Contact Us At Family Diagnostic Clinic We are your comprehensive medical care of choice. Please select the doctor you wish to make an appointment with: Book Appointment Online for Dr. Imran Nathani Please schedule your appointment using the online appointment system. Click here to access the system for Dr. Imran Nathani. Book Appointment Online for Dr. Muhammad Irfan Please schedule your appointment using the online appointment system. Click here to access the system for Dr. Muhammad Irfan.