6 Ways to Make the Most of Your Teen's Visits to the Doctor

The appropriate age to make the switch from a pediatrician to an adult practitioner varies from child to child. "While 18 is often thought to be a reasonable age, sometimes it doesn't happen until after college, and that's OK too," said Chung.

It's important that you don't just transition away from a doctor who you feel your child's outgrown, but also that you make a move to someone who's qualified, a good fit for your family, and that they're comfortable with.