Did a doctor's mistake cause you serious injury? For a free consultation about your personal injury claim, call toll free 1-866-484-8966 to talk to an attorney at Shamberg, Johnson & Bergman, in Kansas, City, Missouri. Medical negligence cases are among the hardest to prove. Attorneys work as a team to ensure that the family receives the most experienced, effective legal representation the client can find. The clients get more than just legal knowledge and skill.