General surgeons

Kyziridis Dimitrios is a General Surgeon who maintains a private practice in Thessaloniki. He holds a PhD from the Medical School of Aristotle University of Thessaloniki (A.U.Th.). Additionally, he is a Diplomate of the European Society of Surgical Oncology for the management of peritoneal malignancy and a collaborator of the peritoneal malignancy program at the Euromedica Cyan Cross clinic, while also specializing in the treatment of anal diseases. From September 2023 to October 2024, he served as a Scientific Collaborator of the 4th University Surgical Clinic of A.U.Th. at the General Hospital of Thessaloniki "G. Papanikolaou," actively participating in surgeries, on-call duties, and the clinic's teaching activities. He has participated in numerous seminars and conferences both in Greece and abroad and is the author of numerous announcements and papers in Greek and international journals.

Dr. Xaveles Ioannis MD, cMS, PhD is a General Surgeon with a private practice in Patras. He holds a doctorate from the University of Patras and graduated from the Medical School of Democritus University of Thrace. He specialized in General Surgery at the University Hospital of Rio in Patras, as well as in the Plastic Surgery Clinic at the General Hospital of Agios Andreas in Patras. Additionally, he holds a postgraduate degree in Breast Surgery from the University Regional Hospital of Brighton, United Kingdom, along with formal training in Breast Surgery, Oncoplastic Surgery, and Breast Reconstruction from the British College of Surgeons in the UK. He served as a regular member of the Scientific Council and the Ethics Committee of the University Hospital of Patras for two years, and since 2016, he has been a full member of the British Breast Surgery Society. Finally, he is a member of the Medical Association of Patras and the Medical Association of Sparta.

Georgopoulos Nikolaos is a General Surgeon and maintains private practices in Mavili Square and in Sparta. From 2012 until 2023, he served as Director of the 2nd Surgical Clinic at the Naval Hospital of Athens, and he is currently the Director of the Surgical Clinic at Mediterraneo Hospital. He graduated from the Medical School of Aristotle University of Thessaloniki and completed his specialization in General Surgery in 1996, having trained at the Naval Hospitals of Crete and Athens, as well as at the General Hospital of Athens "Evangelismos," where he received training in trauma, upper and lower gastrointestinal surgery, endocrine gland surgery, bariatric surgery, laparoscopic surgery, and organ transplantation. Overall (including surgeries performed in private clinics), he has operated on over 7,500 patients. In the intervening periods, he completed further training abroad in Belgium, France, Italy, Spain, England, Switzerland, and Brazil. In his latest training in lower rectal cancer, he had the opportunity to successfully perform laparoscopic surgery (including TaTME), preserving the sphincters and anus and avoiding permanent colostomy. He has also been trained in Robotic Surgery. Finally, with over 20 years of experience, he co-organizes Greek and international conferences, keeping up with and contributing to advancements in surgery, laparoscopic surgery, and bariatric surgery.

Dr Liagkos Th Georgios MD, PhD is a General Surgeon - Proctologist, graduate of the Medical School of Patras, and has been awarded a PhD with honors from the Medical School of the National and Kapodistrian University of Athens. He is the Head of the 2nd Surgical Clinic for Anorectal Diseases at the Lumedica group and serves as a Scientific Collaborator Surgeon - Proctologist at Metropolitan Hospital in Neo Faliro and at Therapis in Athens. He also maintains private practices in Aigaleo and Lamia. He is a certified member of the American College of Surgeons (ATLS - ACS Committee on Trauma) and an active member of the Hellenic Surgical Society, the Hellenic Society of Endoscopic Surgery and Other Minimally Invasive Techniques, the Hellenic Society of Coloproctology, and the Hellenic Phlebology Society. He has specialized in Anorectal Surgery and Intestinal Surgery at the General State Hospital of Nikaia and has received further training in Advanced Laparoscopic Surgery and Minimally Invasive Surgery for abdominal wall hernias. Additionally, he is certified in the use of modern laser fiber optics, radiofrequency (RF), and ultrasound (HAL) in the surgical management of anorectal diseases (pilonidal cyst, hemorrhoids, perianal fistula-abscess, anal fissure, condylomas). Annually, he lectures and participates with presentations at numerous postgraduate seminars and conferences abroad and in Greece, staying updated primarily on the latest advancements in proctology and minimally invasive surgery. Since 2017, he has served as a reviewer for the American surgical journal Trauma Cases and Reviews and in 2023 published the world’s first report with new data on the contemporary management of pilonidal cysts using laser with the new Infinate Ring fiber.

Ο Τριανταφυλλίδης Αλέξανδρος είναι Γενικός χειρουργός εξειδικευμένος στην ελάχιστα επεμβατική χειρουργική (MIS) και διατηρεί ιδιωτικό ιατρείο στους Αμπελόκηπους (εντός του Νοσοκομείου Ερρίκος Ντυνάν). Είναι απόφοιτος του Αριστοτέλειου Πανεπιστημίου Θεσσαλονίκης (ΑΠΘ) με μεταπτυχιακό στο Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ). Ολοκλήρωσε την ειδίκευσή του τόσο στην περιφέρεια (Δράμα) όσο και στην Αθήνα, αποκτώντας εμπειρία στη λαπαροσκοπική και ελάχιστα επεμβατική χειρουργική, ενώ έχει λάβει επιπλέον μετεκπαίδευση στη χειρουργική ογκολογία. Τέλος, ο ιατρός είναι τακτικό μέλος της Ελληνικής Χειρουργικής Εταιρίας.

Dr. Kexagias Aristotelis MD, PhD, FACS is a General Surgeon with a subspecialty in Advanced Laparoscopic and Endocrine Surgery, as well as Laser procedures. He is a summa cum laude Doctor of the Medical School of the National and Kapodistrian University of Athens. He holds two specialty certifications (double specialty): General Surgery (Athens) and Laparoscopic Surgery of the Gastrointestinal Tract and Endocrine Glands, following postgraduate training at the University Hospital of Tampere, Finland. He has received further training at leading international centers in laparoscopic surgery and thyroid/parathyroid surgery, including the Karolinska Institute in Stockholm, Sweden, UMC Utrecht in the Netherlands, and Rudolfstiftung in Vienna. He also completed advanced training in modern minimally invasive Laser techniques at the Tor Vergata University Hospital in Rome. He is certified in advanced laparoscopic surgery by IRCAD France in Strasbourg. He is a member of numerous Greek and international surgical scientific societies and the American College of Surgeons. He has participated as an invited speaker in many international and national conferences. He maintains a private practice in Agia Paraskevi and performs surgeries at private hospitals in Athens.

Ο Ιατρός Δρ. Γεώργιος Γ. Τζίκος είναι Γενικός Χειρουργός, απόφοιτος της Ιατρική Σχολής του Αριστοτέλειου Πανεπιστημίου Θεσσαλονίκης και της Στρατιωτικής Σχολής Αξιωματικών Σωμάτων (ΣΣΑΣ). Ειδικεύτηκε στη Χειρουργική στην Α' Χειρουργική Κλινική του 424 Γενικού Στρατιωτικού Νοσοκομείου Εκπαιδεύσεως και στην Α' Προπαιδευτική Χειρουργική Κλινική του Γενικού Πανεπιστημιακού Νοσοκομείου ΑΧΕΠΑ στη Θεσσαλονίκη. Είναι Διδάκτωρ και Μεταδιδακτορικός Ερευνητής της Ιατρικής Σχολής ΑΠΘ. Επιπλέον, είναι κάτοχος Μεταπτυχιακού Διπλώματος "Ερευνητική Μεθοδολογία στην Ιατρική και στις Επιστήμες Υγείας" με την κατεύθυνση "Κλινικής Ιατρικής Έρευνας". Κατά τη διάρκεια της 6-ετούς εκπαίδευσης της ειδικότητας στη Θεσσαλονίκη, εξειδικεύεται στις τεχνικές της Ελάχιστα Επεμβατικής και Λαπαροσκοπικής Χειρουργικής στις παθήσεις Χοληφόρων, Κηλών κοιλιακού τοιχώματος, Παχέος εντέρου και Ενδοκρινών αδένων. Τα δύο τελευταία έτη της ειδικότητας και αμέσως μετά την απόκτηση του τίτλου Χειρουργικής μεταβαίνει στο Ηνωμένο Βασίλειο, όπου ολοκληρώνει την μετεκπαίδευση του στη Ρομποτική Χειρουργική για παθήσεις Παχέος εντέρου και Κηλών κοιλιακού τοιχώματος. Κατά τη διάρκεια της παραμονής του εκεί αποκτά εμπειρία και υψηλού βαθμού εξειδίκευση, συμμετέχοντας και διενεργώντας πλήθος ανοιχτών, λαπαροσκοπικών και ρομποτικά υποβοηθούμενων χειρουργικών επεμβάσεων. Παράλληλα όλα αυτά τα χρόνια, στα πλαίσια των κλινικών και ακαδημαϊκών του υποχρεώσεων στην Α' Προπαιδευτική Χειρουργική Κλινική ΑΠΘ του ΠΓΝΘ ΑΧΕΠΑ, διδάσκει στους προπτυχιακούς και μεταπτυχιακούς φοιτητές της Ιατρικής Σχολής ΑΠΘ, εκπονεί τη Διδακτορική του διατριβή με θέμα την ποιότητα ζωής των ασθενών με Πρωτοπαθή Υπερπαραθυρεοειδισμό και ολοκληρώνει τη Μεταδιδακτορική του Έρευνα με θέμα το επίπεδο καταθλιπτικής συνδρομής και ποιότητας της ζωής σε ασθενείς με κακοήθεια πεπτικού. Το επιστημονικό του ενδιαφέρον είναι έντονο με πάνω από 70 δημοσιεύσεις σε αναγνωρισμένα διεθνή Ιατρικά περιοδικά και πλήθος συμμετοχών τόσο με προφορικές ανακοινώσεις όσο και με posters σε συνέδρια της Ελλάδας και του εξωτερικού.

Gkoutziotis Ioannis is a General Surgeon who maintains a private practice in Kozani. The physician serves as an Academic Fellow at the 5th Surgical Clinic of the Aristotle University of Thessaloniki (A.U.Th.) - Hippocratio General Hospital of Thessaloniki (G.N.Th.) and is a PhD candidate in Medicine at A.U.Th. Consultations are available by appointment. The physician manages a wide range of cases including (but not limited to) open and advanced laparoscopic-minimally invasive surgery of diseases affecting the upper gastrointestinal tract, diaphragm, liver – biliary system – pancreas, abdominal wall, endocrine glands, colon – rectum – anus, skin, and subcutaneous tissue.

Gkogkos Spyros is a General Surgeon and Senior Consultant A’ ESY at the General Hospital of Attica Sismanogleio in the 2nd Surgical Clinic and maintains a private practice in Kato Patisia. In his general surgery clinic, every patient has the opportunity to receive information about a wide range of surgical conditions. He specializes in Advanced Laparoscopic Surgery / Minimally Invasive Surgery and Surgical Oncology. The doctor performs laparoscopic cholecystectomies, inguinal hernias, umbilical hernias, and all types of surgeries, as well as pressure ulcer debridement at patients’ homes. He has extensive surgical experience, having successfully performed over 3000 operations to date. His private practice offers the possibility of performing minor procedures, bloodlessly and under local anesthesia, such as skin tumors and cysts, skin nevi, biopsies, ingrown toenails, and telangiectasias. Finally, the doctor is a member of the Athens Medical Association and the Hellenic Surgical Society and collaborates with all private insurance companies.

Dr. Tsilividis Vasileios is a General Surgeon specializing in Oncological, Laparoscopic, and Bariatric Surgery, with extensive experience in university and private clinics in France and Greece, having performed over 3,500 surgeries.

He maintains private practices in Marousi and Peristeri.

He graduated from the French School of Athens and continued his studies at the Medical School of René Descartes University in Paris. There, he earned his Doctor of Medicine degree and subsequently obtained numerous university diplomas in France, including specializations in gastrointestinal surgery, oncological surgery, and bariatric surgery. He is also a member of the Hellenic Society of Gastrointestinal Oncology.

His professional career began at the University Hospital of Rouen, where he served as a resident, registrar, and later as a hospital physician. Since 2017, he has worked in clinics in France primarily focusing on General, Laparoscopic, Bariatric, and Oncological surgery, utilizing minimally invasive techniques. Currently, he provides his services at the Athens Medical Center in Marousi and Peristeri.

Dr. Tsilividis has participated in numerous scientific conferences and seminars, published papers in international medical journals, and undertaken educational roles at the university level.

He is fluent in French and English.

Maria Mixailidou MD, FACS, FASCRS is a General Surgeon maintaining a private practice within the HYGEIA Hospital in Marousi. She studied at the Medical School of the University of Patras and continued her medical training in the USA. There, she conducted clinical research in the Department of Emergency Surgery, Trauma, and Critical Care at Massachusetts General Hospital in Boston, under Harvard University, and specialized in General Surgery at the University of Arizona. Additionally, she specialized in Colon and Rectal Surgery at Penn State University. She is board-certified by the American Board of Surgery in General Surgery and by the American Board of Colon and Rectal Surgery. She possesses significant clinical experience having worked in clinics in the USA, as well as extensive scientific and research experience, reflected in numerous publications in international scientific journals and chapters she has authored in international surgical textbooks.

Sevrisarianos Nikolaos is a General Surgeon - Proctologist who maintains a private practice in Heraklion, Crete, while simultaneously serving as the Scientific Director of the Surgical Department at the private clinic Creta Interclinic. He graduated from the Medical School of the University of Naples in Italy. He specialized in General Surgery at the Venizeleio General Hospital of Heraklion and has received specialized training in anal canal diseases in Austria and Italy. He has worked in private clinics as an independent practitioner and has served as the scientific director of the surgical department at the private clinic "Galenos." Finally, Dr. Sevrisarianos has authored several scientific papers and has attended numerous conferences in Greece and abroad.

Tsizanou Xaralampos - Fernant is a General Surgeon-Proctologist and maintains his private practice in Ampelokipoi. He is an honor graduate Doctor of the University of Athens and holds a Master of Proctology (USA), while also serving as an Assistant Professor at the University of Notre Dame. For surgeries, he utilizes advanced and innovative techniques such as the use of Laser and ultrasound, allowing the patient to return immediately to their daily routine after surgery. He manages: Proctological conditions (hemorrhoids, anal fissure, perianal abscess, perianal fistula, pilonidal cyst, condylomas, anorectal malignancy), laparoscopic hernia repair, laparoscopic gallbladder diseases (cholelithiasis, cholecystitis), skin conditions (lipoma, sebaceous cyst, nevi, hidradenitis), and diseases of the colon (diverticula, polyps, cancer). Finally, it is noteworthy that the doctor engages in research and regularly publishes in international journals (in English and French) and collaborates with numerous hospitals and clinics abroad. To this day, he is the personal advisor to the President of the People's Republic of Congo and cooperates with the Congo mission (Patriarchate of Alexandria).

Andreas Tellos is a General Surgeon who maintains a private practice in Chalandri. He is a graduate of the Medical School of the University of Athens and has extensive experience in both the public and private sectors. Additionally, Dr. Tellos serves as an auxiliary surgeon at the Lavrio Health Center and actively participates in the on-call program and regular surgeries of the 2nd Surgical Clinic of the General Hospital of Athens “Sismanoglio.” He has worked as a resident and attending physician in the Surgical Clinic of “Sismanoglio,” and has also worked as a private physician in private clinics and diagnostic centers. Since 2025, he has maintained a private surgical office and collaborates with an experienced plastic surgeon. His scientific activities include participation in national and international conferences, with presentations on topics such as laparoscopic cholecystectomy, its complications, and the diagnosis of endocrine gland disorders. He is distinguished by his continuous education and commitment to providing high-quality surgical care.

Ioannis Alevizakis is a graduate of the Medical School of the University of Athens. Throughout his career, he has served for 10 consecutive years at the "Evangelismos" Hospital, initially specializing in Surgery and subsequently as a Consultant Surgeon. Since 2022, following a successful evaluation, he joined the Hellenic Coast Guard as a Medical Officer and currently serves as a Consultant Surgeon at the Athens Naval Hospital while also practicing as a Private Surgeon. He has experience across the full spectrum of diseases and surgical procedures in General Surgery, including Esophageal, Gastric, Duodenal, Pancreatic, Hepato-Biliary, Splenic, Small and Large Intestinal Surgery, Thyroid-Parathyroid, Adrenal, Breast, Skin-Subcutaneous, Vascular Access surgeries, and Abdominal Wall Hernia Repair Surgeries. He possesses particular expertise in Laparoscopic and Bariatric Surgery, having trained at the 3rd Surgical Clinic - Laparoscopic Surgery Unit of "Evangelismos" Hospital, performing a significant number of such surgeries and participating in numerous related post-graduate training activities both in Greece and abroad. He is a member of the most prominent Medical Scientific Societies related to General Surgery. He holds the title of Trainer from the Hellenic Surgical Society. He continuously participates in conferences in his specialty and has authored a large number of scientific publications.

Dimitris Gkiouzelis, MD, PhD, is a General Surgeon and Doctor of Medicine from the Medical School of the University of Athens. In the general surgeon's clinic, every patient has the opportunity to be informed about conditions related to Endocrine Surgery (Thyroid), Breast Surgery, the Digestive system, abdominal wall hernia surgery (Inguinal hernia, ventral hernia, umbilical hernia), and numerous other surgical conditions. Dr. Dimitris Gkiouzelis is the Director of the Surgical Clinic at the Athens Medical Center Group, Psychiko Clinic. He has served as Director of the Surgical Clinic at Bioclinic Piraeus and as Scientific Associate of the Surgical Department at Bioclinic Athens. He specializes in Advanced Laparoscopic Surgery / Minimally Invasive Surgery and Surgical Oncology. Furthermore, through continuous education, he manages cases involving the Surgical Treatment of Breast Cancer. He has extensive surgical experience, having performed over 4000 surgeries to date, with complete success. Finally, the doctor is a member of the Athens Medical Association, the British Medical Association, and the Hellenic Surgical Society, and collaborates with all private insurance companies.