The value of your case is contingent upon many factors. There is no hard and fast rule that you get a multiplier of your economic damages. The benefit of hiring a good personal injury attorney is that they will maximize your case value by building your damage model. You should seek one out in Ohio to get an idea of what your case is really worth so that you don't leave money on the table.
You should contact a criminal defense attorney as soon as possible to look into this issue. You may have a civil rights claim, so you will also want to contact a plaintiff attorney licensed in California to explore that case.
If there is no harm in producing the records for treatment on her other body parts, she may want to do it. She should consult a local personal injury attorney to get guidance on what she should do and how she should communicate with the insurance company.
Important information is lacking. Were you in a wreck? If so, is your insurance company covering the cost of the property damage? Insurance companies typically make the check out to their insured. You would then need to pay the body shop in order to avoid a mechanic's lien being placed on your car.