NewsKnox County Hospital District wants Texas Department of Insurance to Investigate a Claim Aetna U.S. Healthcare has not paid $12 Million in Billings “The Knox County Hospital District wants state leaders to demand that the Texas Department of Insurance (TDI) investigate a claim Aetna U.S. Healthcare has not paid $12 million in billings owed to the Knox County Hospital. Knox County Hospital, about 90 miles south west of Wichita Falls, filed its complaint with TDI in March…” Wichita Falls Times Record News Published by knoxcountyhealthcare View all posts by knoxcountyhealthcare