Contact the police and file a battery and false imprisonment charge. If you receive medical care, there could be a case.

Wrong legal category. You should get your car back or sue them. Problem is you'll have to pay the lawyer up front. Even if you win, not likely to...

Yes it sounds like your fault..Notify the insurance company.

Yes,you should always hire an attorney.

Doesnt matter. If you were injured, you just need their insurance information.

If you have uninsured motorist coverage a claim can still be made. That or you could sue the owner and or driver of the other car but not likely to...

Wrong legal category. You would need to talk with a medical malpractice attorney.

No its not a criminal offense. You can sue him in small claims court.

Wrong legal category. You need to talk with a medical malpractice lawyer.

You probably need liability insurance. Likely liable yes so report it to your insurance carrier ASAP.