Are medical assistants or CNA's required in medical offices Can a DR run an office alone?

A medical doctor can have a PA aid him in a vary simple one room clinic or he/she can try and solo it but it i vary uncommon. A CNA is more for a elderly home the most common aid a doctor will have is a CMA, RNA, or a RN. If you are in a small town or in a place with a small population, there are those doctors who does not have any assistants helping them out, but in crowded to medium population places, they will need someone to help them out. In most city, they would get a medical office manager specially if the facility is very big.