 Sanford Health once again looking for a potential merger. The company announcing plans to join Marshfield Clinic on Wednesday. The two hospitals say their merger talks are only just beginning, but they've both been helpful. Marshfield and Sanford have tried to merge with other companies in the past. Marshfield tried to merge with Accenture Health last year, but that fell through. Sanford also tried to merge with several other health care providers over the past five years. They also have been unsuccessful. Terminal 1 in Minneapolis.