Dr. Robert Johnson is a recognized radiation oncologist in Rancho Mirage, California. He received his medical diploma from the University of Cincinnati College of Medicine in 2007. After getting his medical degree, he did an internship in internal medicine at Christ Hospital. Dr. Johnson completed his medical education with a residency in radiation oncology at the University of Louisville. He is certified by the American Board in radiation oncology. At the moment Dr. Johnson works at Eisenhower Medical Center. In 2012 he published the article “Contralateral prophylactic mastectomy: clinical and pathological features from a prospective database” in collaboration with other doctors.