[8][9][10][11] In March 2016, it finalized its acquisition [12] In September 2017, it announced that it would acquire Fidelis Care, a nonprofit insurer in New York, for US$3.75 billion.

[18] In 2019, Centene, through its subsidiary MH Services, took a 40% stake in Circle Health,[18] as part of a deal which created a national network of over 50 private hospitals.

[19] Centene gained full control of Circle Health in July 2021,[20] and sold the business to PureHealth in August 2023.

[23] The main lines of Centene include: In June 2021, an article in the Ohio Capital Journal reported that CEO Michael Neidorff was the highest paid healthcare executive in the United States in 2020, earning nearly $25 million.

Superior HealthPlan is a joint-venture of Centene and Community Health Centers Network LP, which provides services for Medicaid recipients.

The suit also alleged that Centene concealed that Health Net owed approximately $1B in past tax liabilities to California and was under investigation for Medicare fraud at the time of the acquisition.

It was accused of putting patients at risk by prioritising profit, specifically by hiring physician associates, because they were cheaper than GPs.

[41] In April 2021, Health Net Federal Services, a subsidiary of Centene, agreed to pay $97M to settle allegations that it had duplicated or inflated claims submitted to the Department of Veterans Affairs.

[42] Between June 2021 and January 2022, Centene agreed to settlements with several states on behalf of their subsidiary, Envolve, a pharmacy benefit manager, including Ohio, Mississippi, Illinois, Arkansas, and New Hampshire to resolve allegations of overpayments to the PBM from the states' Medicaid programs.