A graduate of the University of California at Davis, Dr. Rodnick attended medical school at the University of California at Los Angeles, where he also completed his residency in Internal Medicine in 1988. He completed his Radiation Oncology residency at the University of California at Irvine in 1992, where he subsequently served as an Assistant Clinical Professor. He is a member of the American Society for Radiation Oncology (ASTRO), the American College of Radiology (ACR) and the Ventura County Medical Association. Dr. Rodnick is board certified in both Radiation Oncology and Internal Medicine.

Dr. Rodnick is affiliated with Cabrillo Radiation Oncology Medical Center in Ventura.