; and (ii) clinical measures or other group­ings which enable comparison among such children; and (B) information gathered from consultation with medical and academic experts engaged in research about or treatment of such children. (2) Children with complex medical conditions who are enrolled in a State Medicaid plan under title XIX of the Social Security Act (or a waiver of such plan), including— (A) the number of such children; (B) the chronic conditions, serious injuries, life-threatening illnesses, or rare diseases that such children have; (C) the number of such children receiving services under each delivery system or payment model and the type of payment model being used; and (D) the extent to which such children receive care coordination services. (3) The pediatric providers who serve children with complex medical conditions. (4) The extent to which children with complex medical conditions receive or are denied services from out-of-State providers that receive payment under the State Medicaid plan under title XIX of the Social Security Act (or a waiver of such plan) and any barriers to receiving such services in a timely fashion, including any variation in access to such services by delivery system. 4. Report to Congress Not later than 5 years after the date of the enactment of this Act, the Secretary of Health and Human Services shall submit Congress, and make publicly available on the Internet site of the Centers for Medicare & Medicaid Services, a report evaluating and assessing the enhanced pediatric health home program established under section 1947 of the Social Security Act (as added by section 2), for the purposes of determining— (1) how the program might be improved; and (2) whether the program should be expanded to include pediatric populations that are not children with complex medical conditions (as such term is defined for purposes of the program) but who would still benefit from the type of care coordination provided by an enhanced pediatric health home.