Repeated data

window.App = Em.Application.create({
    LOG_TRANSITIONS: true
});

App.Router.map(function () {
    this.route("index", { path: "/" });
    this.route('search');
    this.route('calendar');
    this.resource("users", function () {
        this.resource("user", { path: "/:user_Id" });
    });
});

App.ApplicationAdapter = DS.RESTAdapter.reopen({
    namespace: 'members'
});

App.UsersRoute = Ember.Route.extend({
    model: function () {
        return this.store.find('user');
    }
});

App.UserRoute = Ember.Route.extend({
    model: function(params) {
        return this.store.find('user', params.user_Id);
    }
});

App.IndexRoute = Ember.Route.extend({
    model: function () {
        return this.store.find('user');
    }
});

var attr = DS.attr;

App.UserSerializer = DS.JSONSerializer.extend({
    primaryKey: 'Id'
});

App.User = DS.Model.extend({
    FirstName: attr(''),
    MiddleName: attr(''),
    LastName: attr(''),
    FullName: function() {
        return this.get('FirstName') + ' ' + this.get('LastName');
    }.property('FirstName', 'LastName'),
    Email: attr(''),
    HomeAddress: attr(''),
    WorkAddress: attr(''),
    City: attr(''),
    State: attr(''),
    Country: attr(''),
    Zipcode: attr(''),
    HomePhone: attr(''),
    CellPhone: attr(''),
    WorkPhone: attr(''),
    InGroup: attr('boolean'),
    DepartureTime: attr(''),
    ArrivalTime: attr(''),
    UserDob: attr(''),
    UserTypeCode: attr(''),
    DepartureCoord: attr(''),
    DestinationCoord: attr('')
});

JSON from C# API

{
"FirstName": "Josue",
"MiddleName": null,
"LastName": "Cuetara",
"UserDob": null,
"Email": "j@h.com",
"CellPhone": null,
"Id": 20,
"HomeAddress": null,
"City": "Barranquitas",
"State": "Puerto Rico",
"Zipcode": "00729",
"UserTypeCode": 1,
"UserType": "Conductor",
"HomePhone": null,
"WorkPhone": null,
"Country": "United States",
"DepartureCoord": "18.325655, -66.106205",
"DestinationCoord": "18.325655, -66.106205"
}