David Hornback, M.D., received his medical degree and completed his residency in radiation oncology at Indiana University School of Medicine, and served his internship through the Transitional Residency Program at St. Vincent Hospital & Healthcare Center.

Dr. Hornback specializes in stereotactic radiosurgery, high and low dose rate brachytherapy and prostate seed implants. He has extensive clinical research experience and maintains memberships in a number of professional associations, including the American Society for Therapeutic Radiology and Oncology, the American Society of Clinical Oncologists and the American Medical Association.

John Horvath, M.D.

John Horvath, M.D. received his medical degree from the Indiana University School of Medicine in 1966. He completed his Internship at the Methodist Hospital of Indiana in Indianapolis, and his residency at Indiana University. He is board certified by the American Board of Radiology. He spent many years serving the Indianapolis community at St. Vincent’s Hospital Cancer Center, though the South Bend community has always been an integral part of the Horvath family. Dr. Horvath’s brother is a local pediatrician.