; and (ii) by adding at the end the following new subparagraph: (B) Members of the reserve components of the Armed Forces for purposes of furnishing hospital care and medical services under section 1789(a) of this title. . (2) Initial enrollment (A) Phased approach The Secretary of Veterans Affairs shall implement a phased approach under subparagraphs (B) and (C) to enroll all members of the reserve components of the Armed Forces in the patient enrollment system. (B) Uninsured The Secretary shall ensure that all members of the reserve components of the Armed Forces who are uninsured are enrolled in the patient enrollment system by not later than December 31, 2023. (C) Other members The Secretary shall ensure that all members of the reserve components of the Armed Forces not covered by subparagraph (B) are enrolled in the patient enrollment system by not later than December 31, 2024. (3) Ongoing enrollment After December 31, 2023, the Secretary shall automatically enroll in the patient enrollment system all new members of the reserve components of the Armed Forces upon those members joining the reserve components. (4) Study (A) In general The Secretary shall conduct a study to evaluate options for improving access to health care for members of the reserve components of the Armed Forces, including by conducting a review of priority groups for enrollment in the patient enrollment system. (B) Report Not later than 180 days after the date of the enactment of this Act, the Secretary shall submit to Congress a report on the study conducted under subparagraph (A). (5) Consultation with Secretary of Defense The Secretary shall carry out this subsection and the amendments made by this subsection in consultation with the Secretary of Defense. (6) Patient enrollment system defined In this subsection, the term patient enrollment system means the system of annual patient enrollment of the Department of Veterans Affairs established and operated under section 1705(a) of title 38, United States Code.