Hello Shania, assistant surgeon is Surgical physician assistants (PAs) extend the services of surgeons by providing patient care before and after surgery. 

For becoming a assistant surgeon following steps you need to follow :-

1. Step 1: Earn a Bachelor's Degree. A requirement for entering a PA program is a bachelor's degree. ...
2. Step 2: Gain Experience Working in Healthcare. ...
3. Step 3: Attend a Physician Assistant Program. ...
4. Step 4: Earn Certification. ...
5. Step 5: Apply for Licensure. ...
6. Step 6: Complete an Optional Surgical Residency.