Model binding to the partial view

Model.cs

public class ExamResultsFormViewModel
{
    public PreliminaryInformationViewModel PreliminaryInformation { get; set; }

    public string MemberID { get; set; }

    public string MemberName { get; set; }

    public int PatientID { get; set; }

    public string ConfirmationID { get; set; }

    public bool IsEditable { get; set; }

    #region Select Lists
    public SelectList ProviderOptions { get; set; }
    #endregion
}

public class PreliminaryInformationViewModel
{
    public string ProviderName { get; set; }

    public string ProviderID { get; set; }

    public string ServiceLocation { get; set; }
}

view.cshtml

            @Html.Partial("_YourPartialName", Model.Contact, new ViewDataDictionary()
               {
                   TemplateInfo = new TemplateInfo()
                       {
                           HtmlFieldPrefix = "Contact"
                       }
               })