From 2016 to 2018, the number of Connecticut physicians affiliated with large health systems grew in every area of the state, according to a new analysis in Health Affairs. Nationally the percent of physicians in large health systems rose by 11%, and the rate grew in 92% of US metro areas. Growth was fastest in the Northeast and Midwest.
|largest health system||% physicians in health systems, 2018|
|Bridgeport||Yale New Haven Health System||42%|
|Norwich-New London||Yale New Haven Health System||38%|
|New Haven-Milford||Yale New Haven Health System||43%|
|Worcester MA-CT||UMass Memorial Health Care||52%|
There is growing evidence that market consolidation because more providers are joining large health systems increases costs without improving quality. The authors suggest a number of state policy changes that could mitigate cost increases.