Feb 09, 2015 01:48 AM|Michelle Ge - MSFT|LINK
According to your description, you want to implement Inheritance in User Model. So far as I know, you can implement Inheritance with Entity Framework.
There is a document about Implementing Inheritance with the Entity Framework 6 in an ASP.NET MVC 5 Application (11 of 12), please refer to the link below:
Hope it's useful for you.