Spillover Effects of Medicare Advantage on Traditional Medicare Beneficiaries With Prostate Cancer.

ABSTRACT:

Introduction

Medicare Advantage (MA) managed care plans, now chosen by 51% of Medicare beneficiaries, are incentivized to constrain healthcare spending and utilization, a shift in financial incentives compared to Traditional Medicare's fee-for-service payment model. Beyond its primary beneficiaries, MA's mechanisms to constrain utilization may impact Traditional Medicare beneficiaries with prostate cancer through "spillover" effects on physician behavior.

Methods

From a 20% sample of Medicare claims, we identified patients diagnosed with prostate cancer from 2016 to 2019. We calculated MA penetration [MA beneficiaries/(Traditional Medicare and MA beneficiaries)] at the practice-level. We assessed the relationship between practice-level MA penetration and two measures of qual

SUBMITTER: Srivastava A 

PROVIDER: S-EPMC11924284 | biostudies-literature | 2025 Mar

REPOSITORIES: biostudies-literature