This study aims to extend the literature on workplace bullying and its impact on knowledge hiding directly and through the mediation of emotional exhaustion and psychological empowerment as a moderator after collecting data from 600 nursing staff working in public and private hospitals in Pakistan. The results revealed the negative impact of workplace bullying (WB) on knowledge sharing directly and partially with the mediation of emotional exhaustion (EE). However, the impact is reduced through the moderating effect of psychological empowerment (PE). The finding of our study has several implications for healthcare institutions or academic leaders and policymakers of organizations.