A physician is a doctor of medicine or (practitioner with a doctoral degree in the art and science of medicine and surgery) who can legally diagnose, make recommendations or perform surgical...
No, and claiming to be a physician would be a crime.
If your degree says physician assistant then that's what you are - unless you go back to school, study some more and get a physician's degree.
A physician attends medical school for 4 years to receive an MD. PAs usually attend a 2 or 3 year physician assistant program which results in a master's degree. After graduation, physicians are...