Unimed Cachoeira do Sul was founded on November 1, 1974 from the cooperative ideology of Luiz Gonzaga Machado and Eurico Nestor Wilhelm, under the guidance of Dr. João Eduardo Irion, president of Unimed Santa Maria on that day. Today, with 164 cooperating doctors, with 13,150 clients, it includes the cities of Amaral Ferrador, Arroio do Tigre, Caçapava do Sul, Cachoeira do Sul, Cerro Branco, Encruzilhada do Sul, Estrela Velha, Ibarama, Lagoa Bonita do Sul, Novo Cabrais , Paraíso do South, Passa Sete, Santana da Boa Vista, Segredo and Sobradinho.