Health Affairs March 27, 2023
Over the past seven years, Medicare Advantage’s (MA’s) enrollment has almost doubled, adding 10 percent to its market share , now at 49 percent. Rebates, the additional dollars paid by CMS to MA plans that bid beneath their “benchmark,” have doubled in that time from $80 per beneficiary per month (PBPM) to $164. (Benchmarks are intended to represent the average per-beneficiary spending in traditional Medicare (TM) in a given service area.)
The Medicare Advantage industry’s explanation of its success is grounded in claims about MA’s ability to deliver Medicare Part A and B benefits for much less than TM. These savings are, in theory, the basis for the rebates, the incremental revenue CMS pays to plans that fund the improved...