General surgeons

Ioannis Koutelidakis is a General Surgeon and maintains his private practice in Thessaloniki. He graduated from the Medical School of Aristotle University of Thessaloniki and fulfilled his rural service in his birthplace, Rethymno, Crete. He began his specialty training in General Surgery at the Air Force Hospital and completed it in April 2004 at the 2nd Surgical Clinic of Aristotle University of Thessaloniki, after which he was awarded the title of General Surgeon following examinations. The physician has been awarded a PhD from Aristotle University of Thessaloniki. Subsequently, he was appointed Lecturer at the Medical School of Aristotle University of Thessaloniki and assigned to the 2nd Surgical Clinic at "G. Gennimatas" Hospital. He has undergone further training in centers domestically and abroad (Scotland, Belgium, France) in laparoscopic surgery. He also attended the Endocrine Surgery Department at Hammersmith Hospital in London for one month and subsequently completed the annual endocrine surgery training program at Gemelli Hospital in Rome, where he received a Master's diploma in endocrine surgery. During the aforementioned program, he trained in thyroid and parathyroid surgery, both classical and minimally invasive, as well as adrenal surgery, both open and laparoscopic. He also gained training in cervical lymph node dissection for thyroid cancer cases. Simultaneously, he trained in cervical and thyroid ultrasonography and fine needle aspiration biopsy of the thyroid with ultrasound guidance. Upon his appointment as Lecturer, the physician actively participates in the clinical training of Medical School students in Surgery and the education of General Surgery residents, and he has contributed to Greek and international publications in Greek and international medical journals.

Paneris Panteleimon is a General Surgeon with a private practice in Patissia. He holds a degree from the School of Health Sciences at Semmelweis University in Budapest and completed his specialization in general surgery at the General Hospital of Athens "Evangelismos". The doctor has extensive experience in conditions such as hemorrhoids, hernia, intestinal bleeding, extended gastrectomy, condylomas, mastopathy, and anal fistula, and provides services including suture removal and laparoscopic hernia repair. He is an affiliated physician at the Errikos Dynan Hospital Center and the Palaiou Falirou Medical Center, and has served as an Assistant Surgeon at the 4th Surgical Clinic of the General Hospital of Athens "Evangelismos" and the Surgical Clinic of the General Hospital of Patissia. Additionally, he has participated in numerous conferences and academic publications and is a member of the Athens Medical Association.

Xatzialis Xalint is a General Surgeon who maintains a private practice in Petroupoli. The doctor has extensive experience in breast and vein diseases, as well as in laparoscopic surgery and laser surgery. In his clinic, he uses advanced technology lasers for treating telangiectasias, veins, skin regeneration, and hair removal. It is worth mentioning that the doctor has served for many years as a Director in the National Health System (ESY). Additionally, he is a graduate of the University of Athens and specializes in skin surgery, including tumors, malignancies, and plastic reconstructive procedures. Finally, he also possesses knowledge in plastic surgery, vascular surgery, pediatric surgery, and pathological anatomy.

Dr. Napoleon Xirokostas is a board-certified General Surgeon with subspecialty training in Laparoscopic, Robotic, and Oncologic Surgery. He maintains a private medical office in Rafina, Greece, and also serves as a Consultant Surgeon at the 1st Surgical Department of IASO General Hospital in Athens.

He completed his residency in General Surgery at Evangelismos General Hospital of Athens, the largest tertiary care and trauma center in Greece, where he also held the position of Chief Resident. Over the course of his training, he participated in more than 1,000 surgical procedures, including a wide spectrum of emergency, oncologic, and minimally invasive surgeries.

Dr. Xirokostas holds a Medical Degree (MD) from the Democritus University of Thrace and a Master of Science (MSc) in Advanced Laparoscopic and Bariatric Surgery from the National and Kapodistrian University of Athens.

He completed his mandatory rural medical service at the General Hospital of Kyparissia and previously served in the Greek Army as a General Medicine Doctor, providing medical assessments and basic life support instruction.

He has received extensive training in trauma surgery (DSTC), laparoscopic and robotic techniques, microsurgery, and emergency abdominal procedures. He is certified in ATLS, ALS, and has participated in numerous specialized surgical workshops and cadaveric dissection courses across Europe.

Dr. Xirokostas has an active academic presence, with several peer-reviewed publications and presentations at national and international surgical congresses.

He treats conditions including:

• Laparoscopic surgeries (cholecystectomy, hernias, appendectomy)

• Thyroid and parathyroid surgery

• Oncologic surgery (colorectal, gastric, skin/melanoma, soft tissue)

• Robotic surgery for complex abdominal cases

• Emergency trauma surgery and general surgical consults

His clinical approach is grounded in personalized care, evidence-based practice, and a strong commitment to patient safety and recovery.

Dr. Lazaros Lazarou is a General Surgeon, certified in surgical oncology of the colon and rectum, pancreas, stomach, liver, and thyroid gland, as well as in proctology, with specialized expertise in laparoscopic and robotic surgical procedures. He maintains a private medical practice in Volos, Greece. He studied and specialized in Germany, where he pursued a career in Surgery. He completed his residency at the Department of General, Visceral and Transplant Surgery of the University Hospital of Ulm, where in 2007 he obtained his Board Certification in General Surgery and was appointed Consultant Surgeon, while in 2010 he acquired the qualification in Advanced Visceral Surgery. In 2013, he was promoted to Deputy Director, and in 2015 to Associate Director of Surgery, with parallel responsibilities for the development of the 14 Centers of Excellence of the surgical department, including all oncological centers, as well as centers for inflammatory bowel disease, thyroid and parathyroid glands, hernia, and sarcoma. In 2017, he assumed the position of Director of General, Visceral, Thoracic and Transplant Surgery at the Stuttgart Hospital, which is a certified Oncology Cancer Center of the German Cancer Society (DKG) and a Transplant Center with 23 Centers of Excellence. At the same hospital, he also served as Scientific Coordinator and Medical Director, with responsibilities including: coordination of the Visceral Oncology Center (esophagus, stomach, pancreas, liver, colon and rectum, endocrine glands, peritoneal and other metastases, sarcoma), director of the Oncological–Visceral Tumor Board, delegate for the education of medical students at the Center for Surgical Medicine, transfusion officer of the department, coordinator of the research programs of the Visceral Oncology Center, officer responsible for quality assurance of the Department of General, Visceral, Thoracic and Transplant Surgery, as well as member of the committee of the German Cancer Society responsible for the certification of Centers of Excellence in Visceral and Oncological Medicine. Mr. Lazaros Lazarou returned to Greece with his family, aiming to offer his extensive surgical experience and scientific expertise acquired at leading German and European certified centers where he worked. His commitment focuses on personalized treatment based on Greek and international protocols, access to minimally invasive surgery, optimal surgical outcomes, absolute transparency and trust, as well as continuous education and innovation. Following a competitive selection process, he assumed the position of Coordinating Director of Surgery at the Volos Hospital, while simultaneously providing his services at his private practice and in private hospitals. His clinic focuses on minimally invasive surgical techniques (laparoscopic and robotic surgery) and specialized oncological surgery. Particular emphasis is placed on colorectal cancer, pancreatic cancer, as well as the surgical treatment of endocrine glands and proctology. Dr. Lazaros Lazarou is a member of distinguished German and Greek medical societies that play a leading role in his specialty and actively participates in their conferences and scientific activities. He has contributed to the authorship of studies published in prestigious international scientific journals and has delivered numerous lectures and presentations at international conferences.

Ziozia Vasiliki is a General Surgeon, Senior Registrar of the 1st Surgical Clinic at IASO and maintains a private practice in Nea Irakleio. She holds a degree from the Medical School of the National and Kapodistrian University of Athens and a Master's degree in "Surgical Anatomy" from the Medical School of the National and Kapodistrian University of Athens. Dr. Ziozia has received a scholarship from the Hellenic Surgical Society to obtain her postgraduate degree, as well as a scholarship from the Hellenic Society of Coloproctology for specialization in colorectal and anal surgery at St Thomas’ Hospital in London. She initially specialized in Surgery at the General Hospital of Rethymno and subsequently at the General Hospital of Athens "Evangelismos." During 2022-23, she served as a Senior Clinical Fellow in the Colorectal Department at St Thomas’ Hospital in London. Dr. Ziozia has participated in numerous conferences, seminars, and courses and has authored many publications, as well as oral and poster presentations. Finally, she is a member of the Hellenic Society of Coloproctology.

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.

Ο Ιατρός Διαμαντής Αλέξανδρος MD, MSc (Surgical Oncology), PhD είναι Γενικός χειρουργός και Διευθυντής του τμήματος Χειρουργικής Ανώτερου Πεπτικού - Ήπατος - Χοληφόρων - Παγκρέατος του Ιασώ Θεσσαλίας, όπου διατηρεί ιατρείο εντός της κλινικής. Είναι απόφοιτος της Ιατρικής Σχολής του Πανεπιστημίου Θεσσαλίας και έχει λάβει πολύμηνη μετεκπαίδευση στην Ρομποτική/Λαπαροσκοπική Χειρουργική στο San Raffaele University Hospital - Milan, Italy, ενώ έχει ολοκληρώσει και διετείς σπουδές στη Χειρουργική Ογκολογία στο Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών. Ο Ιατρός έχει στο ενεργητικό του περισσότερα από 3000 χειρουργεία μεσαίας και μεγάλης βαρύτητας. Κύριο πεδίο ενδιαφέροντος είναι η διερεύνηση και η αντιμετώπιση ασθενών με κακοήθειες πεπτικού (καρκίνος οισοφάγου και στομάχου, καρκίνος παχέος εντέρου, καρκίνος ήπατος - χοληφόρων, καρκίνος παγκρέατος), ενώ αριθμεί και πολυάριθμες επεμβάσεις σε όλο το φάσμα της γενικής χειρουργικής (Λαπαροσκοπική αποκατάσταση κηλών, Λαπαροσκοπική Χολοκυστεκτομή, Λαπαροσκοπική Σκωληκοειδεκτομή, αντιμετώπιση Αιμορροϊδοπάθειας και κύστη κόκκυγος με Laser). Άξιο να σημειωθεί πως στο Ιασώ Θεσσαλίας είναι σε θέση μαζί με τους συνεργάτες του να αναλάβει επείγοντα περιστατικά καθ’ όλη τη διάρκεια του 24ώρου (Σκωληκοειδίτιδα, Εκκολπωματίτιδα, Χολοκυστίτιδα, Κοιλιακό άλγος/Οξεία κοιλία, Ειλεός, Αποστημα κ.ο.κ.). Αντιμετωπίζει επιπλέον ασθενείς με τις παρακάτω Χειρουργικές παθήσεις: Χειρουργική Ογκολογία (τοποθέτηση Port-a-Cath, καρκίνος στομάχου, καρκίνο ήπατος - χοληφόρων - παγκρέατος, καρκίνος παχέος εντέρου, καρκίνος ορθού και καρκίνο μαστού, περιτοναϊκής καρκινωμάτωσης). Ρομποτική/Λαπαροσκοπική Χειρουργική (παθήσεις/όγκοι ήπατος, όγκοι στομάχου, όγκοι λεπτού και παχέος εντέρου όγκοι επινεφρθιδίων νοσογόνος παχυσαρκία). Χειρουργική των κηλών (Ρομποτική/Λαπαροσκοπική αποκατάσταση διαφραγματοκήλης - βουβωνοκήλης - μηροκήλης - κοιλιοκήλης - ομφαλοκήλης, δυνατότητα ανοιχτής αποκατάστασης κηλών με τοπική αναισθησία). Χειρουργική ενδοκρινών αδένων (παθήσεις θυρεοειδούς και παραθυρεοειδών, όγκοι επινεφριδίων). Ρομποτική/Λαπαροσκοπική χολοκυστεκτομή (χολολιθίαση, πολύποδας χοληδόχου κύστης).

Koutsogiorgas Paris is a General Surgeon and maintains a private practice in Psychiko, within the Psychiko Medical Center. He graduated from the Medical School of Aristotle University of Thessaloniki and completed his specialty training at the 2nd University Surgical Clinic of Laiko Hospital in Athens. He is an Associate of the most prominent private clinics, including Psychiko Clinic of the Athens Medical Group, Iaso General, Bioclinic, and Euroclinic. He has extensive experience across the full spectrum of General Surgery and Laparoscopic Surgery, with specialization in breast surgery and endocrine glands (thyroid and parathyroid glands), managing all related cases. He employs the most advanced medical technologies, with patient safety and health protection as his utmost priority. Furthermore, he has attended seminars at significant hospital centers in Europe, aiming for continuous education and updates in his field.

Tsakmakas Dimitrios is a General Surgeon specialized in all anorectal diseases (pilonidal cyst, anal fissure, fistulas) and maintains his private practice in Thessaloniki. He holds a degree from the Medical School of the University of Thessaly. He began his specialization in 2004 as a general surgeon at Panagia Hospital in Thessaloniki for six years. In 2010, he obtained his specialization in General Surgery and subsequently served as a Surgeon - Consultant in endocrine glands at the Department of Endocrine Surgery, Addenbrookes University Hospital, Cambridge, UK. He is affiliated with all private clinics in the city, including the Medical Interbalkan Center, Euromedica Blue Cross, Agios Loukas, Bioclinic Thessaloniki, Euromedica General Clinic, and Genesis Clinic. In March 2012, he earned his PhD from Aristotle University of Thessaloniki with a thesis entitled "Correlation of Oxidative Stress and Thyroid Diseases." He worked as a collaborator with Professor of Surgery at Aristotle University of Thessaloniki, Dr. Ioannis Kanellos, for one year and with the Director of Surgery at Panagia Hospital, Dr. Michail Naoum, until 2015, as well as collaborating with the former Director of the Surgical Clinic at General Hospital of Ioannina "G. Hatzikosta," Dr. Evangelos Tsimogiannis, from 2013 to the present.

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.

Spentzouris Nikolaos is a General Surgeon with a private practice in Kallithea. He graduated from the Medical School of the National and Kapodistrian University of Athens. He has served as the Scientific Head of the Surgical Department at the Medical Center of Paleo Faliro for several years. He has specialized in laparoscopic surgery, having performed a large number of laparoscopic procedures of varying complexity. Additionally, he has extensive experience in surgical oncology, having conducted and participated in numerous major oncological surgeries, starting from his tenure at the General Hospital of Athens "Hippokration," where he completed his specialty training, as well as at the Surgical Oncology Clinic of the Medical Center of Paleo Faliro and Psychiko, where he served as a general surgeon. Finally, he has participated in numerous national and international conferences in Greece and abroad and is a member of the Piraeus Medical Association and a regular member of the Hellenic Surgical Society.

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).

Goulopoulos Thomas is a General Surgeon with private practices in Karditsa and Trikala. Simultaneously, he serves as a Specialist Scientist on the nationwide examination committees for professional training certification under the Ministry of Education. He studied at the Medical School of Varna and subsequently obtained degree equivalency through examinations at the Medical Departments of the University of Crete and Aristotle University of Thessaloniki. He specialized in General Surgery at the General Hospital of Athens "Elpis." He was accepted into the University Surgical Clinic of Sigmaringen in Germany, where he specialized in colorectal cancer; this clinic is part of the University of Tubingen. He continued his specialty training at the Transplantation Center of Hippocrates Hospital in Thessaloniki, participating in both kidney and liver transplantations, which at that time were conducted exclusively there. He trained in London at the Liver Research Foundation, specializing in hepatocellular carcinoma. Throughout his training and concurrently, he participated in numerous conferences with a wide range of presentations and publications. He remains at the forefront of advancements, continuously monitoring every new scientifically validated interventional method and treatment in his specialty.

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.

Stefanou Xristos MD, MSc, PhDc is a Breast Surgeon specializing in the full spectrum of breast diseases, from prevention and diagnosis to the most advanced surgical procedures.

Particular emphasis is placed on detailed patient education and a personalized approach to each patient, aiming for the best possible therapeutic outcome and maintenance of quality of life.

He continuously follows advancements in the field of breast surgery by participating in conferences and educational seminars.

He holds two postgraduate degrees (University of Patras, Aristotle University of Thessaloniki) and is a PhD candidate at the University of Ioannina.

Additionally, he is a member of the Scientific Mastology Society "Ia?si St?rixi" (EMEIS) and provides his surgical services free of charge to indigent breast cancer patients. He also participates in the Society's initiatives to raise public awareness about breast cancer and to conduct examinations of women in remote regions of Greece.