If your bite is good, the type of surgery that goes with that is the linear advancement. I think if it's not that, ortho would probably be needed. He has the ortho make the evaluations as to who can have with or without ortho (first or after). That's how the surgery first doctors approach. It's the orthodontist who decides.
What if you don't have an orthodontist who works with Alfaro near you? Do you have to travel there to consult with him? Or can your plans be submitted to him from an ortho here and his ortho will evaulate it?