Remember to assign the control and ID and in the controls , Page_Load re-assign that ID
Dim ClinControl As OOClinicianRecord = Page.LoadControl("~/OO/CareTeam/OOClinicianRecord.ascx")
ClinControl.ID = "OOClinRecord"
newItemPanel.Controls.Add(ClinControl)
then in OOClinicianRecord.ascx.vb
Private Sub Page_Load(sender As Object, e As System.EventArgs) Handles Me.Load
Me.ID = "OOClinRecord"
End Sub