Vascular surgeons - Angiologists

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.

Dr. Lymperopoulos Lampros, MD, MSc, PhD, is a Vascular Surgeon - Angiologist with private clinics in Patras, Athens, and Kyparissia, Messinia. He is a Consultant at Saint Thomas Hospital in London. He possesses extensive experience in the painless treatment of venous diseases using laser technology and in the assessment of the circulatory system through the use of Doppler and triplex ultrasound. The clinic offers all modern techniques for veins and treats venous and arterial conditions, varicose veins, telangiectasias, aneurysms, lymphedemas, and thromboses. Additionally, surgeries are performed for patients with kidney disease, as well as endovascular procedures.

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.

Kallinis Aristeidis is a Vascular Surgeon - Angiologist with a private practice in Korydallos and also offers home visits. He holds a postgraduate degree in health unit service management and a postgraduate degree in endovascular techniques. He completed further training at Ealing Hospital (Imperial College) in London and is a certified holder of a vascular ultrasound license. The doctor specializes in classical and endovascular surgery, as well as vascular ultrasounds. Additionally, he has extensive experience in conditions such as varicose veins, thrombosis, aneurysm, telangiectasias, phlebitis, embolism, among others. Finally, he is a member of the Hellenic Society of Vascular Surgery, the Hellenic Phlebological and Lymphological Society, and the Royal College of Phlebology in the United Kingdom.

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.

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.

Dr. Papasideris Xristos is a Vascular Surgeon - Angiologist, PhD holder from Democritus University of Thrace, maintaining private clinics in Marousi and Kallithea. He graduated from the Medical School of the University of Rome “La Sapienza” and holds a postgraduate diploma in "Vascular Surgery: Endovascular Techniques." He also completed advanced training at the Vascular Surgery Clinic of Heinrich – Heinle University in Düsseldorf, Germany. He has been a scientific associate at the Vascular Surgery Clinic of the University of Athens, the University General Hospital Attikon, as well as a collaborator and surgeon at private hospitals. During his specialty training, he worked at the Onassis Cardiac Surgery Center, Evangelismos Hospital, Konstantopouleio General Hospital of N. Ionia “Agia Olga,” and the University General Hospital of Alexandroupolis. Additionally, he teaches at the Medical School of the National and Kapodistrian University of Athens as part of the course ‘Vascular Surgery,’ has participated as a speaker in conferences and workshops, and has numerous presentations at international conferences and publications in internationally recognized journals. He is a member of the Hellenic Professional Association of Vascular Surgeons and a board member of the Angiology Society, the Hellenic Vascular Surgery Society, and the Union of EOPYY Physicians (ENI-EOPYY), serving as the General Secretary. Finally, he specializes in the latest minimally invasive endovascular techniques.

Dr. Tsoutsas Ioannis A is a Vascular Surgeon - Angiologist with a private practice in Vrilissia. He completed his medical studies at the Medical School of Rome (La Sapienza - Roma) and additional training in Vascular Ultrasound Imaging as well as Endovascular Surgery at the National and Kapodistrian University of Athens. He has worked as a Resident and Specialist Vascular Surgeon at the Attikon General Hospital of Attica "Sismanoglio" and currently serves as the Scientific Director of the Vascular Surgery Department at the "IASO" group. Furthermore, he possesses extensive experience in General Surgery from the Athens Polyclinic and the Athens General Hospital "Evangelismos," in Vascular Surgery from the Attikon General Hospital "Sismanoglio," and in Thoracic Surgery from the Athens General Hospital Hippocrates. He is a member of the Medical Association of Athens, the Medical Association of Livadia, the British Medical Association (NHS), the Hellenic Vascular Surgery Society (HVS), and the European Society of Vascular Surgeons (ESVS).

Dr. Konstantopoulos Theofanis MD, MSc, PhD is a Vascular Surgeon - Angiologist, Doctor of the Medical School of Athens, with a private practice in Mavili Square. He holds a Medical Degree from the Medical School of Aristotle University of Thessaloniki and the Military Officer School of Corps, and he received further training at Madigan Army Medical Centre in the United States of America. He specialized in General Surgery at the First Surgical Clinic of the 401 General Military Hospital of Athens and the First Surgical Clinic of the General Hospital of Athens "Sismanoglio." Additionally, he specialized in Vascular Surgery at the Vascular Surgery Clinic of the General Hospital of Athens "Sismanoglio" and completed a postgraduate program in Vascular Surgery and Endovascular Techniques at the Medical School of the National and Kapodistrian University of Athens. He is conducting his doctoral thesis on the "Study of angiogenesis factors during intermittent application of percutaneous electrical stimulation in patients with peripheral artery disease" at the Medical School of the National and Kapodistrian University of Athens. He is a Consultant at the Vascular Surgery Department of the 417 Nursing Foundation of the Army Pension Fund and has served as a Scientific Collaborator at the General Hospital of Rhodes. Finally, Dr. Konstantopoulos actively participates in numerous conferences and seminars in Greece and abroad as part of his continuous professional development.

Panagiotis Roukanas is a Vascular Surgeon - Angiologist and maintains his private practice in Nea Smyrni. He holds a degree from the Medical School of the National and Kapodistrian University of Athens and is a graduate of the inter-university postgraduate training program in "Endovascular Techniques" from the same University in collaboration with the University of Bicocca in Milan. He completed his military service as a Unit Physician and worked as a rural doctor at Zakynthos Hospital. He specialized in Thoracic Surgery at the Athens Chest Diseases Hospital "Sotiria" and in Cardiac Surgery at the General Hospital of Athens "Hippokration." Additionally, he trained in General Surgery at the Attica General Hospital KAT and in Vascular Surgery at the General Hospital of Athens "Laiko." He is specialized in the diagnosis and treatment of arterial and venous diseases using the most advanced methods, as well as in the treatment of diabetic foot and lymphedema. As part of his specialization, he participated in research programs in the field of Angiogenesis and the treatment of deep Venous Thrombosis. His scientific activity includes presentations at Greek and international conferences and publications in scientific journals. Since 2011, he has also been an affiliated physician at the BioClinic of Athens.

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.

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.

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.

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.