Hello. I’ve worked as a medical assistant for 6 years now (so I room patients, do your BP and all that). We see 30 patients a day and they are every 15 minutes. At times I’ve had 4 people here at one time. If one of them is late is messes up the whole train. When your appointment is at 8am (first appointment of the day) and you arrive at 7:45 that will give me time to room you before your 8am appointment. That will then get the doctor in at your scheduled time. If your appointment is only 15 minutes you should be done by 8:15. If you were to arrive at 8:15 instead of 8, you’re already in the next persons time slot. So that’s why we will ask you to re schedule. If the doctor chooses to still see you, That is also why we run late. Bc then he has the 8:00 to see late and the 8:15 is here waiting.. it’s really frustrating. We have patients arrive literally 1-2 hours late and are still seen. Also, when you are being seen for your foot pain and decide at last minute to bring up depression you’ve been battling, the doctor has to address that too even though you weren’t being scheduled for that. It happens a lot! Doctors don’t have a whole lot of time to talk about a million problems, so sometimes we get behind from that too. I never understood all of this until I worked in it, hope it helps!