To Qualify to work as a medical doctor,
You need to attend and graduate from a medical school.
You need at least 6As to qualify for medical school as an SHS student.
Also people who have a degree in a health or science related program can apply to medical school
After your medical school, you will do one year housemanship at a hospital.
After that, you will be registered and posted to a health Facility by the Ghana Health service.
At this point, you officially become a medical doctor.