MEDICAID – Amends existing law to provide that a health risk assessment shall include questions regarding substance use disorders, to provide that the director of the Department of Health and Welfare shall seek certain waivers and conduct certain research, to provide that approved waivers shall be approved as soon as possible, to provide that Medicaid eligibility expansion may become null, void, and of no force and effect under certain circumstances, and to provide for a review of and a recommendation regarding Medicaid expansion.