The day-to-day achievements of a radiologist are enough to make her a superhero to patients and their families. Because this field is constantly growing, you have numerous chances to become famous. Just choose an area of research in a particularly notorious killer like breast cancer or pancreatic cancer. Or find a way to make the radiation therapy more effective or have fewer side effects. Take your love of technology and information and build new software or even machinery based on what you know.
Being included in national "best of" medical provider lists gets your name in the spotlight, even if you prefer the dark.