Kostandinos Sideras, M.D., Ph.D.

Kostandinos Sideras, M.D., Ph.D., is a medical oncologist at Mayo Clinic Comprehensive Cancer Center in Jacksonville, Florida. Dr. Sideras treats breast cancer and has a special interest in advancing breast cancer treatment through clinical trials and the latest scientific research. He is part of the Jacoby Center for Breast Health in Jacksonville, Florida. Mayo Clinic is the #1 hospital in Florida, according to U.S. News & World Report. Mayo Clinic Comprehensive Cancer Center is a National Cancer Institute (NCI)-designated comprehensive cancer center.