Fame
Easily the most famous pediatrician of all time was Dr. Spock. He was famous for finding a cure for the Vulcan neck pinch. All right—wrong Spock. The famous pediatrician was actually Dr. Benjamin Spock, and he was most well-known for his revolutionary book, Baby and Child Care, and for his ideas about how to treat children almost as if they were real, honest-to-goodness people.
It's possible that you may make some similar breakthrough and earn equal distinction, but more likely, you'll just have to settle for healing and treating sick and wounded children in complete obscurity. Hope that's enough for you.