
The Big Bang: The Part D Instability Factor
Market forces and politicians are undermining Part D For the past few years, seniors may have noticed that their Part D retail drug benefits have gotten skimpier even as cost-sharing has been capped for some. Overall, most recipients are seeing more costs not less. This relates in part to a move by the former Biden administration supposedly to lighten the load. When politically motivated administration officials and lawmakers get involved, the public and taxpayers usually get the shaft. The Medicare Part D program has always been something of a paradox: a privately administered benefit built on deliberately thin margins, sustained not by profitability alone but by a carefully engineered system of federal subsidies and risk-sharing. Created under the Medicare Prescription Drug, Improvement, and Modernization Act (MMA) in 2003, Part D was designed to attract plan participation while protecting both beneficiaries and insurers from extreme financial volatility. For much of its









