yes after taking their doctor's degree
If you mean do you have to be a nurse before you can be a doctor, the answer is no.
nurse
No, doctors and nurses are not the same thing. A female doctor is still known as a doctor. Nurses can be men or women and the same is true for doctors. The training of a nurse and doctor is different and they should not be confused with each other.
doctor
a nurse school doctor
a doctor.
doctor
A pediatrician nurse is nurse that take care of babies.
A nurse can be a Certified nurse. it is were they can go in and help the Doctor's with surgery. and a nurse can be a nurse for the elderly.
doctor
nurse
CNP = Certified Nurse Practitioner. So technically, your "doctor" is actually a highly trained nurse.