What is the age a doogie howser?

Doogie Howser, the fictional character from the television series, is portrayed as a medical prodigy who graduates from medical school at the age of 16. The show, which aired from 1989 to 1993, depicts him as a teenage doctor navigating both his professional and personal life. Therefore, when the series begins, Doogie Howser is 16 years old.