; or (II) that are not described in subclause (I), reduced by 15.5 percent. (B) Applicable ambulance services In this paragraph, the term applicable ambulance services means ambulance services consisting of non-emergency basic life support services involving transport of an individual with end-stage renal disease for renal dialysis services (as described in section 1881(b)(14)(B)) furnished other than on an emergency basis by a provider of services or a renal dialysis facility. (C) Designation (i) In general For 2020 and each subsequent year, the Secretary shall designate the providers or suppliers of ambulance services for which the total payments made to the provider or supplier for applicable ambulance services furnished during the applicable period for the year makes up at least 50 percent of the total payments made to the provider or supplier under this part for all ambulance services furnished during such applicable period. (ii) Methodology The Secretary shall, through notice and comment rulemaking, establish the methodology for designating providers and suppliers under clause (i) for a year. Under such methodology, the applicable period for a year shall be a 12-month period determined by the Secretary that begins and ends prior to the beginning of such year. (iii) Timing Not later than November 1 of each year (beginning with 2019), the Secretary shall notify any provider or supplier that will be designated under clause (i) for the subsequent year. (iv) Targeted review The Secretary shall establish a process under which a provider or supplier may seek an informal review of the designation under clause (i) with respect to the provider or supplier. (v) Public reporting Beginning in 2021, the Secretary shall, in an easily understandable format, make available on the Internet website of the Centers for Medicare & Medicaid Services the following: (I) The total number of claims paid under this part for applicable ambulance services. (II) The total number of claims paid under this part for applicable ambulance