Software as a service (SAAS) services featuring software for improving clinical documentation for physicians, namely, software for organizing clinical documents, for performing natural language processing, for providing clinical language understanding, for providing clinical ontologies, for facilitating appropriate provider documentation within patient medical records, for managing analysis of severity of illnesses, of clinical conditions, of treatments and of expected risk of mortality, for providing patient medical record analysis, for responding to physician queries, and for identification and authentication of patient record users