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Gastroenterologist, Endoscopic Gastroenterologist

Demetris Kalogeras Ph.D.

ENT (Ear/Nose/Throat) , Otorhinolaryngology


  • Degree in Medical School, University of Patra, Greece
  • Gastroenterology specialty title (decision of the Directorate of Health and Public Health – Athens Prefecture)
  •  European Diploma in Gastroenterology and Hepatology, Education Committee of the European Board of Gastroenterology and Hepatology of the European Union of Medical Specialists (EUMS)
  • Ph.D. 1991: Undertaking the subject of a Doctoral Dissertation on the Pathophysiology of the Upper Digestive System

The Doctor deals with the investigation of problems in the digestive system by performing endoscopic diagnostic tests (gastroscopy, colonoscopy) related to the prevention and treatment of gastrointestinal diseases. The spectrum of his scientific interests includes the evaluation and treatment of diseases of the digestive system, bile ducts, pancreas, and liver. Also included are gastroesophageal reflux disease, irritable bowel syndrome, inflammatory bowel disease, and esophageal disease. The patient’s medical history is assessed and, where required, endoscopic procedures are performed, such as colonoscopy and gastroscopy using High Definition technology, and appropriate treatment is provided depending on the symptoms and endoscopic findings.

Professional Experience

Private Practice Athens

Scientific Associate in Hospitals – Clinics (Athens Health Hospital, Athens Euroclinic, Metropolitan Hospital, Peristeri Medical Center)
Scientific Collaborator in insurance agencies (physician gastroenterologist at the local Health Unit – IKA of Peristeri and practicing Gastroenterologist at OAEE of Athens)
Gastroenterology Clinic of the 1st IKA Hospital
Pathology Clinic of Argos General Hospital
Field Service, Psachna Health Center, Chalkida Hospital
Military Service, 401 Military Hospital

Dr. Demetris Kalogeras is registered and a member of the following:

  • Hellenic Society of Gastroenterology
  • Hellenic Society for the Study of the Liver
  • Hellenic Group for the Study of Idiopathic Inflammatory Bowel Diseases (EOMIFNE)
  • Hellenic Society for the Study of Helicobacter and Other Gastrointestinal Infections (EEMELOP)
  • Pancypriot Medical Association
  • Gastroenterology Society of Cyprus

Areas of expertise

  • Endoscopic gastroenterology
  • Esophageal disorders
  • Gastroesophageal reflux
  • Hepatology
  • Inflammatory bowel diseases
  • Digestive Oncology
  • Irritable Bowel Syndrome (Spastic Colitis)
  • Peptic ulcer
  • Helicobacter pylori (Diagnosis – Treatment – Treatment)
  • Gastritis
  • Digestive polyps
  • Colon diverticula
  • Haemorrhoidal disease
  • Cholelithiasis
  • Pancreatic disorders
  • Malabsorption syndrome

Opening hours

Mon-Fri 08:30 – 18:00 / Sat-Sun closed

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