Portability and Accountability Act of 1996 and such individually identifiable information shall be exempt from disclosure under section 552(b)(3) of title 5, United States Code. (I) Mandatory participation Subject to subparagraph (C), in the case of services furnished by a provider or supplier included in a supplier or provider type selected under subparagraph (B) in a geographic area selected under subparagraph (A), payment may only be made under this title for such services during the period of the pilot program if the provider or supplier is participating in the pilot program. (4) Definitions In this section: (A) The terms supplier and provider have the meanings given the terms supplier and provider of services in subsections (d) and (u), respectively, of section 1861. (B) The term Medicare beneficiary means an individual who is enrolled in the original Medicare fee-for-service program under parts A and B and is not enrolled in an MA plan under part C, an eligible organization under section 1876, or a PACE program under section 1894. (C) The term Medicare claim means a claim for an item or service for which payment is made under this title. (b) Reports to Congress (1) In general The Secretary shall submit to Congress the following reports: (A) Initial design report Not later than 2 years after the date of the enactment of this section, a report that outlines the plan for implementation of the pilot program. (B) Implementation report After implementation of the pilot program, a report on the initial implementation of the pilot program, including parameters for operation of such program. (C) Interim performance report Not later than 2 years after the date the pilot program is implemented, an interim report on the performance of such program. (D) Final performance report Not later than 18 months after the date of the completion of the pilot program, a final report on the performance of such program. (2) Contents of certain reports The reports under subparagraphs (C) and (D) of paragraph (1) shall include