Answer
David E. Kelley wrote for the medical drama Doogie Howser, M.D. which aired on ABC from 1989 to 1993. The show starred Neil Patrick Harris as a teenage doctor who graduated from medical school at the age of 14. Kelley was the creator and executive producer of the show, and he wrote several episodes. Doogie Howser, M.D. was a critical and commercial success, and it helped to launch Harris's career.