Vascular surgeons - Angiologists

Georgios Xatzantonis is a vascular surgeon-endovascular surgeon. He trained at one of the largest centers for diabetic foot management and vascular access (fistula) in Germany and specializes in innovative endovascular techniques, having performed over 2,000 related procedures on hemodialysis patients in Germany and Greece. He is the head of the Vascular Access Center at Errikos Dunant Hospital, as well as the head of the Vascular Access Department at the 2nd Vascular Surgery Clinic, National and Kapodistrian University of Athens, at GNA “Laiko” Hospital. Mr. Xatzantonis is the pioneer behind the establishment of the first vascular access center in Greece, recognized by the international Vascular Access Society as a training center for vascular access surgery for hemodialysis patients. Finally, the physician is a scientific collaborator at Errikos Dunant Hospital, Mediterraneo Hospital, and GNA “Laiko” Hospital.

Dr Med Galanis Nektarios is a Vascular Surgeon maintaining private vascular surgery clinics in Athens and Chalkida. He holds degrees in Medicine and Radiation Protection and is a Doctor of the Medical School of Ulm in Germany. He has been trained in vascular diagnostic ultrasound, endovascular techniques, and endovenous laser ablation techniques for varicose veins. He possesses extensive clinical experience, having worked for 18 consecutive years (2003-2020) in clinics abroad in Germany and Switzerland, and since March 2020, he has been professionally active in Greece.

The vascular surgeon has performed more than 4,500 procedures both abroad and in Greece.

Since 2020, after his repatriation, he has served as the Director of the 1st Vascular Surgery Clinic at "IASO Thessaly". From October 2022, for three consecutive years, he was the director of the 5th Vascular Surgery Clinic at "Metropolitan General", and since September 2025, he has been directing the 2nd Vascular Surgery Clinic at "White Cross - The Athens Clinic" in Athens.

From 2021 for three consecutive years, he has been a scientific associate at the Institute of Anatomy of the Medical School of Aristotle University of Thessaloniki, where he taught Anatomy to medical students. Since September 2025, he continues his academic and teaching activities at the same school, now holding the position of Assistant Professor of Medicine at AUTh Medical School.

Additionally, during the academic year 2024–2025, he served as a scientific associate in the Anatomy Laboratory of the Medical School of the National and Kapodistrian University of Athens.

Tziogios Konstantinos is a Vascular Surgeon - Angiologist with a private practice in Agia Paraskevi. He holds a PhD and a degree from the University of Rome and is specialized in endovascular arterial surgery, endovascular venous surgery, and telangiectasias. Furthermore, the doctor has extensive experience in the painless removal of unsightly varicose veins using the new 1470 nm laser and the revolutionary radial fiber, carotid artery stenosis repair, restoration of circulation in the upper and lower limbs, and the removal of aneurysms of the abdominal aorta, iliac, femoral, and popliteal arteries. He has served as Director, Scientific Director, and collaborator of the vascular surgery clinic at the Athens Medical Center, Palaio Faliro Clinic, and is currently the Director of the Vascular Surgery Clinic at Metropolitan Hospital.

Pappas Euaggelos is a Vascular Surgeon – Angiologist and maintains his private practice in Volos. He is a graduate of the Medical School of Aristotle University of Thessaloniki, holds a Master's Degree in "Endovascular Techniques," and is a PhD candidate at the University of Athens. He specialized for 3 years in general surgery at the 2nd Surgical University Clinic of Aristotle University of Thessaloniki and for 4 years in vascular surgery at the 2nd Surgical University Clinic of the University of Athens. Noteworthy is the doctor's specialization in endovascular arterial surgery, laser treatment of varicose veins, and nephrology fistulas.

Doundoulakis Konstantinos is a Vascular Surgeon - Angiologist with a private practice in Ilisia. He graduated from the Medical School of Health Sciences at the National and Kapodistrian University of Athens, specializing in Vascular Surgery under the Medical Association of North Rhine-Westphalia, Germany. He trained as a General Surgery Surgeon at the General Hospital of Piraeus, Tzaneio, and specialized in General Surgery and Vascular Surgery at Ludmillenstift Krankenhaus Meppen. He has worked as a Vascular Surgeon at the Vascular Surgery Clinic of Elisabeth Krankenhaus Essen, as a consultant in the Second Vascular Surgery Clinic at Uniklinik Magdeburg, and in the First Vascular Surgery Clinic at Klinikum Brandenburg an der Havel. From 2020 to 2024, he served as a Consultant in the First Vascular Surgery Clinic at the "Errikos Dynan" Hospital, where he currently holds the position of Deputy Director. Finally, in his practice, he manages cases across the full spectrum of vascular surgery and angiological conditions, with noted expertise in endovascular vein surgery, nephropathy fistulas, and arterial diseases.

Vascular surgeon Papadakis Manolis is specialized in classical endovascular vascular surgery and maintains a clinic in Heraklion, Crete. Among others, the surgical services provided include treatment of varicose veins and telangiectasias with laser and foam, endovascular therapy of carotid arteries and aneurysms, arterial and venous diseases. The vascular surgeon is responsible for a range of conditions such as: varicose veins, thrombophlebitis, phlebitis, telangiectasias, treatments for phlebitis, venous thrombosis, thrombophilias, laser applications, classical and endovascular vascular surgery, venous insufficiency, lower limb edema, post-thrombotic syndrome, lymphedema, management of aneurysms, abdominal aortic aneurysm, thoracic aortic aneurysm, carotid artery stenosis, stroke, peripheral vascular disease, arterial stenosis, diabetes mellitus, diabetic foot and ulcer.

Vakalopoulos Paulos MD, MSc is a Vascular Surgeon - Angiologist, former Director of the Vascular Surgery Clinic at the Naval Hospital of Athens, and Director of the 2nd Vascular Surgery Clinic at Mediterraneo Hospital in Glyfada. He is a graduate of Military Medicine (SSAS), which trains Medical Officers of the Armed Forces who simultaneously attend the Medical School of Aristotle University of Thessaloniki. This dual qualification was achieved with considerable effort, while his continuous education and many years of experience, both at the Naval Hospital of Athens and other units of the Navy, as well as in the private sector, have entrusted him with duties and responsibilities requiring expert knowledge of modern medical technology and decisiveness in daily patient care. His pursuit of advancement in medical science and technology was fulfilled through his postgraduate training in Endovascular Vascular Surgery and Vascular Triplex at Imelda Hospital in Bonheiden, Belgium (2005). Numerous cases employing pioneering methods formed his daily training under the guidance of the Director of the Vascular Surgery Clinic, Patrick Peeters. The determination of his mentor translated into trust for the trainee, resulting in a more comprehensive and effective education. His expertise in Vascular Ultrasound led him to attain a Master’s degree (2016) from the Medical School of the University of Thessaly, completed with distinction ("Excellent"). Ongoing education in new interventional methods using the latest and advanced innovative materials propelled him to earn a Master’s degree (2012) from the Medical School of the University of Athens, completed with distinction ("Excellent"). In the aforementioned Intergovernmental Postgraduate Program "Endovascular Techniques," he is an invited Professor, presenting the latest developments from clinical studies and interesting cases related to the Endovascular repair of Abdominal Aortic Aneurysms.

Nikolopoulos Euaggelos is a Vascular Surgeon - Angiologist MD, MSc, maintaining private practices in Neo Irakleio, Attica, and Vathy, Samos. He graduated from the Medical School of Democritus University of Thrace and is a Scientific Collaborator at the University Vascular Surgery Clinic of the same university. He is the Chief Vascular Surgeon at Metropolitan Hospital and has served as a Vascular Surgeon Consultant at the Athens Bioclinic. His core principles are: developing an excellent collaborative relationship between physician and patient, providing analytical, clear, and comprehensive information to the patient regarding their condition and treatment options, and ensuring absolute documentation of therapeutic recommendations based on current literature and the latest guidelines from the European Society for Vascular Surgery.

Ksiromeritis Konstantinos MD, MSc, PhD is a Vascular Surgeon - Angiologist with private practices in Ilisia and Cholargos. He holds a medical degree from the Medical School of the National and Kapodistrian University of Athens and completed his specialty training in Vascular Surgery at the First Surgical Clinic of the University of Athens at the General Hospital "Laiko." Dr. Ksiromeritis received further training at the University of Munich as a specialized vascular surgeon at the Klinik für Gefäßchirurgie, Klinikum rechts der Isar der Technischen Universität München. Ksiromeritis Konstantinos specializes in Vascular and Endovascular Surgery - Treatment of Varicose Veins with Endovenous Laser. Additionally, he has contributed to the authorship of textbooks on Surgery and Anatomy, as well as a significant number of scientific publications in Greek (4) and international (29) journals. In the context of continuous professional development, Dr. Ksiromeritis consistently attends numerous educational seminars, emphasizing that medical guidelines, proposals, or advice must invariably adhere to the principles of evidence-based medical science.

Dr. Melas Mixail is a Vascular Surgeon with private practices in Piraeus and Agia Paraskevi, while also evaluating patients at the Medical Center of Peristeri and the Bioclinic of Athens. He holds a postgraduate degree in Endovascular Surgery from the National and Kapodistrian University of Athens. The doctor specializes in endovascular arterial surgery, endovascular venous surgery, classical surgery, and telangiectasias, including the restoration of arterial stenoses, carotid arteries, venous insufficiency (phlebitis), as well as the placement of permanent catheters for hemodialysis and fistulas with remarkable outcomes. Additionally, the doctor has significant experience in the treatment of phlebitis, varicose veins, carotid stenosis, aneurysms - stents, peripheral arterial disease, diabetic ulcers (diabetic foot), vascular ultrasound, laser applications, classical and endoluminal vascular surgery, and grafts in patients with kidney disease. It is noteworthy that the doctor has served as an attending physician at the General Hospital of Athens "Evangelismos." Finally, he is a collaborator of the Bioclinic of Athens and has undergone further training in major hospitals abroad as well as clinics in Athens and Piraeus.

Ο ιατρός Παπανάγνου Ανέστης MD είναι Aγγειοχειρούργος - Aγγειολόγος με ιδιωτικό ιατρείο στον Άλιμο. Διαθέτει πτυχίο Ιατρικής από την Ιατρική Σχολή του Αριστοτελείου Πανεπιστημίου Θεσσαλονίκης, εκπαίδευση σε μεγάλα νοσοκομεία των Αθηνών και μετεκπαίδευση στην Κλινική Αγγειακής και Ενδαγγειακής Χειρουργικής στο Πανεπιστημιακό Νoσοκομείο Leicester Royal Infirmary στο Ηνωμένο Βασίλειο. Ο γιατρός έχει πολυετή επαγγελματική εμπειρία σε Νοσοκομεία στην Ελλάδα και στο εξωτερικό ( Ηνωμένο Βασίλειο, Σαουδική Αραβία ). Σήμερα, είναι συνεργάτης ιδιωτικών κλινικών και Νοσοκομείων της Αθήνας. Ο γιατρός είναι μέλος σημαντικών ιατρικών εταιρειών, ελληνικών και διεθνών, και συμμετάσχει σε πληθώρα ιατρικών συνεδρίων, συμποσίων και ημερίδων, ελληνικών και διεθνών. Στο ιδιωτικό του ιατρείο αντιμετωπίζει παθήσεις πάνω σε όλο το φάσμα της αγγειολογίας - αγγειοχειρουργικής και παρέχει εξειδικευμένες υπηρεσίες στις εξατομικευμένες ανάγκες των ασθενών του.

Giannopoulos Argyris MD, PhD, FRCS (Eng) is a Vascular Surgeon - Angiologist with a private practice in Thessaloniki, while also serving as Honorary Director at University College London Hospital, where he performs surgeries and monitors the latest advancements in Vascular Surgery. He holds a Doctorate in Medicine from Imperial College London and is a graduate of the Medical School of Aristotle University of Thessaloniki. He has extensive specialization and postgraduate training in endovascular surgery in London. He is specialized in complex aortic aneurysms, carotid artery disease, and has significant experience in laser vein treatments, where he serves as an instructor at medical conferences. He has numerous publications in international medical journals and is a member of the Editorial Board of international Vascular Surgery journals. Finally, he is a member of many medical societies and scientific associations.

Ο Αγγειοχειρουργός Dr. Μπαζίγος Γεράσιμος είναι Διδάκτωρ της Ιατρικής Σχολής του Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών και διατηρεί ιδιωτικά ιατρεία στις Αχαρνές και την Ραφήνα. Αποφοίτησε το 2000 από την Ιατρική Σχολή του Πανεπιστημίου «BRESCIA» της Ιταλίας με γενικό βαθμό πτυχίου «Άριστα». Το 2001 απέκτησε άδεια ασκήσεως επαγγέλματος στην Ιταλία έπειτα από μεταπτυχιακή εκπαίδευση στο «Πανεπιστημιακό Νοσοκομείο BRESCIA» της Ιταλίας. Τον Ιούλιο του 2007 απέκτησε την ειδικότητα της Γενικής Χειρουργικής στην Α’ Χειρουργική Κλινική (2004 - 2007) του νοσοκομείου «Ν.Ι.Μ.Τ.Σ. Αθηνών». Στη συνέχεια, εξειδικεύτηκε για 4 έτη στην Αγγειακή και Ενδαγγειακή Χειρουργική, για την απόκτηση της ειδικότητας της Αγγειοχειρουργικής, στο «Γ.Ν.Α. Σισμανόγλειο» (2009 - 2013). Από το 2012 είναι κάτοχος Διακρατικού Μεταπτυχιακού Τίτλου σπουδών (ΜSc) με βαθμό «Άριστα», με αντικείμενο στις «Ενδαγγειακές Τεχνικές» στην Αγγειοχειρουργική, της Ιατρικής Σχολής του «Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών» και του «Πανεπιστημίου Bicocca» του Μιλάνο. Από το 2015 είναι κάτοχος διδακτορικού μετά την υποβολή της διδακτορικής του διατριβής (PhD) με τίτλο: «Επίδραση αντιοξειδωτικών και αντιφλεγμονωδών ουσιών και συνδυασμός αυτών σε κατάσταση ισχαιμίας - επαναιμάτωσης άνω μεσεντερίου αρτηρίας, στους νεφρούς», της Ιατρικής Σχολής του «Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών». Πειραματική μελέτη σε επίμυες η οποία αξιολογήθηκε με «Άριστα» και αναγόρευση σε διδάκτορα (Dr) της Ιατρικής σχολής του «Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών». Είναι Επιστημονικός Συνεργάτης στα νοσοκομεία «ΘΕΡΑΠΕΥΤΗΡΙΟ ΑΘΗΝΩΝ», «ΑΤΤΙΚΟ ΘΕΡΑΠΕΥΤΗΡΙΟ» και «HOSPITALITY CLINIC». Έχει εξειδίκευση στην διαχείριση και θεραπεία της καρωτιδικής νόσου, των ανευρυσμάτων της κοιλιακής αορτής και της περιφερικής αρτηριοπάθειας των κάτω άκρων και στην χειρουργική των φλεβών και την αποκατάσταση τους, μετά από εμφάνιση κιρσών και ευρυαγγειών, τόσο με την κλασική όσο και την ενδαγγειακή χειρουργική. Από το 2013 δραστηριοποιείται στον ιδιωτικό τομέα. Είναι πλήρες μέλος της Ευρωπαϊκής Αγγειοχειρουργικής Εταιρείας και πάρεδρο μέλος της Ελληνικής Αγγειοχειρουργικής Εταιρείας.

Kakogianni Vasiliki is a Vascular Surgeon - Angiologist and maintains private clinics in Marousi, Keratsini, and Menidi. She holds a postgraduate degree in "Endovascular Techniques" from the National and Kapodistrian University of Athens and a medical degree from the Medical School of the University of Patras. Additionally, she is certified in Advanced Trauma Life Support (ATLS) by the Greek ATLS Program of the University of Patras and is specialized in endovascular artery surgery and telangiectasias. During her professional career, she has worked in numerous hospitals as a trainee and as a Consultant, gaining significant experience in a wide range of diseases. Specifically, she possesses valuable expertise in conditions such as varicose veins, venous insufficiency, abdominal aortic aneurysm, carotid artery stenosis, and peripheral arterial disease of the lower limbs. Finally, she actively participates in numerous seminars, two-day conferences, as well as Greek and international congresses.