Abstract Communication and collaboration between nurses and physicians are crucial for improving patient outcomes and quality of health facilities. It associated to each other and had an impact towards organizational success .This study aimed to evaluate the efficacy of communication education and training intervention to improve communication and collaboration knowledge and practice among health care provider (nurses and physicians).This study utilized quasi experimental design. It was conducted at the intensive care unit of Mansoura emergency hospital. It included all staff nurses and physician who were responsible for providing patient care during time of data collection. Physician-nurse communication scale and Physician-nurse collaborative practice scale were used for data collection. The study results revealed that, there was statistically significant difference related to Physician-nurse communication and collaboration after implementing education and training intervention. Implementing communication intervention improves nurse physician collaboration and communication in intensive care unit. Managers should implement communication intervention periodically and for other health care providers in other departments.