Health development plan is implemented with three approaches, namely the financial protection of people, equity in access to health services and improvement of health quality; dissatisfaction with health care services leads to undesirable consequences. The present study intended to investigate the effect of implementation of health development plan on patient satisfaction in the public hospitals of Tabriz, Iran during Feb. 2015 – Jul. 2015. The statistical population included the patients of the public hospitals of Tabriz and the research sample was selected using stratified sampling method. Data collection tool consisted of a questionnaire given to the statistical sample once its validity and reliability were ensured. Descriptive and inferential statistics were used for the analysis of data obtained from the questionnaires. That is, descriptive statistics was used for data classification, summarization, and interpretation; once data normality was determined based on Kolmogorov-Smirnov test, inferential statistics were used for research hypotheses testing and impact determination based on multiple linear regression. According to the results, all research hypotheses were confirmed and it was indicated that health development plan had a significant effect on patient satisfaction. Furthermore, the results of multiple regression showed that patient satisfaction was greatly influenced by health development plan.