Major insurance co. to end contract with Houston’s largest health care system

Connecticut-based Cigna Corp. (NYSE: CI) plans to end its commercial contract with Memorial Hermann Health System, the largest health care system in Houston.

The contract is slated to end March 16, 2020, but the action does not affect Cigna’s Medicare Advantage plans, according to a Dec. 16 press release from Cigna.

Cigna claims that “Memorial Hermann unilaterally raised the list price of its services” earlier this year and then “refused to engage in meaningful negotiations with Cigna that would…