i have a very close friend he was suffering from Disk slip S1, S2. His doc was DR. ALI RAZA head of nuerosurgery in OPD Hamad Hospital... one of the best doctors at hamd... But it really depends to ur wife's particular case. However u can olways consult him. My friend had a surgery and he is doing good Allhumdolillah !!
I wish health and luck to ur wife.
Tc.