Any good spine doctors in the area?

Does anyone have any recommendations for a good back doctor? My mom is in debilitating pain from spinal stenosis and is not a candidate for surgery - too many complications. She is on heavy duty pain meds but she still can't walk. She went from active to bedridden in a matter of 2 weeks. I have been unable to find a doctor willing to rid her of the pain which, to me, seems like such an easy thing to do - morphine pumps, epidural injections, verteplasty - many non invasive procedures. I have even looked at medical marijuana though we are not eligible for it in Virginia but I can move to DC. I am at a complete loss. Any help would be appreciated