History and physical examination by medical doctor experienced with evaluation and thoroughly documenting your injuries. You will receive numerous calls from entities wanting you sign agreements to exploit you. Relax, recover, and Breathe- take care of your health and don't sign anything.
Assess damages to your vehicle and all passengers. Inventory all available insurance coverage for all parties in your vehicle. Avoid signing any legal agreements until fully all injuries and property damages are fully assessed.
In general, initial assessment is completed in 4-6 weeks and a Treatment Plan recommendations formulated by your medical doctors and not by attorneys or insurance companies.