"Mary Ann" is a native of Massachusetts and has been practicing in Salem since 1973. She received her BSN from Salem State College and her MSN from the University of Lowell. She has been a nurse practitioner in the practice since 1985 and is certified to independently treat adults and children. She is also responsible for the certification and quality assurance of our laboratory. Mary Ann is well known for not eating her fruits and vegetables, and everybody knows her by her white hair.