Gastroenterologists for Colonoscopy

Dr. Zogas Nikolaos is a Gastroenterologist - Hepatologist with a clinic in Kallithea and an external collaborator of some of the largest private clinics in Athens where he performs endoscopy. He graduated from the University of Udine in Italy. He served as Director at the Department of Pathology and Gastroenterology of the University Hospital in Umeå, Västerbotten, Sweden, where he obtained two specialty titles (recognized by the Greek Authorities): Gastroenterology - Hepatology and Internal Medicine. Additionally, he is a PhD candidate at the University of Umeå, where he also served as a trainer for medical residents and nurses at the Medicinkliniken and holds, among others, certification from the two-year program Grundläggande Forskningsmetodik för läkare. He has many years of experience in monitoring hepatology patients and is particularly specialized in clinical (ulcerative colitis, Crohn's disease, diarrheal syndromes, constipation, celiac disease, Helicobacter pylori, collagenous gastritis, etc.) and interventional gastroenterology with numerous difficult endoscopies, polypectomies, and other interventional procedures. He has specific expertise in interventional procedures such as large polyp polypectomies with EMR, balloon enteroscopy (double or single balloon enteroscopy), esophageal variceal ligation, dilation of gastrointestinal strictures, gastrostomy placement (PEG), and others. He served as a consultant in the Gastroenterology Department of the hospital "Elpis" until the end of 2020.

Margetis Nikolaos is a Gastroenterologist and maintains a private practice in Ambelokipoi. He holds a PhD from the Medical School of the National and Kapodistrian University of Athens and is certified in ATLS (Advanced Trauma Life Support) by the American College of Surgeons. Additionally, he is specialized in hepatology and endoscopic gastroenterology. At his private practice, each patient can receive information regarding oncology issues related to the organs of the digestive tract, liver, and pancreas. He offers a range of gastroenterological services to patients including gastroscopy, colonoscopy, rectoscopy, polyp removal, and breath testing for Helicobacter pylori. Furthermore, he has extensive experience in interventional endoscopy, performing endoscopic procedures of the upper and lower gastrointestinal tract. He ensures continuous education by actively participating in approximately 40 international medical conferences, lectures, oral presentations, and chairing sessions at 6 international medical conferences. He has been actively involved in around 250 Greek medical conferences, oral presentations, speeches, and chairing sessions at 50 Greek medical conferences, as well as hands-on training at 20 conferences with practical participation. Moreover, he has contributed a substantial body of written work to international and Greek medical journals, as well as to proceedings of international and Greek medical conferences, and possesses teaching experience at university medical schools. Finally, he is the recipient of numerous Distinctions and Awards.

Rizos Euripidis is a Gastroenterologist who maintains a private practice in Agios Dimitrios, Attica. Concurrently, he serves as a consultant in the Gastroenterology Department of "Lefkos Stavros" hospital. He is a graduate and a doctoral candidate at the Medical School of the National and Kapodistrian University of Athens. He obtained his specialty title at the Hepatogastroenterology Unit of the University Hospital "Attikon," where he was trained in the full spectrum of Gastroenterology, Hepatology, and particularly Interventional Endoscopy, having performed a substantial number of diagnostic and interventional endoscopies. He specialized at the Neurogastroenterology Department of Queen Mary Royal London Hospital in the United Kingdom, focusing on gastroesophageal reflux disease, irritable bowel syndrome, and other functional digestive disorders. He actively participates in Greek and international conferences with lectures and presentations, as well as publications in international scientific journals. Finally, he is a member of the Medical Association of Athens and Piraeus and the Hellenic Society of Gastroenterology.

Papadokostopoulou Aleksandra is a Gastroenterologist who maintains a private practice in Vyronas. She holds a degree from the Medical School of the National and Kapodistrian University of Athens and a PhD from the Medical School of the University of Crete. She specialized in Internal Medicine at the Hospital of Divine Providence “H Pammakaristos” and at the 1st IKA Hospital of Athens, and subsequently specialized in Gastroenterology at the Anti-Cancer - Oncology Hospital of Athens “Agios Savvas.” She is the scientific head of the Gastroenterology Department of the Paleo Faliro Clinic “REA” and has served as a collaborator in the physiology laboratory of the General Department of Basic Medical Sciences at the School of Health Sciences of the Technological Educational Institute of Athens. Aiming for continuous education and updates, she attends Greek and international seminars on digestive system diseases and has numerous announcements and presentations at Greek and international conferences. Finally, the physician is a member of the Hellenic Gastroenterological Society, the Professional Association of Gastroenterologists of Greece, the Hellenic Foundation of Gastroenterology and Nutrition, the European Board of Gastroenterology and Hepatology, and the Hellenic Anti-Cancer Society.

Interventional gastroenterologist Konstantopoulos Panagiotis, after many years of professional experience abroad, has been the scientific director of the Gastroenterological Endoscopic Unit at the Athens Medical Residence since April 2022. During his stay in the Netherlands, he worked as a consultant at ADRZ Goes hospital where he performed over 3,000 endoscopies and had the opportunity to specialize in innovative techniques for the removal of large gastrointestinal polyps (endoscopic mucosal resection, chromoendoscopy) using advanced artificial intelligence devices. He served as a member of the scientific board of Admiraal De Ruyter Ziekenhuis hospital in the Netherlands as well as being responsible for scientific protocols and the endoscopy department, head of the outpatient gastroenterology clinics at Admiraal De Ruyter Ziekenhuis hospital, where he managed a large number of cases with inflammatory bowel disease (Crohn’s disease and ulcerative colitis) as well as numerous patients with gastroesophageal reflux disease – Barrett's esophagus, irritable bowel syndrome, constipation, and hemorrhoids. Following successful examinations at St. Antonius Ziekenhuis University Hospital in Utrecht, he was appointed responsible for screening the Dutch population for colorectal cancer (Bevolkingonderzoek accredited). The physician has participated in numerous conferences in Greece and abroad, is a member of scientific societies in Greece and the Netherlands, has a large number of publications in reputable medical journals in Greece and internationally, and has been a member of the Athens Medical Association since 2001, upon graduation from Medical School.

Karlaftis Anastasios MD is a Gastroenterologist - Hepatologist and maintains a private practice in Metamorfosi, while also collaborating with the endoscopy department of the diagnostic center "Ionio Iatriki." He is a PhD candidate at the University Gastroenterology Clinic of the Medical School of the University of Athens and a graduate of the Medical School of Aristotle University of Thessaloniki. He specialized in the Gastroenterology Clinic of the General Hospital of Athens "G. Gennimatas" and has worked in major hospitals such as the General Hospital of Athens "Laiko," the General Hospital of Athens "Alexandra," and the General Hospital of Chania "Agios Georgios." The physician has participated in numerous scientific meetings and seminars and has numerous presentations in both foreign-language and Greek-language conferences. Additionally, he has several publications in Greek and international journals. During his tenure in university clinics, he has also contributed to teaching by delivering numerous lessons to medical students. Finally, despite practicing private medicine, he continues his research and writing activities, and recently his first book was published, entitled "Modern Guidelines in Gastroenterology and Hepatology."

Το Πολυϊατρείο Affidea Μεσσήνης φέρνει το επίπεδο μιας μεγάλης πόλης στη Γαστρεντερολογική φροντίδα υγείας στην περιοχή της Μεσσηνίας. Με εξειδικευμένους ιατρούς και σύγχρονο εξοπλισμό, οι κάτοικοι της περιοχής έχουν πλέον πρόσβαση σε ολοκληρωμένες διαγνωστικές υπηρεσίες χωρίς να χρειαστεί να μετακινηθούν στα αστικά κέντρα.

Orfanidou Afroditi is a Gastroenterologist - Hepatologist and maintains a private practice in Glyka Nera. She holds a PhD from the Medical School of the University of Ioannina and graduated from the Medical School of the University of Crete. She specialized in Gastroenterology at the University Gastroenterology Clinic of the General Hospital of Athens "Laiko".

She has attended the Clinical Hepatology School of the Hellenic Association for the Study of the Liver, the Educational Seminar on Inflammatory Bowel Diseases of the Hellenic Group for the Study of Inflammatory Bowel Diseases, and the Endoscopy School of the Hellenic Gastroenterological Society. She maintains an active scientific presence, participating in Greek and international conferences with oral and written presentations, as well as publications in international scientific journals.

She possesses clinical experience in the diagnosis and management of the entire spectrum of digestive system diseases, with particular interest in inflammatory bowel diseases and diagnostic and therapeutic endoscopy. Additionally, she collaborates with private polyclinics where she performs gastrointestinal endoscopies.

She is a member of the Athens Medical Association, the Hellenic Gastroenterological Society, the Hellenic Group for the Study of Inflammatory Bowel Diseases, and the Professional Association of Gastroenterologists of Greece.

Το Affidea Νέας Ερυθραίας αποτελεί το ολοκληρωμένο ιατρικό κέντρο της περιοχής, με εξαιρετικά πλούσιο φάσμα ιατρικών ειδικοτήτων. Ξεχωρίζει για τις εξειδικευμένες χειρουργικές υπηρεσίες, την ουρολογία με δυνατότητα κυστεοσκόπησης, τη νεφρολογία και τις προηγμένες αγγειοχειρουργικές παρεμβάσεις - ένας πλήρης ιατρικός προορισμός για κάθε ανάγκη.

Koutsounas Ioannis is a Gastroenterologist with a private practice in Athens (Nea Filothei area). He is an honored PhD graduate of the Medical School of Athens and an alumnus of the Medical School of Ioannina. He has undergone advanced training in Digestive Endoscopy techniques at the internationally renowned John Radcliffe University Hospital in Oxford, United Kingdom, as a scholar of the Hellenic Gastroenterological Society. He obtained his specialization in Gastroenterology at the "Laiko" and "Sismanogleio" Hospitals in Athens, and his experience has also been enriched at major hospitals and centers abroad, such as John Radcliffe (Oxford), Queen Alexandra (Portsmouth), and the Bank of Cyprus Oncology Center (Nicosia). Currently, he holds the position of University Fellow (full-time salaried collaborator, equivalent to an attending physician) in the 3rd Medical Clinic of the Medical School of the University of Athens at "Sotiria" Hospital, within the Gastroenterology Department, where he works during morning hours. Additionally, he is one of the few gastroenterologists in Greece who holds the European Diploma in Gastroenterology and Hepatology (European Section and Board of Gastroenterology and Hepatology) after examinations. He is a member of various Greek and international scientific societies and associations, has participated in numerous gastroenterology-related conferences and seminars, and has a notable publication record in international journals. He possesses significant experience and skill in Diagnostic and Therapeutic Digestive Endoscopy (Polypectomies - EMR, Dilations, Endoscopic Hemostasis), resulting from the high-standard training he has received abroad.

Papadopoulou Iliana MD, MSc, PhD, FEBGH is a Gastroenterologist maintaining a private practice in Patras. She graduated from the Medical School of the National and Kapodistrian University of Athens with postgraduate studies in Health Unit Management (Hellenic Open University) and holds a doctoral degree from the Medical School of the University of Patras. She has obtained the European Specialty Diploma in Gastroenterology and Hepatology (ESEGH) and has additionally trained in ultrasound and interventional endoscopy through international hands-on courses. She possesses extensive clinical experience in both the public and private sectors, having served as head of the endoscopy unit in a diagnostic center, while maintaining a private practice. She has worked in tertiary care hospitals, completing her specialty training at the Gastroenterology Clinic of the National Cancer Institute "Metaxa". Her scientific activity includes publications in international journals, participation in national and international conferences as a speaker and author of studies, while continuously pursuing further education in the fields of Gastroenterology and Hepatology.

Dr. Papafragkakis Xarilaos is a Gastroenterologist - Hepatologist - Interventional Endoscopist and maintains a private practice in Kolonaki. He has been fully trained in the USA. He holds a medical degree from the Medical School of the National and Kapodistrian University of Athens and specialized in Gastroenterology at the Brooklyn Hospital Center of Mount Sinai - Icahn School of Medicine in New York. He specialized in Interventional Endoscopy at the MD Anderson Cancer Center Hospital of the University of Texas and in Hepatology at the University of Miami - Jackson Memorial Medical Center. Additionally, he holds a specialty in Internal Medicine from the University of Illinois in Chicago and possesses certification from the American Board of Internal Medicine and Gastroenterology. Dr. Papafragkakis is the author of numerous publications in scientific journals and has extensive academic teaching experience. He is a scientific collaborator and performs endoscopies at the Euroclinic Athens Hospital in Ampelokipoi.

Karatzas Pantelis is a Gastroenterologist who maintains a private practice in the Ampelokipoi area. He completed his doctoral dissertation at the National and Kapodistrian University of Athens and holds a Medical degree from the same university. He received advanced training in Gastrointestinal Endoscopy at the University of Hamburg, Germany, and specialized in Gastroenterology at "Evangelismos" Hospital and in General Pathology at the General Hospital of Chalkida. He is a university fellow at the University Gastroenterology Clinic of the General Hospital of Athens "Laiko" and has served as a scientific collaborator at the University Hepatogastroenterology-Endoscopy Unit of the University General Hospital “Attikon.” Furthermore, he is a member of numerous scientific societies, has attended numerous Greek and international conferences, participated in many specialized seminars, and has publications and written presentations both in Greece and abroad.

Dr. Raftopoulos Ioannis MD is a Specialist in Internal Medicine - Gastroenterology and maintains a private practice in Vrilissia. He graduated from the Medical School of Democritus University of Thrace. After 14 years of continuous clinical experience in Germany, he returned to Greece, bringing advanced expertise and specialized experience in interventional gastroenterology. During his tenure, he completed his specialties in Internal Medicine and Gastroenterology, performing thousands of endoscopies, with a focus on advanced techniques such as ERCP and Endoscopic Ultrasound (EUS).

He served for 5 years at a major Academic Hospital in Wuppertal (University of Bochum), where he was responsible for the education of medical students through seminars and presentations. Subsequently, he worked as a Consultant at Nettetal Hospital, performing a large number of interventional procedures.

He has comprehensive training and extensive experience in transabdominal ultrasound, as well as in performing numerous diagnostic and therapeutic punctures, ensuring comprehensive patient management. He specializes in interventional endoscopy (ERCP, EUS) and the use of advanced imaging techniques for the diagnosis of gastrointestinal diseases.

The physician possesses extensive clinical experience and adopts a patient-centered approach. He firmly believes in thorough investigation of each case and in building a trust-based relationship with his patients, providing high-standard medical care based on German organizational standards and medical ethics.

Arousis Igiant is a Gastroenterologist - Endoscopist and maintains a private practice in Chalandri. He is a graduate of the Medical School of the National and Kapodistrian University of Athens. He completed his specialty in Gastroenterology at the General Hospital of Athens "Evangelismos," performing over 2000 endoscopic procedures of the upper and lower gastrointestinal tract during his training. He has served as the lead physician at the clinics "Athinaion" and "Agios Eleftherios," as well as the lead physician in the Hemodialysis Unit at the "Eugenidio Foundation." Additionally, he has served as a regular supervising physician at the 417 Military Nursing Institution of the Army Share Fund. Finally, he has worked as a gastroenterologist at the Eugenidio Therapeutic Center.

Giorgakis Nikolaos MD, MSc, FEBGH is a Gastroenterologist practicing privately in Rhodes. He is a PhD candidate at the Medical School of Aristotle University of Thessaloniki. He studied at the English-speaking program of the Medical School at Charles University in Prague and received further training in London at Barts and the London School of Medicine and Dentistry, Queen Mary University. Dr. Nikolaos is a member of the Hellenic Society of Gastroenterology and the Hellenic Society for the Study of the Liver, as well as a member of the Specialist Register of the British Medical Council and the European Board of Gastroenterology and Hepatology. His clinic provides diagnosis, monitoring, and treatment of diseases affecting the esophagus, stomach, small and large intestines, as well as the rectum, liver, biliary tract, and pancreas. Diagnostic tests and endoscopic procedures are performed in a specially designed facility equipped with instruments and devices bearing CE marking certificates and employing state-of-the-art technology.

Sioulas Athanasios MD, PhD, FEBGH is a Gastroenterologist with a private practice in Chalandri. He holds a doctorate from the Medical School of the National and Kapodistrian University of Athens and is also a graduate of the same institution. He completed his specialty training in Gastroenterology at the Hepatogastroenterology Unit of the 2nd Propaedeutic Medical Clinic of the University General Hospital "Attikon" and subsequently undertook advanced training as a fellow of the Hellenic Gastroenterology Society in the Endoscopy Department of the Universitätsklinikum Hamburg - Eppendorf (UKE) in Hamburg, Germany. His advanced training focused on diseases of the pancreas and biliary tract with an emphasis on endoscopic diagnostic and therapeutic techniques (ERCP, cholangioscopy). In addition to his clinical activities, Dr. Sioulas has a special interest in basic and clinical research in the field of gastroenterology, with numerous publications in reputable international scientific journals and presentations at Greek and international conferences. Currently, he practices general gastroenterology and hepatology, covering the entire spectrum of digestive system diseases, with an emphasis on endoscopic diagnostic and therapeutic methods. He works closely with leading surgeons, oncologists, radiologists, and radiotherapists to provide his patients with high-quality services in accordance with current clinical guidelines. Finally, Dr. Sioulas is a member of the Hellenic Gastroenterological Society, the European Board of Gastroenterology and Hepatology, and the European Society of Gastrointestinal Endoscopy.

Giannousis Ioannis MD, PhD is a Specialist Gastroenterologist - Hepatologist - Interventional Endoscopist based in Gerakas, maintaining a private practice there. He holds a Doctorate from the Medical School of the National and Kapodistrian University of Athens and has received advanced training in Interventional Endoscopy and Endoscopic Ultrasound (EUS) at the Vita-Salute San Raffaele University Hospital in Milan, Italy. He is affiliated with Euroclinic Athens and is part of the Medisystem network of physicians. His private practice operates a modern Endoscopic Unit equipped with advanced sterilization systems, state-of-the-art endoscopes, and an electrosurgical unit for performing interventional endoscopic procedures (polypectomies). All endoscopic procedures (gastroscopies - colonoscopies) are performed painlessly, with mild sedation (conscious sedation) or under anesthesiologist supervision when necessary. The physician undertakes the investigation of iron deficiency anemia, diagnosis, monitoring, and treatment of diseases of the digestive system (esophagus, stomach, pancreas, biliary tract, small and large intestines), as well as patients with hepatological conditions. Additionally, he holds a license from the Ministry of Health to perform gastroenterology specialty ultrasounds and provides home visits for urgent cases.

Dr. Dogantzis Panagiotis is a Gastroenterologist with private practices in Nea Smyrni and Patissia. He completed his specialty training at the Gastroenterology Department of the Nursing Foundation of the Army Mutual Fund Hospital (NIMTS) and the Internal Medicine Department of the General Prefectural Hospital of Sparta. The physician specializes in gastrointestinal endoscopy, including gastroscopy and colonoscopy, and in the management of esophageal, gastric, and colorectal diseases. Currently, alongside his private practice, he serves as an External Collaborator at Therapis General Hospital, REA Clinic, and the Athens Bioclinic. Furthermore, Dr. Dogantzis is a member of the Hellenic Gastroenterological Society and the Athens Medical Association. Committed to ongoing education and professional development in his field, he actively participates in both Greek and international conferences as well as educational programs.