General surgeons

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.

Dr. Anastasios Aggelou MD, PhD, MSc. is a General Surgeon specialized in Advanced Laparoscopic and Robotic Surgery, minimally invasive techniques, as well as Emergency Surgery. He holds a doctoral degree with honors from the Medical School of the National and Kapodistrian University of Athens. He has received further training at leading international centers, including the Cleveland Clinic Foundation and Ohio State. He maintains a private practice in Agia Paraskevi and performs surgeries at private hospitals in Athens.

Dr. Syrianos Kaxlan is a General Surgeon and maintains a private practice in Kozani where he offers a comprehensive range of general surgery services. He provides specialized surgical solutions for various conditions. His approach focuses on patient-centered care, ensuring that the patient receives the best possible treatment and support throughout the surgical process.

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.

Ms. Kitsou Xristina is a Vascular Surgeon - Endocrine Surgeon and maintains her practice in Kolonaki. She is a graduate of the Medical School of the National and Kapodistrian University of Athens and specializes in Venous Surgery and Endocrine Surgery. Venous surgery for lower limb venous insufficiency concerns varicose veins and can be treated conservatively (sclerotherapy injections, Foam, and non-invasive Laser) as well as surgically (Laser, RF). The common feature of all conservative methods is that the patient continues their normal activities while undergoing treatment, whereas surgical methods require the patient to refrain from work for 1 to 2 days and typically involve a 24-hour hospital stay. Endocrine surgery concerns the thyroid and parathyroid glands. Surgical intervention is performed only upon indications set by the Endocrinologist and with the consent of the Surgeon. The incision made is small and analgesics are not required during the usually one-day hospitalization. In this case, the patient will need to abstain from work for 1 to 2 days.

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.

Paraskeua Aikaterini MD, MSc, PhD(c) is a General Surgeon and maintains private practices within Mediterraneo Clinic in Glyfada and the Ionia Therapeutic Center in Korydallos, Attica. She holds a degree from the Medical School of Aristotle University of Thessaloniki (AUTh) and has earned a Master of Science (MSc) degree in "Surgical Oncology." Currently, she is a PhD candidate in the Medical School of the University of Thessaly. Dr. Paraskeua Aikaterini has trained as a General Surgery resident at the General Hospital of Athens "Evangelismos" as well as at the General Hospital of Drama. She is an active member of the Athens Medical Association and the Hellenic Society of Endoscopic Surgery.

Voulgaris Sotiris is a General Surgeon with a private practice located in Ilisia. He is a graduate of the Medical School of the University of Ioannina and holds a postgraduate diploma in Minor Pelvic and Perineal Surgery from the Medical School of the University of Thessaly. Additionally, he has completed postgraduate studies in Surgical Oncology at the Medical School of the National and Kapodistrian University of Athens. He is currently working as a Surgeon - Consultant at the Athens Medical Center. His practice encompasses the full spectrum of general surgery cases, with a specialization in laparoscopic surgery, colorectal surgery, and hernia surgery.

O Αθανάσιος Ξάκης γεννήθηκε στον Πολύγυρο Χαλκιδικής στις 22 Ιανουαρίου του 1994. Φοίτησε με αθλητική και ακολούθως μαθητική υποτροφία στο λύκειο των Εκπαιδευτηρίων Μαντουλίδη από όπου και τελικώς αποφοίτησε με άριστα το 2011. Κατά τη διάρκεια της μαθητικής του πορείας έλαβε αποδοχές και υποτροφίες για φοίτηση σε διακεκριμένα πανεπιστήμια των Ηνωμένων Πολιτειών της Αμερικής και του Ηνωμένου Βασιλείου. 

Σπούδασε Ιατρική στο Πανεπιστήμιο Ιωαννίνων. Κατά τη διάρκεια των σπουδών του υπήρξε μέλος του Εργαστηρίου Ανατομίας, υπεύθυνος για την εκπαίδευση και την ένταξη νέων φοιτητών ιατρικής καθώς επίσης συμμετείχε σε πληθώρα σεμιναρίων και παρουσιάσεων σε διεθνή συνέδρια. 

Μετά το πέρας των σπουδών του πραγματοποίησε Κλινική Άσκηση στη Χειρουργική στο Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada στην Yogyakarta της Ινδονησίας καθώς επίσης και Κλινική Άσκηση στην Αγγειοχειρουργική στο University Medical Centre Utrecht στην Ουτρέχτη της Ολλανδίας. 

Εργάστηκε ως ειδικευόμενος Χειρουργικής στο Γενικό Νοσοκομείο Σερρών για 2 έτη και στη συνέχεια στο Γενικό Νοσοκομείο Θεσσαλονίκης Γ. Παπαγεωργίου για 4 έτη, από όπου και έλαβε τον τίτλο ειδικότητας. Κατά τη διάρκεια της ειδικότητας του συμμετείχε και σε πληθώρα χειρουργείων ως βοηθός χειρουργός του Τμήματος Χειρουργικής Ήπατος Χοληφόρων-Παγκρέατος της Κλινικής Άγιος Λουκάς, στο Πανόραμα Θεσσαλονίκης. 

Μετά την ολοκλήρωση της ειδικότητας μετεκπαιδεύτηκε στη Χειρουργική Ήπατος, Χοληφόρων, Παγκρέατος & Μεταμοσχεύσεων Ήπατος στο Organ Transplantation Center, China Medical University Hospital στην Taichung της Ταϊβάν. 

Από τον Αύγουστο του 2025 εργάζεται ως Επιμελητής Χειρουργός στο Γενικό Νοσοκομείο Θεσσαλονίκης Γ. Παπανικολάου ενώ παράλληλα αποτελεί Συνεργάτη Χειρουργό της Κλινικής Άγιος Λουκάς. 

Είναι μέλος του Ιατρικού Συλλόγου Θεσσαλονίκης (ΙΣΘ), της European Association for Endoscopic Surgery and other Interventional Techniques (EAES) και της Ελληνικής Εταιρείας Τραύματος και Επείγουσας Χειρουργικής (ΕΕΤ&ΕΧ), ενώ υπήρξε και μέλος Οργανωτικών Επιτροπών μεγάλου αριθμού τοπικών και διεθνών Συνεδρίων και Ημερίδων. 

Είναι κάτοχος του Μεταπτυχιακού Διπλώματος Ειδίκευσης στη Χειρουργική Ογκολογία του Πεπτικού Συστήματος του Αριστοτελείου Πανεπιστήμιου Θεσσαλονίκης και υποψήφιος κάτοχος του Μεταπτυχιακού Διπλώματος Ειδίκευσης στον Καρκίνο του Παγκρέατος του Πανεπιστημίου Θεσσαλίας.

Έχει παρακολουθήσει πληθώρα σεμιναρίων και συνεδρίων τόσο διεθνών όσο και του εξωτερικού, έχει παρουσιάσει ως ομιλητής σημαντικό αριθμό προφορικών ανακοινώσεων με αντίστοιχες τιμητικές διακρίσεις και βραβεία ενώ έχει συμμετάσχει και στη δημοσίευση επιστημονικών άρθρων σε διακεκριμένα περιοδικά του εξωτερικού.

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.

Αργύριος Λ. Ιωαννίδης MD, PhD, FACS, FASCRS - Γενικός Χειρουργός

Επιμελητής Χειρουργός Κλινικής Γενικής, Λαπαροσκοπικής, Ογκολογικής και Ρομποτικής Χειρουργικής, Ιατρικό Κέντρο Αθηνών 

Επίκουρος Καθηγητής Κλινικής Χειρουργικής, Ευρωπαϊκό Πανεπιστήμιο Κύπρου

Ειδικεύτηκε στη Γενική Χειρουργική στο Γενικό Νοσοκομείο Αττικής "Σισμανόγλειο" και στο Digestive Disease Center του Cleveland Clinic της Florida των ΗΠΑ με υποτροφία της Ελληνικής Χειρουργικής Εταιρείας. Είναι Διδάκτωρ της Ιατρικής Σχολής του Πανεπιστημίου Αθηνών. Είναι Fellow μετά από κρίση του American College of Surgeons (ACS) και του American Society of Colon and Rectal Surgeons (ASCRS). Έχει διατελέσει εκπρόσωπος των νέων χειρουργών παχέος εντέρου και ορθού της Ευρώπης στην Επιτροπή Μελών του European Society of Coloproctology (ESCP). Έχει εκπαιδευτεί στο Μιλάνο και στη Βιέννη στις τεχνικές TransAnal Minimally Invasive Surgery (TAMIS) και σε όλες τις νεότερες τεχνικές αντιμετώπισης περιεδρικών συριγγίων αντίστοιχα. Το ερευνητικό του ενδιαφέρον αφορά κυρίως τον καρκίνο του ορθού, τη χειρουργική υπό φθορίζουσες ουσίες και τα μεσο-μακροπρόθεσμα αποτελέσματα της λαπαροσκοπικής και ρομποτικής χειρουργικής στις παθήσεις παχέος εντέρου και ορθού. Έχει διατελέσει υπεύθυνος για την Ελλάδα σε περισσότερες από 10 διεθνείς πολυκεντρικές μελέτες με τις αντίστοιχες δημοσιεύσεις σε περιοδικά μεγάλου κύρους όπως τα Lancet, Anaesthesia και British Journal of Surgery. Είναι κριτής σε 11 περιοδικά χειρουργικής και μέλος του εκδοτικού συμβουλίου στα Nature Scientific Reports, Frontiers in Surgery και Colorectal Disease. Έχει συγγράψει πάνω από 120 άρθρα-δημοσιεύσεις σε ξενόγλωσσα περιοδικά με περισσότερες από 2500 αναφορές. Επίσης έχει συμμετάσχει ως ομιλητής σε περισσότερα από 20 Ελληνικά και Διεθνή Συνέδρια και έχει γράψει 2 κεφάλαια συγγραμμάτων χειρουργικής.

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.

Dr. Konstantina Rekouna is a General Surgeon specialized in Endocrine Surgery, with extensive experience in thyroid and parathyroid surgeries. She graduated from the Medical School of the University of Athens and became a certified general surgeon after successful board examination on 2024, after completion of her specialty training at the General Hospital of Athens "Evaggelismos".

She offers a wide range of services in general surgery, including:

• Patient consultation for surgical conditions

• Thyroid and parathyroid surgeries

• Laparoscopic surgery (gallbladder, hernias, etc.)

• Minor surgeries such as mole, lipoma, cyst, and skin lesion removal.

Dr. Konstantina Rekouna places great emphasis on providing clear, scientifically informed explanations to patients, ensuring they fully understand their condition and treatment options. She aims to create an environment of trust, respecting the individual needs of each patient.

She is actively involved in National and International Surgical Conferences and also contributes to education as an instructor in neuromonitoring seminars, staying up-to-date with the latest advancements in the field.

Ο Καβαλιεράτος Γιώργος είναι Γενικός Χειρουργός και Επιμελητής ΕΣΥ του Γενικού Αντικαρκινικού - Ογκολογικού Νοσοκομείου Αθηνών "Άγιος Σάββας". Ολοκλήρωσε τις σπουδές του στην Ιατρική στο Πανεπιστήμιο Πατρών και είναι κάτοχος μεταπτυχιακού από το Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών.

Είναι μέλος του Ιατρικού Συλλόγου Αθηνών και έχει εξειδικευτεί στη χειρουργική ογκολογία μαστού, με πληθώρα εμπειρίας σε μαστεκτομές, ογκεκτομές, βιοψία φρουρού λεμφαδένα και λεμφαδενικό καθαρισμό αλλά και στην λαπαροσκοπική χειρουργική κηλών. Αναλαμβάνει περιστατικά που αντιμετωπίζονται με ελάχιστα επεμβατικές τεχνικές και χειρουργικής ογκολογίας. Η διεκπεραίωση τυχόν επεμβάσεων γίνεται αποκλειστικά στο δημόσιο νοσοκομείο. Ο Καβαλιεράτος Γιώργος συνδυάζει την υψηλή εμπειρία που έχει αποκτήσει από το δημόσιο σύστημα, με τον σεβασμό στον ποιοτικό χρόνο που απαιτεί ο ασθενής για να λύσει τις απορίες του, πάντα με πίστη στο δημόσιο σύστημα υγείας.

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.

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.