(Press-News.org) New INFORMS Journal Manufacturing & Service Operations Management Study Key Takeaways:
As Medicare Advantage (MA) beneficiaries become sicker, health plans spend disproportionately less on their care relative to the payments received, with evidence suggesting this is partially due to illegal strategic cross-subsidization.
For each one-point increase in a patient’s risk score, their annual “spending-cost difference” (the gap between what MA plans spend on a patient vs. what they receive in payments) decreases by more than $9,000.
Strategic cross-subsidization could exacerbate socioeconomic inequalities in healthcare access and outcomes.
Rigorous oversight and greater transparency are of critical importance in the use of capitation payment models.
BALTIMORE, MD, October 8, 2024 – New findings from a team of renowned researchers calls for transparency and rigorous oversight of the U.S. Medicare Advantage (MA) program, the United States’ largest healthcare capitation program.
The new research, published in the INFORMS journal Manufacturing & Service Operations Management, finds evidence that some MA health plans conduct strategic cross-subsidization, offering extra benefits in some areas to attract healthier, less costly patients, while providing fewer benefits to sicker patients. Through such strategic cross-subsidization, health plans can unfairly increase their profits resulting in reduced care quality for sicker patients and obvious inequity in care.
“Our findings open the black box of Medicare Advantage operations, revealing a previously unknown resource misallocation problem,” says Turgay Ayer of Georgia Institute of Technology, one of the study’s authors.
“Our work underscores the urgent need for enhanced transparency in Medicare Advantage. The practice of strategic cross-subsidization we’ve uncovered could exacerbate socioeconomic inequalities in healthcare access and outcomes, highlighting the critical importance of rigorous oversight in capitation payment models.”
Strategic cross-subsidization is explicitly prohibited by law in the United States because of its heightened effect on the undesired risk selection within capitation programs, in which health plans cherry-pick profitable enrollees through strategic benefit designs.
The study, conducted by Ayer, alongside fellow authors Zhaowei She of Singapore Management University, Bilal Gokpinar of University College London and Danny Hughes of Arizona State University, utilized a large commercial insurance database with claims from more than 2 million MA enrollees.
“For each one-point increase in a patient’s risk score, their annual ‘spending-cost difference’ (the gap between what MA plans spend on a patient vs. what they receive in payments) decreases by over $9,000,” said She.
These findings should alert policymakers to revisit the design and implementation of Medicare Advantage Plans to end this unfair process and enable the Centers for Medicare & Medicaid Services to more effectively administer the MA program.
The paper, “Strategic Cross-Subsidization in Healthcare Capitation Programs: Evidence from Medicare Advantage,” provides recommendations for policymakers. This starts with stricter oversight of MA plans, justifying recent federal initiatives for increased transparency and ensures taxpayer dollars are used appropriately and efficiently. Secondly, it is essential to enforce regulations against cross-subsidization to prevent risk selection.
“This work not only showcases the problem, but also provides large-scale empirical evidence that this issue is widespread, potentially affecting millions of beneficiaries across the entire MA system,” said Ayer.
Link to full study.
About INFORMS and Manufacturing & Service Operations Management
INFORMS is the leading international association for data and decision science professionals. Manufacturing & Service Operations Management, one of 17 journals published by INFORMS, is a premier academic journal that covers the production and operations management of goods and services including technology management, productivity and quality management, product development, cross-functional coordination, and practice-based research. More information is available at www.informs.org or @informs.
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