Think hanging on to insurance overpayments is no big deal? Think again. According to a press release by the U.S. Attorney for the Eastern District of Tennessee, one cardiology practice that neglected to refund overpayments to federal and private insurers and patients has learned a valuable … and expensive lesson: if you have money you’re not entitled to, give it back! East Tennessee Heart Consultants has reportedly entered into a settlement with the US Attorney for $2.9 Million in connection with the alleged failure to refund overpayments. For tips on investigating and refunding overpayments, click here.