Downloadable software for mobile phones, computers and wireless devices for use by healthcare providers for booking medical consultations, conducting video and telephone medical consultations, transmitting electronic correspondence between patients and healthcare providers, managing and issuing referral requests and authorizations, issuing electronic prescriptions, issuing medical certifications, and processing, creating, and managing patient invoices and payments; downloadable software for mobile phones, computers and wireless devices for scheduling, confirming, reminding of, and conducting video and telephone appointments and providing secure electronic correspondence with healthcare providers; downloadable software for mobile phones, computers and wireless devices for medical billing and featuring financial dashboard for processing, tracking, and managing payments and providing financial analytics regarding operational data and statistics, all for healthcare service providers