This study examines the relationship between knowledge management practices and social sustainability in the context of private hospitals in Kafr El-Sheikh Governorate and the city of Tanta. The research also examines the moderating role of Chat-GPT in the relationship between knowledge management and social sustainability. This research elicited responses using a questionnaire from a sample of (265) private hospitals. The data was analyzed using Structural Equation Modeling (SEM). The results show that knowledge acquisition, sharing, utilization have significant and positive effect on social sustainability. The findings also show that Chat-GPT moderates the relationship between knowledge acquisition, sharing, utilization and social sustainability. it also provide valuable insights to the private hospitals and how they can ensure the social sustainability through KMD and Chat-GPT. Furthermore , this study theoretically contributes to be current literature by exploring the role of KMD practices in social sustainability. Practically, this article offers insights for management regarding the promoting of KMD practices and social sustainability within  hospitals , through the development of  Chat-GPT culture.