We are a software development company, you need to develop an application in Python, whose main function will be the subject of medical appointments users are 3 types of users patients, the medical center has a medical history of the patient. [login to view URL] visit to get an idea of what you want to achieve, the development of the application must be documented for future system upgrades.
Documentation of software requirements is granted after the candidate selected requirements sought.
I have experience in Python and Django and have built several applications with them. Your needs do not seem you complicated and I think I could make you a decent application that will serve all your needs. I am also available on Skype, should you want to contact me.