[header] How to sue for medical malpractice in another state [title] Obtain copies of your medical records. [step] You will need evidence in order to sue a doctor or other medical professional for medical malpractice. You should get copies of your medical records. 
Make sure to get records from the doctor you are suing, as well as from any doctor who has helped you recover from the poor treatment. [substeps] Your doctor will also need to understand your health history.