I see you posted this back in October...  Have you had your appt yet? 
If not, here's how it worked when I went thru it.
I was going thru their program for a while before my insurance changed. I had to get the referral from my Dr to their bariatric team.  After that I got a call from the Marylou Greenwood, the head RN for the program. She got me enrolled in their seminar. 
They will need 6 months of documented weight loss attempts (either through Weigh****chers or Jenny Craig) and a food and excersize journal. I'd get those started now, it'll save the hassle later.
They also wanted me to join their "Freedom From Diets" class.  It is a 5-6 week class and you have to pay for that.  I'd do it asap and get it out of the way also. 
After that, they'll schedule you to see their nutritionist/dietician and physical therapist to go over your food and excersize logs, and from what I've heard, they'll usually go over it tell you what to change and send you on your way to do it again for another 6-8 weeks. You'll meet with them again and if they see that it's acceptable, they will approve you to meet with the surgeon to see if he thinks you are ready for surgery. 
I only made it as far as scheduling the appt with the nutritionist and physical therapist. I never actually got to meet with them.  They book their appts out so far and in my situation they had to keep rescheduling.  They wouldnt have been satisfied as I rarely wrote in my food journal.

I hope that helps you.  Best of luck!