As Congress debates how to rein in federal spending, some experts say aspects of Medicare Advantage should be on the chopping block, starting with $86 billion a year in taxpayer-funded supplemental benefits that often go unused or unverified. The federal government pays Medicare Advantage plans rebate dollars to cover extra services, including dental, vision, hearing, and over-the-counter drugs. However, a 2024 study published by JAMA Network Open found that only $3.9 billion of that money went toward dental, vision and hearing benefits. Meanwhile, the industry spent an estimated $16 billion on $1,000 “Flex Cards” for new enrollees – prepaid cash...