maintains current, active, full, and unrestricted licensure or registration as a physician from a State, the District of Columbia, or a commonwealth or territory of the United States;

holds active board certification and maintains accreditation in an American Board of Medical Specialties direct care clinical specialty; and

except as provided in subsection (d), maintains a minimum of 96 hours per year of clinical practice in an accredited clinic or hospital facility that is not affiliated with the Central Intelligence Agency.