To Determine the Mediating Role of Organizational Structure with Transformational Leadership and Organizational Life Cycle in Medical Staff of Imam Khomeini Hospital in Estahban

Introduction: Health care providers and hospitals, like any organization, are undergoing widespread developments and needing new solutions and methods of coping with their life expectancy and survival. The purpose of this study was to determine the mediating role of organizational structure with transformational leadership and organizational life cycle in medical staff of Imam Khomeini Hospital in Estahban. Methods: The research method is descriptive-correlation. The statistical population of the study consisted of 357 hospital staffs, 185 of whom were selected by simple random sampling. Data were collected using "Organizational Structure Questionnaire", "Multifactor Leadership Questionnaire", and "Organizational Life Cycle Questionnaire". The content validity of the questionnaires and the reliability were assessed by Cronbach's alpha method. Data were analyzed using SPSS.22 and LISREL version 8.7 Results: Transformational leadership dimensions include charisma (0.15), inspirational motivation (0.18), subjective motivation (0.10), and personality traits (0.13) have an indirect relationship with organizational structure through mediating the dimensions of organizational structure. Conclusions: The indirect relationship between the dimensions of transformational leadership and the life cycle of the organization is statistically significant. Therefore, it is suggested to hospital managers, by implementing transformational leadership style, and by motivating staff, to re-create the life cycle of the organization.