The main objective of this research study is the development of conceptual framework for the exchanging of patient records located in different hospitals all over the Kingdom of Saudi Arabia. The proposed framework is aimed to improve the way of retrieving the patient medical records from different health information system. The proposed architecture, designed to highlight the method by which data should be searched and retrieved efficiently from the different health information systems. Our

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... tem design is based on Cloud Computing Service Oriented Architecture. These medical systems storing the medical information records including: demographics medical history, medication and allergies, immunization status, laboratory test results, radiology images, vital signs, personal stats like age and weight. All of these medical records are identified by National ID number. These systems will be utilized by the web services XML based approach. The patients will use their ID number to send request for their medical informatics and the web service will analyze the patient records and send the result back to the patient. The main contribution of this study is to provide a data exchange model of patient records, this model used to decrease the cost and time of patients, and help patients to get its medical records information from any location by using the Web.