Health Care Access, Affordability and Satisfaction Following Enrollment in Medicare Advantage

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2026
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Abstract
Abstract Introduction Medicare Advantage (MA) enrollment is growing rapidly, yet less is known about how these plans impact health care access, affordability, and satisfaction for adults newly entering Medicare. Methods Event study, difference-in-differences analysis comparing longitudinal changes in patient-reported outcomes among adults newly enrolled in MA (versus traditional Medicare [TM]) in the Health and Retirement Study (2010-2022). Results There were 4,247 adults who newly enrolled in Medicare between 65 and 67 years of age (34.2% MA; 65.8% TM). Following Medicare enrollment, health care access improved similarly in MA and TM, with no differential change between groups. However, MA enrollees experienced a greater reduction in the proportion of individuals reporting trouble affording medical (difference-in-differences [DiD] estimate −5.3pp [95% CI −9.7 to −0.9]). Additionally, the percentage of adults satisfied with their care increased for both groups, however, these gains were larger among MA enrollees and increased over time (DiD +13.3pp [95% CI 7.9 to 18.6]). Conclusion In this national, longitudinal study of adults entering Medicare, we found that enrollment in MA was associated with greater improvements in the affordability of care and higher satisfaction compared with enrollment in TM, without meaningful differences in health care access.
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Authors Andrew S. Oseran, Bassel M. Shanab, Archana Tale, Yunzhe Qian, Rishi K. Wadhera
Journal Health Affairs Scholar
Year 2026
DOI
10.1093/haschl/qxag202
URL
https://doi.org/10.1093/haschl/qxag202
Keywords Keywords not found

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