Same-Insurer Coverage Associated With Fewer Hospitalizations, More Outpatient Visits Among Dual-Eligible Enrollees.

Authors

Hyunjee Kim, Angela Senders, Maanyatha Cheekati, Sara Edelstein, Stephan Lindner, Sheldon M Retchin, Jeah Jung

Published in

Health affairs (Project Hope). Volume 45. Issue 9. Pages 1010-1017.

Abstract

Dual-eligible enrollees who use Medicaid-funded long-term services and supports (LTSS) often face care fragmentation between Medicare and Medicaid benefits. One strategy to improve care coordination is for dual-eligible LTSS users to have both Medicare and Medicaid plans administered by a single insurer. When a single insurer manages both plans, it may have greater financial incentive and operational capacity to coordinate care between programs. Using 2018-21 nationwide Medicare Advantage encounter data and Medicaid claims, we assessed the association between same-insurer coverage and health care use among dual-eligible LTSS users ages sixty-five and older. We found that same-insurer coverage was associated with a lower probability of hospitalization and a higher number of outpatient visits. Our results suggest that same-insurer coverage can reduce acute care use among dual-eligible LTSS users, potentially by improving access to outpatient visits. They support the Centers for Medicare and Medicaid Services' policy direction toward aligning Medicare and Medicaid coverage under the same insurer.

PMID:
42715479
Bibliographic data and abstract were imported from PubMed on 10 Sep 2026.

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