Dr. Karen Ngo is a very competent chiropractor. She thoroughly explains the reasons behind each adjustment and gives me exercises I can do at work and at home. The whole thing became a learning process for me, as I became more aware of my posture, more careful about the weight I put on my shoulders (I used to carry a heavy shoulder bag). Now, I am more active at preventing my back and shoulder aches from coming back.
Bonus: StepUp provides Direct Billing. Check their homepage for a list of insurance providers they do direct billing for.