Active Medical Assistant certification Registered Medical Assistant (RMAfrom American Medical Technologists (AMT) or Certified Medical Assistant (CMA) from American Association of Medical Assistants (AAMA) or Certified Clinical Medical Assistant (CCMA) from National Health Career Association (NHA or National Certified Medical Assistant (NCMA) from National Certified Competency Testing (NCCT). As an MA in the back office, your primary responsibilities will include - rooming patients, obtaining vitals, chart prep, answering back-office phones, working to obtain authorizations and medical records, assist with in office procedures, in office genetic testing, weekly back-office cleaning, scope cleaning/training, and autoclave training/responsibility.