Introduction: The style of leadership and employee interest in their work in hospitals are effective in achieving organizational goals. The aim of this study is to determine the correlation between servant leadership style and job passion with organizational effectiveness in hospitals affiliated to Zahedan University of Medical Sciences.
Methods: This research is a descriptive-correlational study. Using Morgan's table of 250 people, 148 managers of hospitals affiliated to Zahedan University of Medical Sciences were selected by simple random sampling method. To collect data, three questionnaires "Servant Leadership Style", “Schaufeli et al Job Enthusiasm”, “Parsons Organizational Effectiveness Questionnaire”. Validity of questionnaires were confirmed by content validity and reliability by Cronbach's alpha method. Data analysis was performed with SPSS 19..
Results: There is a positive and significant correlation between servant leadership style and job enthusiasm (r = 0.763. P < 0.000). There is a positive and significant correlation between job enthusiasm and organizational effectiveness (r = 0.617. P < 0.000). In addition, there is a positive and significant correlation between servant leadership and organizational effectiveness (r= 0. 700, P < 0.000).
Conclusions: Applying leadership style in hospitals will increase job enthusiasm and facilitate hospitalization. It is suggested that hospital managers, by implementing the style of service leader, promote the enthusiasm and willingness to work in the organization and facilitate and expedite the achievement of the goals of community health.