Providing on-line, non-downloadable, Internet-based software application for medical billing for physicians and health care institutions; Providing temporary use of on-line non-downloadable software for revenue cycle management, processing insurance claims and billing in the field of healthcare, and analyzing insurance claims, payments and denials; Providing a website featuring non-downloadable software for use in revenue cycle management, processing insurance claims and billing in the field of healthcare, and analyzing insurance claims, payments and denials; Platform as a service (PAAS) featuring computer software platforms for revenue cycle management, processing insurance claims and billing in the field of healthcare, and analyzing insurance claims, payments and denials; Providing on-line non-downloadable software for evenue cycle management, processing insurance claims and billing in the field of healthcare, and analyzing insurance claims, payments and denials; Providing temporary use of a web-based software application for evenue cycle management, processing insurance claims and billing in the field of healthcare, and analyzing insurance claims, payments and denials; Software as a service (SAAS) services featuring software for in revenue cycle management, processing insurance claims and billing in the field of healthcare, and analyzing insurance claims, payments and denials; Software as a service (SAAS) services, namely, hosting software for use by others for use in revenue cycle management, processing insurance claims and billing in the field of healthcare, and analyzing insurance claims, payments and denials