serving as the principal advisor on medical and public health issues to the Secretary, the Administrator of the Federal Emergency Management Agency, the Assistant Secretary, and other Department officials;

providing operational medical support to all components of the Department;

as appropriate, providing medical liaisons to the components of the Department, on a reimbursable basis, to provide subject matter expertise on operational medical issues;

coordinating with Federal, State, local, and Tribal governments, the medical community, and others within and outside the Department, including the Centers for Disease Control and Prevention and the Office of the Assistant Secretary for Preparedness and Response of the Department of Health and Human Services, with respect to medical and public health matters; and

performing such other duties relating to such responsibilities as the Secretary may require.