ABSTRACT
Family physician program is a health care provision program. Assessment of the beneficieries' willingness to participate in family physician program, using appropriate models could help its better implementation. This study was conducted to assess the private sector general Physicians' willingness to participate in family physician program using Diffusion of Innovation Model. This descriptive analytical study was carried out on 89 general physicians who possessed Clinic and worked for private sector. The samples were selected through simple random method, and the data were collected by questionnaire. The data were analyzed using t-test and Pearson's correlation coefficient. In this study, the overall level of willingness to participate in family physician program was reported to be 53.3 [Willingness score was calculated out of 100], which this level was reported 48 for relative advantages construct, 54.4 for compatibility, 27.9 for complexity, 28.7 for trainability, and 60 for visibility. According to the results of this research, it seems that general physicians family physicians as the main body of family physician program, has a moderate willingness to participate in this program. Therefore, planning for disambiguation and more adaptation of the program to the needs and demands of general physicians is necessary to ensure its successful implementation