Dr. Frédéric Sondag can help patients to defend themselves against the mutual insurance company, the ONEM, an insurance company, the FEDRIS as well as in all cases of aggression. Medical expert practicing in Namur at Rue Henri Lemaître 99, he received a specialization in expertise medicine in 2000 and graduated with a doctorate in medicine in 1998. Member of several associations, he has acquired several professional experiences within different centers and hospitals and carries out his visits only by appointment.