Providing this information will allow Dr. Gee to know about the status of your diabetes. Often times this is information that you have stored at home and by submitting it now you do not need to bring to your visit.
All of these questions are important. If you are not familiar with the HbA1c values. It stands for a glycosylated hemaglobin level, often reported in your blood results as a percentage (ie. 6.5%).