Tens of thousands of Anthem customers could face higher healthcare bills or disruptions in service if they seek care from Indiana-based St. Francis Hospital & Health Centers after Nov. 2. That's when the hospital system plans to sever ties with the Anthem in a dispute over reimbursement rates. St. Francis' contract with Anthem does not expire until September, but the Catholic hospital system said it is prepared to sever ties with the insurer almost a year early.