More physicians joining large health systems across CT

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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
HartfordTrinity Health55%
BridgeportYale New Haven Health System42%
Norwich-New LondonYale New Haven Health System38%
New Haven-MilfordYale New Haven Health System43%
Worcester MA-CTUMass Memorial Health Care52%

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.