Cigna is also represented by Carlton Fields. The case, assigned to U.S. District Judge Kari A. Dooley, is 3:23-cv-00243, Srednicki v. Cigna Health and Life Insurance Company.

Health insurer Anthem Inc. pressed ahead with its pursuit of a $54-billion merger with Cigna Corp. despite a spurned bid and increasing concerns about industry consolidation.

Vertical integration, as entailed by the Cigna-Express Scripts merger, may help contain cost growth and improve health outcomes. Such mergers may signal a move away from siloed budgets in ...