Introduction: Information systems in health care providing systems with collections, analyzing, and dissemination of data provide areas for usage of the information in term of improving the society's health. This study has been designed to evaluate health information system from the administrators and providers of the health system points of views.

Methods: This is a descriptive, cross - sectional study carried out in1383 (2003). At first administrators and experts' points of views in teaching health centers, public hospitals, district health centers, chancellor headquarters, and medical faculty collected by questionnaires and then data have been analyzed by SPSS 12. Results: Health administrators and experts suggested that two main areas: decision making and planning are proper usages of information. Health administrator's 41% and expert's 43% answered correctly to the descriptive statistic questions, 53% of health administrators and 39% of experts have used the information in past two weeks. About 70.8% health administrators and 40.8% of experts have collected simultaneously their needed data. 

Conclusions: Given to the organizational information system place, and its critical roles in making right policies, creating a coordinative and integrated information system, and expert empowering to use data correcting, is considered a necessary priority.