OPD Registration IONIC Application and web portal

Hello Everyone, We want to develop a Hospital OPD application in IONIC to work on both Android and IOS. Features A)Admin 1) add, remove, modify Multiple Hospitals, Small Clinic, and Doctors 2) See patient appointments of any hospital 3) See Collection of Any Hospital or clinic B) Doctor Module 1) Set Limit on no. of OPD Patient, OPD Time, Average Patient Checking Time 2) Postpon Patient in case of any emergency 3) Set patient visit time 4) Mark patient as checked 5) Check patient history 6) See no. of patient in que and no. of patient checked 7) Check todays collection C) Patient Module 1) Signup/login in app 2) Register their profile(in detail with medical history) 3) See multiple registered hospitals, doctors and their specialization. 4) Book the Appointment for OPD and check Estimate Time of Appointment 5) Pay the amount Online (Doctor fee + Service charges) or offline(Only Service Charges) 6) See his history 7) Rate Hospital and Doctors 8)Visit Remainder 9)Search filter -> Doctor specialization, Doctor Name, Hospital Name, Area (Results as per the rating-High Rating at Top)