University of Chicago
I also have GERD. I was told that the RNY would cure it, and that might be true, because the pouch that you're left with produces little if any HCl (hydrochloric acid) which breaks down the food we eat.
I chose the DS because my size was a bigger issue (no pun intended) for me than GERD, and I have no problem taking a PPI for life, just like I have no problem taking supplements for life, or Rx drugs for my autoimmune issues.
The doctors usually promote the surgery that they perform, so if Dr. Prachand is not a DS surgeon (there are only 75 of them worldwide, to date) then he's going to give you the surgery that he does.
Losing down to a weight where I could live a more normal life, and not experience regain was more important to me.
You have to make the decision what's more important to you.