Abstract: Online Electronic Medical Record and Clinical decision support system Cloud SaaS model. Method of storing electronic patient medical information for a patient is provided which includes creating a unique patient identifier for the patient, storing the electronic patient medical record data for the patient using the unique patient identifier for the patient and creating a family linkage using unique patient identifiers to connect individual medical records of relatives of the patient. The electronic patient medical information can be shared between, a network, of a plurality of healthcare institutions, individual healthcare service providers and patients. Individual healthcare providers or patients can request for the stored electronic patient medical record data and obtain the electronic patient medical record data along with the family linkage information to at least one of the plurality of healthcare providing institutions, individual healthcare providers or patients.