A car accident victim must file an insurance claim or lawsuit to receive compensation for medical bills from the at-fault party. In addition to establishing the claim with evidence proving the circumstances of the car accident, the victim must provide documentation of their medical bills. Because insurance companies and courts want to see each medical bill, it is up to you or your lawyer to keep careful records of all invoices. In many instances, car accident compensation is a reimbursement process where you, your health insurance, or your car insurance may initially pay the medical bills. Once your claim resolves, if you receive compensation from another party, the portion allotted for medical damages will go to the party that paid for medical expenses. In some situations, a lawyer can help you make arrangements with a medical provider to wait for payment of their services until your case resolves.