Computer software which facilitates communication and sharing of information among healthcare practitioners, healthcare facilities, patients and other authorized personnel which covers all aspects of clinical management, practice management, patient management and patient information management namely scheduling, billing, payment reconciliation, medical record documentation, personal healthcare records documentation, chronic care records, continuing care health records, patient profiles, chronic disease management, computer-aided diagnosis and treatment, patient/provider communication, prescription central pool services, laboratory tracking registry, diagnostic image tracking, statistical analysis, optimization of resource utilization, electronic prescription tracking, email, forecasting, trend detection, drug inventory control and re-ordering, clinical guidelines, evidence based medicine, evidence-based imaging, standardization of best practices, laboratory information system, electronic prescriptions, drug dosage alerts, adverse reaction alerts, drug usage monitoring, data management, sending, receiving, storing, retrieving, organizing, managing, and sharing medical information, on-line appointments, recalls and follow-up of patients, patient notification, sketching, voice recognition, handwriting recognition, ordering of laboratory tests and diagnostic imaging, reconciliation of incoming laboratory results and diagnostic imaging, health maintenance reminders, immunization records, clinical decision support, document management, evidence based medicine and patient and provider portals