Money Centene to buy smaller rival WellCare Health Plans in deal worth $17.3 billion March 27, 2019March 27, 2019 Ben Tobin, USA TODAY Comments Off on Centene to buy smaller rival WellCare Health Plans in deal worth $17.3 billion The companies also said they expect to have pro forma 2019 revenues of approximately $97 billion and will have about 22 million members nationwide.