Michigan AG Takes on Blue Cross Blue Shield Alleging Monopolistic Practices
In a significant legal move, Michigan Attorney General Dana Nessel has initiated a lawsuit against Blue Cross Blue Shield of Michigan (BCBSM), claiming the insurer has established an illegal monopoly. Filed in federal court, the lawsuit accuses the company of collaborating with other Blue Cross Blue Shield entities nationwide to stifle competition.
The legal complaint highlights how BCBSM purportedly leveraged license agreements and territorial rights to fortify its market dominance, actions which Nessel asserts breach both state and federal antitrust regulations. At a press gathering in Lansing, Nessel emphasized the importance of competition for enhancing care quality and reducing costs, underscoring that antitrust laws are designed to dismantle damaging monopolies.
Although the lawsuit implicates several Blue Cross-related companies as coconspirators, BCBSM is the sole defendant. Representing both the state and its citizens, the attorney general aims to challenge BCBSM’s market control.
According to Assistant Attorney General Jonathan Comish, BCBSM’s substantial market power leaves the state with limited contracting options, resulting in what he describes as “supracompetitive” fees. Comish noted, “They’re able to charge us, what we would call in the antitrust world, as supracompetitive fee. That is an unlawfully large amount of money per employee, per head, and with the size of the state workforce, that adds up to a real drain on the state’s resources.”
An American Medical Association study from 2025 estimated BCBSM’s control at about 65% of Michigan’s healthcare insurance market, marking it as one of the most concentrated in the United States.
BCBSM responded to the lawsuit by acknowledging they had not been served and thus refrained from commenting on the case’s specific details. In a statement, the company expressed surprise at the legal action, stating, “We fundamentally disagree with the Attorney General’s characterization of an uncompetitive insurance market in Michigan. Competition exists everywhere in our state’s insurance markets, with strong local and national insurers competing with us every day.”
The lawsuit also accuses BCBSM of exploiting its negotiating power to impose unsustainably low reimbursement rates on care providers, leading to disputes like the recent one with Michigan Medicine. This confrontation was eventually resolved, yet it raised concerns for patients like Andrew Bashi, who felt his child’s critical care was jeopardized.
As the case proceeds in the District Court for the Eastern District of Michigan, it may take considerable time to resolve. With Nessel’s term ending in December, the decision to continue pursuing the case will fall to her successor.
Comments from political representatives suggest varying approaches. While Doug Lloyd, the Republican Attorney General nominee, expressed a commitment to consumer protection, Democratic nominee Eli Savit’s camp highlighted an intention to focus on facts and legal merits in decision-making.
The attorney general’s filing seeks a jury trial, financial compensation, and an end to BCBSM’s alleged market monopoly.
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