@rowdyramsey make sure that you are on a wait list for the doctor in case there are cancellations.
The only time I have had a cancellation done without my knowledge was because the doctor was not going to be there. That time they gave me a new appointment without it being at a convenient time for me! I then had to reschedule which was a longer wait.
Maybe your PCP could get them to give your appointment some priority too, I have heard that sometimes that helps.
JK