customization php script codeingniter

We have a script for one hospital and the script supports a control panel and user interface, but this script is dedicated to one hospital .. We want to customize this script to multidoctor appointment Requirements not found in the script and we want to add : 1 - we want to customize the user interface like this: [login to view URL] but be a little different 2 - Each doctor has a special page that the user can book an appointment from the page and the doctor's page contains the following (name of the doctor - clinic pictures - customer reviews and customers can add reviews - site - lengthy description - price disclosure - clinic address - page views - send consultation To the doctor) ( docor can 3 - the main page in the Script supports the search for doctors by specialization and the province - and the region - and the village and in the name of Dr 4 - The search results page contains filters for the disclosure price and available dates 5 - Each doctor can not display appointments to the other doctor 6 - Registration Form for (Doctor - Patient) Registration data will be as follows: (name, e-mail, phone number, address and password) Data registering the doctor (name, phone number, address of the clinic, photo of the clinic, description of the doctor and the opening times of the clinic) we need another feature will disqus about it If there is a design request that is not on the control panel, it is added to the control panel.