California Code of Civil Procedure Section 335.1 provides:
335.1. Within two years: An action for assault, battery, or injury to, or for the death of, an individual caused by the wrongful act or neglect of another.
Hire an attorney. Do not sign off on a release with unpaid medical. You will get stuck.
I had a case just like this. Once I took over the offer to settle tripled and all the medical liens were paid BEFORE any releases were signed.
Insurers take advantage of unrepresented claimants. Do not do it. HIRE AN ATTORNEY If your medical is that high, your P & S and other damages may be substantial.