How to store user meta information for different user role in database laravel

I have different roles in my laravel application as doctor, patient, admin. Each one of different information as patient have the information about blood group, gender, infection and so on(many other fields), but doctor and admin will not have these. Doctor will have fields which patient and admin can't have. So how I can store such information in the database in better way. (I would like to retrieve the information based on these fields also).

via Chebli Mohamed