If your doctor has not told you what to expect after LEEP, please get another doctor. If you tell the new office it's urgent, from personal experience, they will make room for you. Your doctor is required to tell you what the risks are before you sign the paperwork. If you still feel you need to go through with the LEEP with her, please get somebody else for follow up. A doctor who does not follow regulations should not be trusted. I hope she discussed the risks and benefits of all your treatment options - cryosurgery, laser, LEEP, and cold knife cone biopsy - before her recommendation. This is also a requirement.
I also don't like her nonchalent attitude. If this were her body, I don't think she would be so cavelier. This is your body! It is too precious to not be cared for and treated with respect. You deserve to have a compassionate doctor who acknowledges you are frightened but assures you she will make it as easy for you as possible. Please consider bringing a loved one with you to at least hold your hand and to talk to you. It makes all the difference in the world to not feel so alone while you are going through with surgery. It pains me to think of you without the extra comfort. I brought somebody with me to wait while I had the surgery in outpatient. Having that person to look after me meant so much.
Insofar as LEEP is concerned, you may feel cramping, afterward. So, take motrin. Or if you have a low pain tolerance, get a prescription for something stronger. It's important for your doctor to respect your pain tolerance. You will also have discharge for about two or three weeks. So as dreadful as pads are, you'll need them, as you can't use tampons for a month. About a week after the surgery, you'll see what looks like black coffee grounds on the pad. That's just your body shedding the Monsel's paste. (It's nasty stuff, but it works.)
If you are finding yourself in terrible pain or you start bleeding heavily, please go to ER because this is a sign of complications. If you have yellow discharge or it smells badly "down there", this is a sign of infection, which is a common complication from LEEP. Your doctor can give you an antbiotic to clear it up, so the sooner you call the doctor, the better.
In the meantime, please get a copy of your lab report so that you can see exactly what you have. Check to see if you have anything in the endocervical canal or the endocervical glands. Knowledge is power! It also takes away some of the fear by getting you actively involved with your healthcare because whatever decision you make, going forward, will be informed. Please let us know what happens.