Julie i would look for.a concussion rehab center that will do all your tests including vng, balance, and inquire for a neck injury. Also a chiro neuro can do this too. They can charge you 1000 dollars for a few months of treatment. This can include balance testing, vng, and massage. I couldnt take care of my recovery it feels good to be seen by specialists and feels proactive towards your recovery. If you live in mass area their is an amazing chiro neuro in acton mass. Read this blog mypostconcussionstory.com. She got a lot of help from a chiro neuro, especially if you have vestibular dysfunction.