Native American Alcohol and Substance Abuse Program Consolidation Act of 1999

Native American Alcohol and Substance Abuse Program Consolidation Act of 2000 - Directs the Secretary of Health and Human Services (Secretary), in cooperation with the Secretaries of Labor, Interior, Education, Housing and Urban Development, and Transportation, and the Attorney General, as appropriate, upon receiving an acceptable plan from an Indian tribe, to authorize such tribe to coordinate its federally funded alcohol and substance abuse and mental health programs by integrating the program services involved into a single, comprehensive program and reducing administrative costs through the consolidation of administrative functions. Sets forth eligible program criteria, plan requirements, and provisions governing plan review, waivers of statutory requirements for plan implementation, and plan approval. Requires such officials to enter into an interdepartmental memorandum of agreement providing for the implementation of authorized plans. Establishes the Indian Health Service as the lead agency with specified responsibilities, including the development of a single reporting format for plans and projects and development of a single system of Federal oversight for the plan. Prohibits any reduction of Federal funds available to a participating tribe as a result of this Act. Provides for interagency fund transfers to carry out this Act. Makes any State with an alcohol and substance abuse or mental health program targeted to Indian tribes eligible to receive, at no cost, such Federal personnel assignments as the Secretary may deem appropriate to help ensure the success of such program.