Most PA programs these days are masters programs. There are still some bachelors programs and possibly some that confer no degree. There are practicing PAs that have no degree since it was not always required. Check out the program you are interested in to see what the prerequisites are.
Yes you need a degree http://www.wikihow.com/Become-a-Physician-Assistant
To become a physician assistant you must obtain a bachelors degree; however, most organizations now require a masters degree.
Associate Degree
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Physician Assistant programs generally take 2 years to complete as a full time student. Most of the students already have a college degree and some medical office experience.
There are two-year and four-year physician assistant programs that will enable you to be certified. Many PA's obtain a masters degree in there chosen field.
Requirements for entry into physician assistant certificate programs vary by school. Most programs require prospective students to have a bachelor's degree as well as some experience in healthcare.
Find a college that offers the course. Pay the fee. Study.
You can get in http://www.gradschools.com they explained that the Doctor Assistant (PA) graduate program focused on patient care, as well as primary care and specialty patients in medical and surgical practice. Graduates with master's (MS) or PhD degree in physician assistance could continue for a career as an assistant surgeon, assistant emergency department physicians, orthopedic physician assistant, physician assistants heart and much more.
It is a Master's of Health Sciences Degree and is very similar to a MPH or Master's of Public Health, but is more specialized and is the degree awarded in Physician Assistant programs.
A physician assistant who is certified from outside the US cannot work in the US as a physician assistant. The person will need to gain US credentials.
A list of physician assistant classes to take which can be found online is a list which can be provided by any college in which the PA degree or accreditation can be provided. Also, yes, in most cases the classes will be difficult.