The medical assistant will provide support to the practice in the functional areas of clerical, clinical and business under the direct supervision of a Nurse, Nurse Practitioner, Physician Assistant or Physician. Requirements. For hires after 11/28/2011: CMA/RMA/CCMA certification/registration required or within 6 mos of hire OR credentialed through formal training program that includes testing of knowledge. BLS within 6 months of hire. Major Res...