Supply chain is a value chain management; which consists of all activities beginning from purchasing of the raw materials until delivering the goods to consumers. It is an indispensable strategic management model since it offers controlling materials, information and money according to customer satisfaction. The concept of sustainable supply chain has emerged with increasing public awareness on exhaustion of the natural resources. According to this phenomenon, companies maintain their existence with ongoing supply chain operations under economic, environmental and social dimensions. In this study, a supplier selection problem in a healthcare company is analyzed with utilizing Decision Making Trial and Evaluation Laboratory (DEMATEL) approach under sustainable supply chain management concept in order to measure suppliers' sustainability performance& By the help of this multi criteria decision-making method, the most efficient performance criterion is selected among the criteria in order to improve sustainable supply chain performance.