More physicians joining large health systems across CT
![](https://cthealthpolicy.org/wp-content/uploads/2021/01/docs-joining-ACOs-CT.png)
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 | |
Hartford | Trinity Health | 55% |
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 increases costs without improving quality. The authors suggest a number of state policy changes that could mitigate cost increases.