Endoscopic Repair post gastric bypass?

I had gastric bypass surgery last summer and the surgeon made the outlet from the new stomach pouch too large, meaning that it does not function as it was intended.  I really do NOT want another "open" surgery in that area!

Has anyone had any experience with having an endoscopic repair done of a similar problem or do you know of a doctor who does them.

[perkinsdt]

Have you found any Drs. that do this proceedure?  I also need a repair and am looking for a Dr. in S. California that could do this.
Diane