Will Medicare Supplements Disappear Due To A Single Payer System? 
No , Medicare has been a single payer system for years . If anything , with possible cuts to some Medicare Advantage Plans , Medicare Supplements will become more popular . There is talk about changing the structure of some of the better plans to allow for more copay 's . Supposedly a person paying for a comprehensive Medicare supplement plan is `` over utilizing '' Medicare . But Medicare Supplements are here to stay . 