Buy VideoDoc vouchers for deals on Online Doctor's Appointment. VideoDoc offers expert medical advice by means of a live video chat with a doctor, available on demand across multiple devices. Customers can subscribe to the service via a mobile app or online registration form and discuss multiple problems with a medical practitioner. Stemming from a collaboration with trusted GPs, hospitals and employers, the service is not limited to diagnosis and may include a prescription, sick note or referral letter when appropriate.