; (3) provide the Chief Medical Officer with authority to take any action that would diminish the interoperability of the Coast Guard medical system with the medical systems of the other branches of the Armed Forces of the United States; or (4) affect or diminish the authority of the Secretary of Health and Human Services or to grant to the Chief Medical Officer any authority that is vested in, or delegated to, the Secretary of Health and Human Services. . (b) Transition and transfers (1) Transition The individual appointed pursuant to section 1931 of the Homeland Security Act of 2002 ( 6 U.S.C. 597 ) of the Department of Homeland Security, as in effect on the day before the date of enactment of this Act, and serving as the Chief Medical Officer of the Department of Homeland Security on the day before the date of enactment of this Act, shall continue to serve as the Chief Medical Officer of the Department on and after the date of enactment of this Act without the need for reappointment. (2) Transfer The Secretary of Homeland Security shall transfer to the Chief Medical Officer of the Department of Homeland Security— (A) all functions, personnel, budget authority, and assets of the Under Secretary for Management relating to workforce health and safety, as in existence on the day before the date of enactment of this Act; (B) all functions, personnel, budget authority, and assets of the Assistant Secretary for the Countering Weapons of Mass Destruction Office relating to the Chief Medical Officer, including the Medical Operations Directorate of the Countering Weapons of Mass Destruction Office, as in existence on the day before the date of enactment of this Act