[header] How to become an er physician [title] Go to college. [step] You need at least 3 years of undergraduate school or a bachelor's degree to enter medical school. [substeps] You can major in pre-medicine or a related area such as physics, biology or chemistry since these majors include all the prerequisites, but a science major is not required. 
Earn a high grade point average (gpa). Medical school is competitive, so you want the highest gpa you can earn.