I would try Dr. Hornbostel in St. Joseph. He used to be in Sedalia and is a great gastric physician. I don't know his phone number but it's a wierd name, can't be more than one in St. Joseph.
"WLS is about making better choices, a healthier lifestyle and seeing how little you can eat. Portion control is the key to all weight loss surgeries. Bottom line - it isn't how much you can eat - it is how little you can eat."