what is difference between physician's assistant and medical doctor
However, all of these are supervised by the MD. The MD is the highest level in the field of medicine and therefore a Medical Doctor should carry out all medical related duties wholly and autonomously. Summary. 1. MD is a Medical Doctor while PA is a Physicianâs Assistant. 2. An MD works autonomously while a PA always works under the supervision of the MD. 3.A Medical Doctor requires almost 11 years of post high school to qualify as one while a PA needs approximately 2 years and some health care experience.