Dr. Nikolaos Koumallos PhD, FRCS(CTh), MSc
Cardiac Surgeon
Director of El Greco Cardiothoracic Center
Δρ. Νικόλαος Κούμαλλος, Καρδιοχειρουργός
Διευθυντής El Greco Cardiothoracic Centre
Διδάκτωρ Πανεπιστημίου Αθηνών
Dr. Nikolaos Koumallos was born in Nicosia in 1975 and comes from Koma tou Yialu, Famagusta District. After completing his military service, he pursued medical studies at the Aristotle University of Thessaloniki. He is a certified Cardiac Surgeon and a Fellow of the Royal College of Surgeons of England. Dr. Koumallos received advanced training at the University Hospital of South Manchester in the United Kingdom and St. Michael’s Hospital at the University of Toronto in Canada. He has specialized expertise in aortic surgery, mitral valve repair, and the treatment of complex heart diseases. With extensive international experience spanning the United Kingdom, Canada, and Greece, Dr. Koumallos has performed more than 3,000 cardiac operations across the full spectrum of cardiac surgery, thoracic surgery, and heart and lung transplantation.
Dr. Koumallos is a distinguished Doctor of Medicine from the Medical School of the University of Athens, with an impressive body of research and publications to his name. He serves as an editor for prestigious international medical journals and has received numerous international awards for his work. In addition to holding two postgraduate degrees, he has been an active participant in Greek and international conferences as a chairman or speaker. Dr. Koumallos is also deeply committed to medical education, having trained medical students and residents both in Greece and abroad. He is currently an associate of the Medical School of the University of Athens.
Ο Δρ. Νικόλαος Κούμαλλος γεννήθηκε στην Λευκωσία το 1975 και κατάγεται από την Κώμα του Γιαλού της Επαρχίας Αμμοχώστου. Μετά την στρατιωτική του θητεία σπούδασε Ιατρική στο Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης. Είναι πιστοποιημένος Καρδιοχειρουργός από το Κολλέγιο Χειρουργών Αγγλίας (Fellow of the Royal College of England). Εκπαιδεύτηκε στο University Hospital of South Manchester στο Ηνωμένο Βασίλειο και στο St Michaels Hospital-University of Toronto στον Καναδά. Έχει εξειδικευθεί στην χειρουργική αορτής, στην επιδιόρθωση μιτροειδούς και στην αντιμετώπιση σύμπλοκων καρδιοπαθειών. Με εκτενή διεθνή εμπειρία στο Ηνωμένο Βασίλειο, τον Καναδά και την Ελλάδα, ο Δρ Κούμαλλος έχει πραγματοποιήσει περισσότερες από 3.000 καρδιοχειρουργικές επεμβάσεις που καλύπτουν όλο το φάσμα της καρδιοχειρουργικής, της χειρουργικής θώρακος και της χειρουργικής μεταμοσχεύσεων καρδιάς και πνευμόνων.
Ο Δρ. Κούμαλλος είναι αριστούχος Διδάκτωρ της Ιατρικής Σχολής του Πανεπιστημίου Αθηνών με πλούσιο συγγραφικό και ερευνητικό έργο. Είναι εκδότης έγκριτων διεθνών ιατρικών περιοδικών και εργασίες του έχουν βραβευθεί διεθνώς. Διαθέτει δύο μεταπτυχιακά και έχει συμμετάσχει σε μεγάλο αριθμό ελληνικών και διεθνών συνεδρίων ως πρόεδρος ή ομιλητής. Έχει επίσης συμμετάσχει ενεργά στην εκπαίδευση φοιτητών ιατρικής και ειδικευομένων τόσο στην Ελλάδα όσο και στο εξωτερικό και είναι συνεργάτης της Ιατρικής Σχολής του Πανεπιστημίου Αθηνών.
Cardiovascular Disease
- Coronary Artery Disease
- Mitral Valve Disease
- Congenital Disease
- Aortic Valve Disease
- Aortic Aneurysm
- Cardiac Tumors
- Arrhythmias
Cardiac Operations
- Coronary Artery By Pass
- Mitral Valve Repair/Replacement
- Atrial Septal Defect Repair
- Aortic Valve Repair/Replacement
- Aortic Aneurysm Repair
- Myxoma Excision
- Ablation
Specialized Operations
- Minimally Invasive Procedures
- Thoracoscopic Procedures
Languages
Experience
-
Consultant Cardiac Surgeon (Dec, 2024 - Current)
El Greco Hospital, Cyprus -
Consultant Cardiac Surgeon, (Feb, 2024 - Dec, 2024)
Mediterraneo Hospital, Athens -
Consultant Cardiac Surgeon (Jun, 2015 - Feb, 2024)
Ippokrateio General Hospital of Athens -
Fellowship in Adult Cardiac and Aortic Surgery (Jan, 2014 - Jan, 2015)
St Michaels Hospital, University of Toronto, Canada -
Specialist Registrar in Cardiothoracic Surgery (Mar, 2009 - Jun, 2014)
University Hospital of South Manchester, UK -
Trainee in Cardiothoracic Surgery (Nov, 2004 - Jan, 2009)
Ippokrateio General Hospital of Athens -
Research Fellow in the Cardiology (Jan, 2004 - Nov, 2004)
Department of the University of Athens -
Trainee in General Surgery in “Tzaneio” Prefecture (Sep, 2001 - Jan, 2004)
General Hospital of Piraeus -
Trainee in General Surgery in “AHEPA” (Nov, 2000 - Jul, 2001)
General Hospital, Thessaloniki
Education
-
Medical Degree, ( - Jul, 2000)
Aristotle University Medical School of Thessaloniki -
MSc (Master of Science) in Health Management, (Jan, 2020 - Jul, 2021)
Frederick University, Nicosia, Cyprus (July 2021) -
PhD in Medicine, (Apr, 2005 - Sep, 2010)
University of Athens (Sept 2010) -
Postgraduate Degree in Pre-Hospital Life Support,
Greek Ministry of Health (Sept 2004)
Honours & Awards
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FRCS (CTh), Fellow of the Royal College of Surgeons in Cardiothoracic Surgery, Royal College of England (November 2, 2012)
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Fellowship in Adult Cardiac and Aortic Surgery, University of Toronto, Canada (June 30, 2015)
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CCT (Certificate of Completion of Training) in Cardiothoracic Surgery, Greek Ministry of Health (January 1, 2009)
-
Research Award in Thrombosis, European Society of Cardiology for the study: “Genetic polymorphisms on the (alpha)2 subunit of platelet integrin (alpha)2(beta)1 affect the release of sCD40L and P-selectin during acute myocardial infarction and increase cardiovascular risk (September 5, 2026)
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Research Award of Hellenic Society of Cardiology for the study: “Effects of genetic polymorphisms 807 C/T and 1648 A/G of glycoprotein Ia on the development of premature myocardial infarction in Greece (September 5, 2026)
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Research Award of Hellenic Society of Cardiology for the study: “Effects of Genetic polymorphism G894T on eNOS gene on the development of premature myocardial infarction in Greece” (September 5, 2026)
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Distinction in the lesson of Anatomy I and II in the University of Thessaloniki. Entrusted teaching duties in the lesson of Anatomy III by the Professor of Anatomy, Thessaloniki (September 5, 2026)
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