Healthcare Competition and Consolidation Medicare Advantage and Consolidation’s New Frontier — The Danger of UnitedHealthcare for All (New England Journal of Medicine) Hayden Rooke-Ley, Soleil Shah, and Erin C. Fuse Brown This article describes the recent ransomware attack on Change Healthcare and the ownership structure of UnitedHealth Group, including how much market power it has with medical claims, data analytics, insurance, physicians, PBMs, pharmacies and a bank. The authors note ...