417.533—Part B carrier responsibilities.
In paying for Part B services furnished to its enrollees by suppliers, the HMO or CMP must—
(b)
Make proper coverage decisions and appropriate payment as authorized under § 421.200 of this chapter for the services for which its Medicare enrollees are eligible; and
[50 FR 1346, Jan. 10, 1985, as amended at 58 FR 38082, July 15, 1993; 60 FR 46230, Sept. 6, 1995]