Toledo-area residents with Cigna health insurance are caught in the middle of a contract dispute between ProMedica and Cigna. Unless the dispute is resolved before Jan. 1, ProMedica will not accept Cigna insurance at its Toledo-area hospitals nor will Ohio-based physicians in the ProMedica Physicians Group, ProMedica Managed Care Vice President Donald Pirc said in a Dec. 5 letter to Cigna-covered patients.