"The doctor then pointed out to me that if all it took to lower cholesterol was to get rid of gallstones...then we would all just have our gallbladders removed.....I then pointed out that Gallstones may actually form in the liver...."
If this was your doctor's response and understanding of Gallstones and liver function he obviously wasn't paying attention in class when organ function was discussed. I'd find a new doctor if I was you. I'm looking for a new one myself here in Seattle. By the way congrats on the great results!