Title IV, SEC. 4033. ELIMINATION OF COMPLEXITIES CAUSED BY DUAL FUNDING SOURCES AND RULES FOR PAYMENT OF CLAIMS. (a) In General. The Secretary of Health and Human Services shall take such steps as may be necessary to consolidate the administration (including processing systems) of parts A and B of the medicare program (under title XVIII of the Social Security Act). (b) Combination of Intermediary and Carrier Functions. In taking such steps, the Secretary shall contract with a single entity that combines the fiscal intermediary and carrier functions in each area except where the Secretary finds that special regional or national contracts are appropriate. (c) Superseding Conflicting Requirements. The provisions of sections 1816 and 1842 of the Social Security Act (including provider nominating provisions in such section 1816) are superseded to the extent required to carry out this section.