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Physician Bios
All our physicians are board certified by the American Board of Radiology-Radiation Oncology.  View the physician biographies below to get a better view of their education and expertise.
D. Ross Dickson, M.D.
David J. Schwartz V, M.D.
Douglas J. Olson, M.D.
Jeffrey Herman, M.D.
John A. Kosiak, M.D.
John Ling, M.D
Kim McCollow, D.O.
Kurt Nisi, M.D.
Linda Wilmarth, M.D.
Mark A. Bisignani, M.D.
Paul W. Sperduto, MD, MPP
Richard F. Diaz, M.D.
Robert E. Haselow, M.S., M.D.
Wayne T. Spears, M.D.