Ditto on everything everyone else said. Forget that jerk and use your own doc till you can see another specialist. As you were describing him I had visions of the jerko GI doc I used to have. Yes it's "JUST" IBS. I pray all of those cra....y doctors get IBS themselves! He didn't come back because he is too imcompetent to offer any suggestions. I know lots of doctors now sometimes don't order tests because the HMO's will give them a big bonus at the end of the year if they save them $$$$. Our old family doctor who couldn't take the HMO's and the system anymore went into early retirement and told us about these bonuses so I know they are real. Money, that's all those types care about, not people.
I'm ranting arent I. Try your best to cheer up and celebrate your b-day and know aside from your family doc we are all here and Heather is here to help you with our suggestions and foods that might work. Get Heather's books if you haven't already.