Unless your child is sick, children over the age of three are generally seen once a year for their annual check up. The easiest way to remember this is to schedule the visit around their birthday.
The scheduled intervals for well child exams:
Newborn visit (2-3 days after discharge from the hospital)
1 week
1 month
2 months
4 months
6 months
9 months
12 months
15 months
18 months
24 months
30 months
3 years and older: once a year for a comprehensive physical exam