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Medicare Part B spending has become a runaway train. At $500 billion in 2023 and projected to hit $1.17 trillion by 2034, it now represents nearly half of all Medicare spending. Yet despite this massive expenditure, we're not seeing corresponding improvements in health outcomes or patient access. The culprit? As the vast majority of healthcare wonks will tell you, fundamentally flawed fee-for-service payment system that rewards volume over value.
Which is why we welcome this recent policy brief by the Bipartisan Policy Center (PDF), whose work we always find of very high quality and pertinent to current policy debates. Nearly a decade after MACRA promised to transform Medicare payments from volume-based to value-based care, fee-for-service remains king. Conservatives who believe in efficient, effective government programs that serve their beneficiaries well should be alarmed.
The story is well-known at this point. Fee-for-service creates perverse incentives. Providers get paid for doing more procedures, not for keeping patients healthy. With 78% of physicians now employed by hospitals or corporate entities, this volume incentive gets amplified through institutional pressure to maximize billing. The result? Unnecessary tests, procedures, and visits that drive up costs without improving outcomes.
This system particularly fails the most vulnerable beneficiaries, that is to say, those with chronic conditions who need coordinated care, not just more services. It's telling that despite Part B spending increasing 80% since 2011, we still face critical shortages in primary care, behavioral health, and rural medicine. The payment system actively works against the kind of comprehensive, preventive care that keeps people healthy and out of expensive emergency rooms.
Congress passed MACRA in 2015 with overwhelming bipartisan support, promising to finally fix the broken Sustainable Growth Rate formula and shift Medicare toward value-based payments. The law created two pathways: MIPS (Merit-based Incentive Payment System) for those staying in fee-for-service with quality adjustments, and Advanced APMs (Alternative Payment Models) for those willing to take on financial risk for better care coordination.
The incentive structure seemed straightforward—make fee-for-service less attractive while rewarding those who moved to accountable care models. But the execution has been disastrous. Of 1.3 million clinicians billing Medicare, only about 386,000 participated in Advanced APMs in 2022, while 624,000 remained in MIPS. Why? Several critical design flaws:
First, the Advanced APM bonus payments are expiring. The original 5% bonus dropped to 3.5%, then 1.88%, and will disappear entirely after 2026 under current law. Meanwhile, MIPS has become a compliance exercise where almost everyone gets a small bonus because CMS sets the performance bar too low. The administrative burden is crushing for both programs, but MIPS lets providers stay in their comfort zone of fee-for-service billing.
Second, the budget neutrality requirement creates an annual crisis. Every time medical inflation or coding changes increase costs, the conversion factor must be cut to maintain neutrality. Famously, this creates the ridiculous annual "doc fix" fiasco that has occurred since 2021, creating uncertainty that makes long-term practice planning impossible (because debt ceilings and continuing resolutions weren't enough).
The Bipartisan Policy Center's proposals offer a pragmatic path that should appeal to conservative reformers. Rather than throwing more money at a broken system, they focus on restructuring incentives to reward efficiency and quality.
Their key recommendations include extending and restructuring the Advanced APM bonus payments, reforming the participation thresholds that currently discourage smaller practices from joining accountable care organizations, and addressing the budget neutrality threshold that triggers automatic cuts. These aren't radical changes—they're common-sense fixes to make the system work as originally intended.
The evidence supporting this approach is compelling. Medicare Shared Savings Program ACOs have demonstrated modest but real savings, with physician-led ACOs performing best. The ACO Investment Model, which provided upfront funding for infrastructure, achieved over 2% net Medicare savings annually while reducing hospital readmissions and emergency visits. When providers have the right incentives and resources, they deliver better care for less money.
Particularly promising is the new ACO Primary Care Flex Model, which enhances coordination between primary care and specialists. This addresses a critical weakness in current models where specialists operate outside the accountability framework, continuing to bill fee-for-service even when primary care providers are trying to manage total costs.
These are good reforms that would show that Republicans aren't monomaniacally obsessed with cutting government, but also want to make the parts of government that are necessary work well, and deliver value for the end user. They are also reforms with bipartisan appeal. Good stuff.
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Chart of the Day
Nearly half of all H-1B visas were granted through staffing firms. Those hires typically received lower salaries and those firms cheated more often in the H-1B process, submitting multiple lottery entries for the same candidate. (Chart by Bloomberg, data from USCIS)