42 CFR §413.172

1. (a)Payment for renal dialysis services as defined in § 413.171 and home dialysis services as defined in § 413.217 of this chapter are based on payment rates set prospectively by CMS.
2. (b)All approved ESRD facilities must accept the prospective payment rates established by CMS as payment in full for covered renal dialysis services as defined in § 413.171 or home dialysis services. Approved ESRD facility means—
   1. (1)Any independent ESRD facility or hospital-based provider of services (as defined in § 413.174(b) and § 413.174(c) of this part) that has been approved by CMS to participate in Medicare as an ESRD supplier; or
   2. (2)Any approved independent facility with a written agreement with the Secretary. Under the agreement, the independent ESRD facility agrees—
      1. (i)To maintain compliance with the conditions for coverage set forth in part 494 of this chapter and to report promptly to CMS any failure to do so; and
      2. (ii)Not to charge the beneficiary or any other person for items and services for which the beneficiary is entitled to have payment made under the provisions of this part.
3. (c)CMS publishes the methodology used to establish payment rates and the changes specified in § 413.196(b) in the Federal Register.