The nation's largest health care insurer, four of its subsidiaries and a number of other large insurers are being served subpoenas -- 16 in all -- in a suit to be brought by New York Attorney General Andrew Cuomo that charges the companies used "rigged data to manipulate the reimbursement rate to their customers who filed claims."
At the center of the scheme, according to the attorney general, is Ingenix, Inc., "the nation's largest provider of health care billing information, which...
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