; or (2) violated the requirements of a medical license of the health care provider that resulted in the loss of such medical license. (b) Permissive action On and after the date that is one year after the date of the enactment of this Act, the Secretary may deny, revoke, or suspend the eligibility of a health care provider to provide non-Department health care services if the Secretary determines such action is necessary to immediately protect the health, safety, or welfare of veterans and the health care provider is under investigation by the medical licensing board of a State in which the health care provider is licensed or practices. (c) Suspension The Secretary shall suspend the eligibility of a health care provider to provide non-Department health care services to veterans if the health care provider is suspended from serving as a health care provider of the Department. (d) Comptroller General report Not later than two years after the date of the enactment of this Act, the Comptroller General of the United States shall submit to Congress a report on the implementation by the Secretary of this section, including the following: (1) The aggregate number of health care providers denied or suspended under this section from participation in providing non-Department health care services. (2) An evaluation of any impact on access to health care for patients or staffing shortages in programs of the Department providing non-Department health care services. (3) An explanation of the coordination of the Department with the medical licensing boards of States in implementing this section, the amount of involvement of such boards in such implementation, and efforts by the Department to address any concerns raised by such boards with respect to such implementation. (4) Such recommendations as the Comptroller General considers appropriate regarding harmonizing eligibility criteria between health care providers of the Department and health care providers eligible to provide non-Department health care services. (e)