Personal pilots should hold a 3rd-course professional medical certification
https://www.livebinders.com/b/3571734?tabid=cb545fff-5e65-c0dd-e4d6-d756f4dd4de4
Personal pilots will have to maintain a 3rd-course healthcare certificate, which includes much more stringent professional medical prerequisites compared to the sport pilot's requirement for a sound driver's license as evidence of health care fitness