Dr. Murphy is a recognized national leader in allergy and immunology. He is the founding Chief of the Allergy Section of PENN MEDICINE Chester County Hospital. He is a fellow and a member of the Board of Directors of the American Academy of Allergy Asthma and Immunology and as such has played an integral role in various national projects regarding Allergy/Immunology medical education, practice and patient care. Regionally Dr. Murphy has been intimately involved with advocacy related to injectable epinephrine available in schools, newborn screening for immune system disorders (SCID) and accurate physician representation of their training and credentials. He has been on the Alumni Board of the Penn State University College of Medicine and served as its President-elect, President and Past President. He is a past member of the Board of Regents of the Pennsylvania Allergy Association, past President of the Philadelphia Allergy Society, past representative for Allergy to the House of Delegates, and the Specialty Leadership Cabinet of the Pennsylvania Medical Society (2010 – present).