Tariffs Are Driving up Premiums for Small Businesses
Some insurers in the ACA’s small group market are citing tariffs, particularly those affecting prescriptions drugs, as a reason for higher-than-expected premium increases.
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Some insurers in the ACA’s small group market are citing tariffs, particularly those affecting prescriptions drugs, as a reason for higher-than-expected premium increases.
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In announcing these changes, CMS states that it is “facilitating the Part D program’s return to operating under regular market conditions.” Increasingly, however, these regular conditions appear unfavorable to the ongoing stability of the stand-alone prescription drug plan market, further tilting the playing field towards Medicare Advantage.
Voluntary efforts by drug companies to lower prices on selected medications, such as this new discounted price for Eliquis and previous price reductions on certain insulin products, could expand access to lower-priced drugs for some patients, but are not likely to improve prescription drug affordability in the U.S. on a widespread basis.
The Medicare Part D program provides an outpatient prescription drug benefit to more than 50 million older adults and people with long-term disabilities in Medicare who enroll in private plans, including stand-alone prescription drug plans (PDPs) to supplement traditional Medicare and Medicare Advantage prescription drug plans (MA-PDs) that include drug coverage and other Medicare-covered benefits. This brief analyzes Medicare Part D enrollment and costs in 2025 and trends over time, based on data from the Centers for Medicare & Medicaid Services (CMS).
This brief focuses on the stand-alone Medicare Part D prescription drug plan marketplace and its somewhat uncertain future, in light of recent trends in plan availability and the potential for another year of premium increases in 2026, in part depending on what the Trump administration decides to do with the temporary Part D premium stabilization demonstration. The brief explains why the stability of the PDP market matters, both for people in traditional Medicare who want prescription drug coverage but also for the viability of traditional Medicare as an option vis a vis Medicare Advantage.
President Trump has vowed to impose tariffs on a wide variety of goods from multiple countries. While consumers may expect the price of some imported goods to go up, what may be surprising is that these tariffs are already driving health insurance premiums up.
Ultimately, assessing the impact of President Trump’s newest iteration of “Most Favored Nation” drug pricing depends on details that have yet to be fleshed out.
To understand the role of Medicare Part D stand-alone prescription drug plans in serving rural Medicare beneficiaries, this data note analyzes 2025 Part D enrollment in PDPs and Medicare Advantage drug plans by geographic area nationally and at the state level.
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