Hasan Erdem Obesity Clinic is a specialized clinic in Istanbul, Turkey focusing on obesity surgery. Bariatric Services provides pre-and post-operation counseling services for bariatric surgery patients, operations are carried out by our partner hospitals. Surgeries are performed by Doctor Hasan Erdem whom is a specialist on obesity. Our chief surgeon – Assoc. Dr. Hasan Erdem is the leading bariatric surgeon in Turkey. Doctor Hasan has the most prominent and the longest experience in the eld of bariatric surgery in Turkey. Hasan Erdem performed more than 5000 weight loss surgeries.