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Vertical Integration and Care Experiences Among Medicare Advantage Beneficiaries
Geronimo Bejarano1, Andrew Ryan1, Amal Trivedi1,2
1Department of Health Services, Policy, and Practice, Brown University School of Public Health, Providence, Rhode Island.
Importance:
Medicare Advantage (MA) beneficiaries are increasingly enrolling in integrated MA plans. Legacy-integrated plans share unique features that may differ from newer integrated MA plans. It is unclear whether integrated and legacy-integrated MA plans are associated with a better beneficiary care experience compared with non-legacy-integrated and nonintegrated MA plans.
Objective:
To assess whether enrollment in integrated, legacy-integrated, non-legacy-integrated, and nonintegrated MA plans is associated with better beneficiary care experiences.
Design, Setting, And Participants:
This cross-sectional study included MA beneficiaries who responded to Consumer Assessment of Healthcare Providers and Systems (CAHPS) surveys conducted annually between 2015 and 2019. Data analysis was performed between October 1, 2023, and July 31, 2024.
Exposure:
Medicare Advantage plan integration status, categorized as integrated, legacy-integrated, non-legacy-integrated, and nonintegrated.
Main Outcomes And Measures:
The CAHPS surveys assessed 9 care experience measures. To assess differences in care experience measures, mixed linear regression analyses were performed, adjusting for demographic characteristics, plan random effects, and state fixed effects.
Results:
The sample consisted of 857 695 respondents. Their mean (SD) age was 72.6 (10.3) years, and 58.1% were women. A total of 12.7% of respondents were Black, 10.7% were Hispanic, and 71.0% were White. Compared with respondents in nonintegrated MA plans, respondents in integrated MA plans were younger (mean [SD] age, 72.7 [10.3] vs 72.2 [10.3] years, respectively) and were less likely to be Black (13.1% vs 11.2%, respectively), female (58.4% vs 57.2%, respectively), and partially dual eligible (8.7% vs 6.2%, respectively). Integrated MA plans were associated with meaningfully better mean ratings only of customer service (1.6 points [95% CI, 1.1-2.1]) and health plan (1.0 points [95% CI, 0.6-1.5]) compared with nonintegrated MA plans. Legacy-integrated MA plans were associated with meaningfully better mean ratings of drug plan (3.7 points [95% CI, 2.4-5.0]), health plan (3.1 points [95% CI, 1.7-4.5]), customer service (2.8 points [95% CI, 1.3-4.4]), getting appointments and care quickly (2.6 points [95% CI, 1.2-4.0]), health care quality (1.9 points [95% CI, 1.0-2.7]), physicians who communicate well (1.1 points [95% CI, 0.4-1.8]), and care coordination (1.1 points [95% CI, 0.4-1.9]) compared with nonintegrated MA plans.
Conclusions And Relevance:
In this study, integrated MA plans were not associated with better beneficiary care experiences compared with nonintegrated MA plans. Legacy-integrated MA plans were associated with higher ratings on all care experience measures compared with both non-legacy-integrated and nonintegrated MA plans. Monitoring of integrated MA plans is needed to assess whether they are adding meaningful value to MA beneficiaries and to determine their effects on the health care system.
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