Improving the Quality of Mental and Substance Use Health Care Act of 2009 - Directs the Secretary of Health and Human Services to: (1) establish the Commission for Evidence-Based Mental and Substance Use Health Care; (2) convene an interagency collaborative group to coordinate mental health and substance use services and primary care services; (3) change Medicaid reimbusement rules to cover same-day visits for primary care services and mental health and substance use services; (4) implement a plan for ensuring that Department of Health and Human Services (HHS) activities promote health information technology that is accessible and pertinent to mental health and substance use health care providers and consumers; and (5) establish the Council on the Mental Health and Substance Use Health Care Workforce.
Requires the Director of the National Institutes of Health (NIH) to make grants for a network of national centers of excellence in mental health and substance use health care.
Requires specified federal programs that provide mental health and substance use care to pay for peer support and illness self-management programs and provide for appropriate payment and coverage reforms.
Directs the Secretary to develop uniform methodologies related to payments for mental illnesses and substance use disorders.
Requires the Comptroller General to study the use of publicly-supported mental health and addiction services by individuals with private health insurance coverage.
Directs the Secretary to establish a five-year project to demonstrate the impact of creating delivery and financing structures that deliver high-quality, integrated, mental health and substance use health care.
Amends title XIX (Medicaid) of the Social Security Act to require states to prohibit discrimination against patients being treated for, or health care providers providing treatment for, any medical condition, illness, or injury involving intoxication as a result of alcohol or other substance.