Radiation oncologists
Radiation oncology, also called therapeutic radiology, is the subspecialty of oncology that involves treatment of cancer with radiation. Learn more about therapeutic radiology >>
Radiation oncology is provided at Community Hospital East, Community Hospital South (off-site) and Community Regional Cancer Center - North on the Community Hospital North campus. Find locations >>
Jianan C. Graybill, M.D.
Dr. Graybill received her B.S. in Mathematics and Chemistry from William Smith College in Geneva, NY, and her medical degree from Pritzker School of Medicine at the University of Chicago in Chicago, IL. She was trained in radiation oncology at Rush Presbyterian St. Luke’s Hospital in Chicago.
Dr. Graybill has a special interest in treating prostate and breast cancer. She started the prostate seed program in Anderson, Indiana. She also has expertise in treating prostate cancer with high dose rate brachytherapy. Dr. Graybill was also one of the first physicians to bring MammoSite brachytherapy, partial breast irradiation, to Indiana.
In 2011 and 2005, Dr. Graybill was selected as a “Top Doc” by peers in Indianapolis Monthly magazine. She is a fellow in the American College of Radiation Oncology and the president of Radiation Oncology Society of Indiana. She is also a member of the American Society for Therapeutic Radiology and Oncology.
Chandrika Patel, M.D.
Dr. Patel is board certified in radiation oncology by the American Board of Radiology. She received her medical degree from Washington University School of Medicine in St. Louis, Missouri, where she graduated in the top third of her class. She completed a residency in internal medicine at the Cleveland Clinic Foundation in Cleveland, Ohio. While working towards her undergraduate degree, Dr. Patel received numerous scholastic honors, and even served as president of her social sorority, Alpha Chi Omega. Since receiving her medical degree, Dr. Patel has written and presented numerous medical research studies.
Darrel Ross, M.D.
Dr. Ross is board certified in radiation oncology by the American Board of Radiology. He attended Wayne State University School of Medicine in Detroit, Michigan and completed his internal medicine residency at Oakwood Hospital and Medical Center. He also did specialty training rotations at M.D. Anderson Cancer Center in Houston, Texas, and at St. Jude Children’s Research Hospital in Memphis, Tennessee. He is a member of the American Medical Association, American Society for Therapeutic Radiology and Oncology, and the Indiana State Medical Association.
In his free time, Dr. Ross enjoys running, tennis, kickboxing, and playing the piano and trumpet.
S. Jack Wei, M.D.
Dr. Wei is board certified in radiation oncology by the American Board of Radiology. He graduated from medical school at Washington University in St. Louis, Missouri, and finished his radiation oncology residency at the Pennsylvania Hospital in Philadelphia. His areas of expertise include brachytherapy, colorectal and digestive malignancies, breast cancer, prostate cancer, CNS, lung cancer, and head and neck cancers.
Dr. Wei is a member of many professional associations, including the American Society of Therapeutic Radiology and Oncology, American Society of Clinical Oncology, Indiana State Medical Association, Indianapolis Medical Society, Hoosier Oncology Group, and Radiation Therapy Oncology Group.