Assoc. Dr. Mehmet Çelikbilek is dealing with the diagnosis and treatment of diseases in the field of gastroenterology and hepatology in his office located in the Regnum Sky Tower in Ankara Çankaya, and performs endoscopic procedures such as upper endoscopy, rectoscopy, colonoscopy, ERCP , in the hospitals he contracts with.

Assoc. Dr. Mehmet Çelikbilek plans the follow-up and treatment of his patients in the hospitals where he / she has an agreement when patients need to receive inpatient treatment. PEG (Percutaneous endoscopic gastrostomy), which is necessary for the nutrition of patients with nutritional problems and difficulties in swallowing, is inserted. It performs band ligation in esophageal varices, that is, the removal of bands on varicose veins detected in the esophagus. In patients such as cirrhosis, excess fluid collected in the abdomen is discharged.

Assoc. Dr. Mehmet Çelikbilek also gives weight loss applications by endoscopic methods such as stomach injection and gastric balloon application for overweight and obese individuals .