Gastroenterologists for Gastroenteritis in Athens

Tzannetakou Ksanthippi is a Gastroenterologist who maintains a private practice in Kolonaki. She studied at the Medical School of the National and Kapodistrian University of Athens and specialized in Gastroenterology at the General Hospital of Athens “Evangelismos.” Additionally, she is an Attending Physician at the B' Gastroenterology Clinic of Iaso Hospital. Finally, she specializes in Endoscopic Gastroenterology (diagnostic and interventional endoscopy of the upper and lower gastrointestinal tract), anorectal diseases (cauterization of warts, diagnosis and treatment of sexually transmitted diseases), idiopathic inflammatory bowel diseases, and endoscopic treatment of obesity (gastric balloon, gastric Botox).

Iatrokosmos is a comprehensive primary healthcare unit located in the Ampelokipoi area. It consists of the Iatrokosmos Gastroenterology Department, which is staffed by highly trained scientific personnel and equipped with state-of-the-art medical technology. The center's purpose is to provide the solution that each patient desires, namely diagnosis and treatment, in a cost-effective, reliable manner with only the necessary examinations. The goal is to meet the health needs of every family, insured or uninsured, of any age, with comprehensive solutions. Their philosophy includes three fundamental principles: friendly service – high-quality examinations – affordable prices. Finally, always prioritizing patient safety, they take responsibility for the patient’s health from start to finish, meaning from diagnosis through to treatment.

Kyriakos Nikolaos MD, PhD is a Gastroenterologist with a private practice in Ampelokipoi. He holds a doctorate from the Medical School of the National and Kapodistrian University of Athens, with a dissertation focused on wireless capsule endoscopy of the small intestine. Additionally, he possesses the European Board of Gastroenterology & Hepatology diploma and is a graduate of the Medical School of Aristotle University of Thessaloniki as well as the Military School of Corps Officers (SSAS). He completed his specialization in general pathology at the 2nd Internal Medicine Clinic of the 401 General Military Hospital of Athens and in gastroenterology at the 1st Gastroenterology Clinic of the General Hospital of Athens "Evangelismos". He is a Consultant at the Gastroenterology Clinic of the 401 General Military Hospital of Athens and an External Collaborator at the "Vioclinic Ampelokipoi" Hospital. In his private practice, he provides services for all digestive system diseases, idiopathic inflammatory bowel diseases (ulcerative colitis, Crohn’s disease), and endoscopic procedures (gastroscopy, colonoscopy, polyp removal). Finally, he has attended numerous conferences in Greece and abroad and is a member of the Hellenic Gastroenterology Society, the Hellenic Foundation for Gastroenterology and Nutrition, and the Hellenic Study Group for Idiopathic Inflammatory Bowel Diseases.

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.

Anastasiadis Dimosthenis is a Gastroenterologist - Hepatologist and has maintained private clinics in Kallithea and the Zografou area since 2001. The doctor offers a wide range of services across the entire spectrum of Gastroenterology - Hepatology, including digestive endoscopies, gastroscopies, colonoscopies, and rectoscopies, among others. Finally, he is a member of the Athens Medical Association.

Pontas Xristos is a Gastroenterologist and maintains his private practice in Athens. He has served as a Senior Clinical Fellow in Acute General Medicine at the Royal Free Hospital Hampstead NHS Trust and as a Clinical Fellow in the Gastroenterology and Endoscopy Department of the same hospital in London. It is noteworthy that he was awarded a UEG (United European Gastroenterology) Scholarship as well as a Scholarship from the Hellenic Gastroenterological Society. Currently, he serves as a Consultant in the Gastroenterology Clinic at Mitera Hospital.

Varytimiadis Lazaros MD, MSc, FEBGH, PhD is a Gastroenterologist - Interventional Endoscopist, Deputy Director of the Gastroenterology Clinic and Endoscopy Department at MITERA Hospital, and maintains private practices in Pefki and Athens. He received a scholarship from the Hellenic Society of Gastroenterology and completed advanced training in Interventional Gastrointestinal Endoscopy at Queen Alexandra Hospital, where he was later appointed and worked as a Consultant. He specialized in Gastroenterology at the General Hospital of Athens "Evangelismos - Athens Ophthalmological Clinic - Polyclinic," as well as in Internal Medicine at the General Prefectural Hospital of Edessa. In 2017, he was recognized as a Fellow of the European Board of Gastroenterology and Hepatology (FEBGH). Additionally, he holds a PhD from the National and Kapodistrian University of Athens, with a dissertation focused on the removal of precancerous lesions (polyps) from the gastrointestinal tract. He completed a postgraduate MSc program in Crisis Management at the National and Kapodistrian University of Athens and graduated with honors from the Victor Babes University of Medicine and Pharmacy in Romania. It is noteworthy that his main clinical interests include complex polypectomies of large polyps (EMR, pEMR, ESD), monitoring patients with Barrett’s esophagus, and Inflammatory Bowel Diseases. Furthermore, he has participated in numerous national and international conferences, workshops, and advanced training seminars, has received scholarships and awards for best scientific presentations, and has delivered oral presentations and posters at various scientific meetings.

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. 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.

Sazanidis Vasileios is a Gastroenterologist and maintains a private practice in Dafni. He graduated from the Medical School of Aristotle University of Thessaloniki and received a scholarship from the Hellenic Foundation of Gastroenterology and Nutrition for advanced training in the United Kingdom, specializing in interventional endoscopy at the Victoria Hospital of Blackpool. During his training, he performed a large number of colonoscopies, gastroscopies, sigmoidoscopies, ERCPs, as well as endoscopic gastrostomies, esophageal stent placements, esophageal variceal ligations, endoscopic hemostasis, esophageal dilations, and numerous polypectomies and mucosectomies. He specialized in Internal Medicine at the 424 General Military Training Hospital of Thessaloniki and in Gastroenterology at the 1st Propaedeutic University Clinic of the General Hospital of Athens "Laiko." He has worked at the private clinic "Central Clinic of Athens" and as an external Scientific Collaborator at the Hepatology Clinic of the University Gastroenterology Clinic of the General Hospital of Athens "Laiko." Since 2019, he has been working at the Diagnostic Medical Center "Kosmoiatriki" and has been working periodically as a Gastroenterologist in various hospitals in the United Kingdom since 2014, conducting clinical work, endoscopies, and outpatient clinics (Royal Bournemouth Hospital, Bournemouth - Darlington Memorial Hospital, Darlington - St Helier Hospital, London - James Paget Hospital, Great Yarmouth - Bristol Royal Infirmary, Bristol). Finally, he is an Accredited Member of the British Society of Gastrointestinal Endoscopy (JAG).

Lazaridis Lazaros - Dimitrios is a Gastroenterologist and serves as Consultant in the Gastroenterology – Hepatology Clinic at Metropolitan General in Cholargos. He also maintains a private practice at the Pharos of Neo Psychiko. He studied Medicine at the National and Kapodistrian University of Athens and specialized in Gastroenterology - Hepatology at the University General Hospital “Attikon.” Beyond the national exams for obtaining the Gastroenterology specialty title, he participated in the activities of the 14th Hepatology School of the Hellenic Association for the Study of the Liver and was awarded following his participation in the examinations. He was awarded a Doctorate from the Medical School of the National and Kapodistrian University of Athens in 2017 with a grade of “Excellent.” He completed his doctoral thesis at the 2nd University Pathology Clinic of the University General Hospital “Attikon” focusing on the role of the inflammasome in idiopathic inflammatory bowel diseases. He is the author of more than 15 scientific articles in reputable international scientific journals. He has participated as an invited speaker at Greek conferences and has been part of the authorship team in nearly 50 presentations at international and Greek conferences. He has actively participated in multicenter clinical studies. He has taught students at the National and Kapodistrian University of Athens within the framework of undergraduate courses. He fulfilled his mandatory rural service as a physician at the General Hospital of Trikala in the Regional Clinic of “Koniskos” and served as a Pathology specialty trainee at the General Hospital of Athens “Sismanogleio,” as part of his training for the Gastroenterology specialty. Finally, he fulfilled his military obligations as a unit doctor in the Hellenic Army, serving at the 95th National Guard Reconnaissance Squadron (95 EAΝΕΘ) in Gennadi, Rhodes.

Mparmpounakis Panagiotis is a Gastroenterologist - Hepatologist with private practices in Neo Psychiko and Salamina. Additionally, he sees patients at the outpatient clinics of Iatriko Psychiko and Iatriko Palaio Faliro (Athens Medical Group). His extensive studies in Greece and abroad, combined with his personal dedication to the patient's problem, ensure excellent provision of medical care and management of health issues. The physician's long-term involvement and experience in gastroenterology, digestive oncology, idiopathic inflammatory bowel diseases (Crohn's disease, ulcerative colitis), continuous scientific updating, and his distinguished team of collaborators enable proper management of a wide range of gastroenterological conditions. He performs advanced endoscopic, diagnostic, interventional, and therapeutic techniques such as Radiofrequency Ablation (RFA) application in Barrett's esophagus, a method that essentially revolutionizes its treatment, endoscopic mucosal resection (EMR), magnifying endoscopy, high-definition chromoendoscopy for the prevention and early diagnosis of early cancer and precancerous conditions in the digestive system, and Narrow Band Imaging (NBI). More specifically, he performs endoscopic application of Radiofrequency Ablation (RFA) in Barrett's esophagus, cauterization - endoscopic hemostasis of upper and lower gastrointestinal lesions with Argon Plasma Coagulation (APC), small bowel examination with wireless PILL CAM capsule, gastroscopy - CLO Test for Helicobacter pylori detection, liver and biliary diseases, anemia investigation, celiac disease screening, treatment of malabsorption syndrome, diagnosis and treatment of idiopathic inflammatory bowel diseases.

Dimitrios Tsounis MD, MSc, FEBGH is a Gastroenterologist with private practices in Neo Psychiko and Acharnes. He graduated from the Medical School of Aristotle University of Thessaloniki and holds postgraduate diplomas in EUS and ERCP from Vita-Salute San Raffaele University in Milan. Additionally, he holds the European Diploma in Hepatology-Gastroenterology (FEBGH), which has led to his specialization in polyp removal. He has extensive professional experience and currently serves as the Deputy Director of the Gastroenterology Clinic at the 251 Air Force General Hospital, where he engages in various gastroenterological procedures. Specifically, in his practice, each patient has the opportunity to be informed about more specialized interventional endoscopic methods such as endoscopic retrograde cholangiopancreatography (ERCP) and endoscopic ultrasound (EUS). Moreover, he provides, both in his practice and in the clinics he collaborates with, a range of basic gastroenterological examinations including colonoscopy, gastroscopy, rectoscopy, urea breath test for Helicobacter pylori, and hepatology screening. Finally, in his ongoing professional development, he participates in numerous Gastroenterology conferences held both in Greece and abroad.