Software as a service (SaaS) featuring computer software for patient bill generation and charge and expense tracking, for entry, storage, management, and transmission of patient data, medical data, healthcare practice data, and electronic health records (EHRs), for electronic collaboration between healthcare practitioners, for analysis and reporting of healthcare practice data, for ordering of medications, for ordering and scheduling of medical consultations, records, tests, and procedures, and for electronic communications between healthcare practitioners and patients; Cloud computing featuring software for patient bill generation and charge and expense tracking, for entry, storage, management, and transmission of patient data, medical data, healthcare practice data, and electronic health records (EHRs), for electronic collaboration between healthcare practitioners, for analysis and reporting of healthcare practice data, for ordering of medications, for ordering and scheduling of medical consultations, records, tests, and procedures, and for electronic communications between healthcare practitioners and patients; Providing a website featuring non-downloadable software for patient bill generation and charge and expense tracking, for entry, storage, management, and transmission of patient data, medical data, healthcare practice data, and electronic health records (EHRs), for electronic collaboration between healthcare practitioners, for analysis and reporting of healthcare practice data, for ordering of medications, for ordering and scheduling of medical consultations, records, tests, and procedures, and for electronic communications between healthcare practitioners and patients; Providing on-line non-downloadable software for patient bill generation and charge and expense tracking, for entry, storage, management, and transmission of patient data, medical data, healthcare practice data, and electronic health records (EHRs), for electronic collaboration between healthcare practitioners, for analysis and reporting of healthcare practice data, for ordering of medications, for ordering and scheduling of medical consultations, records, tests, and procedures, and for electronic communications between healthcare practitioners and patients