Gregory L. Ortega, MD, maintains a position at the Mid Florida Hematology and Oncology Centers PA located in Orange City, Florida. Dr. Ortega is a well-versed hematology oncologist with over 30 years of experience in the field. Triple Board certified in his expertise, Dr. Ortega has had the honor of being listed with Castle Connolly's Top Doctors for two consecutive years; and has completed research trials with the Sarah Cannon Cancer Center and the James Graham Brown Cancer Center. Highly involved with continued education, Dr. Ortega is an attending physician to several local medical facilities, has published works on medical research, and acts as a Clinical Assistant Professor at the University of Florida Health Science Center.