Which doctor?

After visiting the ER Monday, I went home and made an appointment to see my doctor on Thursday a.m. as I was advised to do by the ER doc. He said I could cancel if I did not think it necessary. Thursday morning, I decide not to go to the doctor, and cancel the appointment. I look up my doctor's phone number in my list at work and call. The office there tells me I don't have an appt. Hmmm ... then I remember. I made the appointment with the doctor I used 5 years ago, not the new one from 2 years ago. Oooops. Quickly looked up the old number, called and cancelled that appointment. I must've been a little more rattled than I thought that day.