10 Biggest HMOs in USA

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5. CIGNA Corporation (NYSE:CI) – 15 million

CIGNA Corporation (NYSE:CI) offers health, life and accident insurance products primarily in Asia, Europe and the United States. In 1982, the Connecticut General Life Insurance Company and INA Corporation merged to form CIGNA CorporationIts HMO known as the Cigna Medical Group runs in Phoenix, Arizona. CIGNA reported revenues of $38 billion and a total global membership of 15 million people at the end of 2015. Similar to the previously-mentioned Humana and Aetna, in 2015, Anthem Inc (NYSE:ANTM) announced that it would acquire CIGNA and the deal was also blocked on antitrust grounds. However, both Anthem and CIGNA filed lawsuits against each other and Anthem recently won a temporary restraining order preventing CIGNA from officially terminating the deal.

10 Biggest HMOs in USA

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