Creates the Substance Use Disorder and Mental Health Program Transparency Act. Provides that, within 6 months after the effective date of the Act, the Department of Healthcare and Family Services, in coordination with the Department of Human Services, shall compile a report concerning all substance use disorder and mental health programs in the State. Provides that the report shall identify each State-funded substance use disorder and mental health program in the State and provide specified information about each program. Provides that the Department of Healthcare and Family Services, in coordination with the Department of Human Services, shall collaborate with relevant State agencies to ensure the timely and accurate collection of information required for the report. Provides that the Department of Healthcare and Family Services, in coordination with the Department of Human Services, shall submit the report to the General Assembly and make the report accessible to the public on the Departments' website no later than 6 months after the effective date of the Act. Effective immediately.