Medical Assistant Training - Preparing You for What All It Takes to Become a Certified MA. Want to become a certified Medical Assistant/Aide (MA)? Becoming a MA is an excellent career choice for someone who wishes to make a name in a health care industry today. Not only is a brilliant way to help sick people, but it is a career that is in sky-high demand in the United States, meaning that you will 99.99% be guaranteed a job, once you have the mandatory qualifications.