Due to the individual nature of mTBI and concussion injuries, I doubt others can provide a reliable assessment of either. I agree with the potential of overlap but I see a greater chance of conflict. Since you have a local chiro neuro, it sounds like that would be the first place to try. But, Carrick helps some and is a waste of big money for others.

I doubt insurance will cover chiro neuro. Going out of network for the Chicago neuro-opto may be difficult for insurance coverage.

Both are expensive diagnostics and treatments. I'd suggest getting the insurance questions answered before moving forward.