Tenet Healthcare Corporation announced that it has signed a new, multi-year agreement with Cigna Corporation. The agreement provides Cigna members covered under its commercial health plans with uninterrupted in-network access to Tenet providers, including hospitals, outpatient centers and employed physicians. In addition, all Tenet facilities remain in-network providers for Medicare beneficiaries that are insured by a Cigna-HealthSpring Medicare Advantage plan.