In addition to maintaining Physician Assistant or Advanced Practice Registered Nurse licensing requirements, some positions may require maintenance of Advanced Cardiovascular Life Support, Basic Life Support, registration with a Prescription Drug Monitoring Program, National Provider Identifier number, and others as appropriate. Public Health: Applies knowledge of the concepts, principles, theories, methods, and tools associated with protecting and improving the health of people and their communities, including, promoting healthy lifestyles, researching disease and/or injury prevention, and/or detecting, preventing, and responding to infectious diseases.