Cigna, the parent of local Medicare Advantage specialist HealthSpring, has completed the acquisition of several plans with members in Arkansas, Oklahoma and Texas from Arcadian Health and Humana, which are joining forces and were told by regulators to shed some operations. One thing has changed since the parties announced their deal last summer: The Fort Smith market straddling the Arkansas/Oklahoma market has also changed hands, adding 17 counties to the 18 in the original agreement. In all, about 4,500 people are being added to HealthSpring's rolls.

SEE ALSO: Cigna's HealthSpring set to acquire Texas, Arkansas operations from June