Improving the quality of hospitals is a vision that must be fulfilled to meet the health needs of the general public. The quality of the hospital will be fulfilled with good quality and available human resources and supporting facilities, a phenomenon which is inevitably the responsibility of many parties, both the government, the health department and also mainly hospital staff, who have the responsibility answers that have a direct impact on the quality of hospital services, current conditions have not shown maximum expectation so that appropriate efforts and strategies are still needed to improve the performance of medical staff in the hope that it will have an impact on improving hospital quality, organizational culture, discipline, motivation. factors that can influence the performance of employees of the ara rara meha waingapu hospital, east sumba, NTT. To study it, this research was carried out by formulating the following problems: (1) whether organizational culture influences the motivation of medical staff (2) whether the discipline influences the motivation of medical staff (3) whether the organizational culture influences the performance of medical staff (4) whether the discipline influences medical staff performance (5) whether the influence of motivation on the performance of medical staff. Keywords: organizational culture, discipline, motivation and performance