation Oncology team is engaged in a wide range of clinical trials and research projects that leverage collaborative partnerships across traditional academic boundaries, modern facilities at IU School of Medicine and a dynamic biomedical industry in Indiana.
Clinical Care

Clinical Care

Faculty educators in the Department of Radiation Oncology offer individualized cancer treatments for each patient. Technologically advanced procedures include stereotactic radiosurgery, radioactive seed implantation, intensity-modulated radiation therapy, and volumetric arc therapy.
Faculty Members
Adult Faculty Radiation Oncologists
Research Faculty

Faculty Spotlight

Rich C. Zellars, MD

Rich C. Zellars, MD

Chair, Department of Radiation Oncology
Rich Zellars, MD, is involved in several clinical trials and studies, and he participates in the teaching of residents, medical students and undergraduates at IU School of Medicine.
Maria C. Walker, MA,  BSMS

Maria C. Walker, MA, BSMS

Director, Radiation Therapy Training Program
Ms. Walker is very involved in professional and community organizations, including the Indiana Society of Radiologic Technologists and the Indiana Lions Club.

Committed Clinical Care

The Department of Radiation Oncology at IU School of Medicine provides patients the most responsive, efficient and cost-effective radiation oncology services possible and upholds the highest ethical standards in a socially responsible manner to maximize the welfare of patients, department staff, and the community.

Graduate Medical Education Programs

IU School of Medicine offers residency programs in radiation oncology and medical physics. The Radiation Oncology categorical residency is a four-year program that begins at the PGY2 level. The Medical Physics Residency program covers basic physics, treatment planning, daily treatment setups and brachytherapy calculations in a curriculum that spans four years.