The deal, proposed in a class-action suit over a 2015 data breach affecting nearly 80 million people, would be the largest-ever in such a case if approved.
MDwise and Anthem—the only two companies currently available in every Indiana county—announced within hours of each other they were leaving the exchange.
A merger between Indianapolis-based Anthem and fellow health insurance giant Cigna is dead. Anthem killed the $54 billion deal Friday.
Anthem killed the $54-billion deal Friday after a failed bid to keep Delaware-based Cigna at the bargaining table.
The Blue Cross-Blue Shield insurer is asking the court to review last week's rejection by a federal appeals court.
Indiana-based Anthem will not be allowed to buy rival insurance provider Cigna.
A federal judge last week rejected the proposed merger between the health insurance companies.
A federal judge ruled Wednesday that Indianapolis-based insurer Anthem cannot merge with Cigna.
The merger between the two healthcare giants originally had a deadline of January 31.
The Hoosier state is one of 14 where a single insurer holds at least 50 percent of the market.