Master of Science in Nursing. Master's degree programs prepare nurses for more independent roles such as Nurse Practitioner, Clinical Nurse Specialist, Nurse-Midwife, Nurse Anesthetist, or Nurse Psychotherapist. MasterĂ¢â‚¬(tm)s-prepared nurses serve as expert clinicians, in faculty roles, and as specialists in geriatrics, community health, administration, nursing management, and other areas.