Step by Step Patient Appointment Booking System Process. Indimedi HMS is Hospital Management System based on Odoo an Open-source ERP. This video demonstrates Patient Appointment procedure in Indimedi HMS. Indimedi HMS creates an IT platform for efficient and paperless management of Hospital. It features complete patient management, operation theatre, surgery, ward management and reporting. Further, it is integrated with Hospital accounting, HRMS, Inventory and payroll. It also contains modules for Pharmacy, Pathology Laboratory, Radiology. The system also has integration with SMS gateway allowing patients to receive confirmation and reminder SMS.