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Dawn Williamson, RN, DNP, PMHCNS-BC, CARN-AP

Dawn Williamson, addiction specialist

Addiction Specialist, Emergency Department, Massachusetts General Hospital

Dawn Williamson is an Advanced Practice Nurse for Addictions Consultation in the Emergency Department at the Massachusetts General Hospital. Ms. Williamson responds to the treatment needs of both individuals and families with addiction and mental health issues in the emergency setting. As part of her responsibilities, she provides training and supervision of the clinical staff, develops and implements policies relating to patient care, and provides assistance with establishing treatment plans. 

She received a Doctorate in Nursing Practice from Regis College with a concentration in nursing leadership. She obtained a Masters in Science in Adult Mental Health Nursing from Northeastern University and a BSN from the University of Massachusetts. Dawn is Board Certified as a Clinical Specialist in Adult Psychiatric and Mental Health Nursing. She is also a Certified Advanced Practice Addictions Registered Nurse. With thirty years of nursing experience she has practiced in both outpatient and hospital settings prior to coming to The Massachusetts General Hospital. 

Dawn has served as a preceptor to nurse practitioner students from the Institute of Health Professions, Vanderbilt University and Regis College of Nursing. She is one of two Advanced Practice Nurses appointed by the Massachusetts Department of Public Health to a medical review group informing the policy and development of the State Prescription Monitoring Program. 

Dr. Williamson is a member of the Emergency Nurses Association (ENA) and helped author position statements for the association on Medical Evaluation of Psychiatric Patients and on Substance Use and the Emergency Care Setting. She is also an active member of the International Nurses Society on Addictions. She has given numerous presentations on addiction and mental health treatment. She authored the chapter on alcohol intoxication and withdrawal states for Sheehy’s Manual of Emergency Care, as well as, the module on substance use disorders for Mosby’s eLearning course, Handling Psychiatric Emergencies.