The medical teaching course emerges because it is considered necessary. It is considered necessary not because the doctors that exist out there do not possess enough knowledge to be qualified. Neither is the course targeted to the undergraduate or postgraduate students who are trying to make themselves doctors.
Such kind of doctors teaching course emerges because the competition in the medical field is getting tighter and tighter with each passing day. The problem is that every qualified doctor out there has the same level height of qualifications that it becomes rather difficult for even a qualified doctor to get his place in the medical field.
But the doctors who are going to enroll in such courses surely need a totally qualified and competitive teacher. That is why such course as teach the teacher course exists. It is targeted for all the doctors from every level in case they feel like getting formal instructions on how to teach. It is also useful if they want their teaching techniques observed and assessed or if they want to improve their style in giving lectures. Such medical teach the teacher course for doctors can be obtained from Oxford Medical institution which is a very recommended place to go for this purpose.