Orthopaedic - Orthopaedic Surgeons

Mr. Nikolaos Kalos is an Orthopedic Surgeon and Deputy Director of the 4th Orthopedic Clinic at Metropolitan General in Cholargos. He maintains a private practice in Neo Psychiko.

He is a graduate of the Medical School of the University of Ioannina and completed his specialization at the University Orthopedic Clinic of Ioannina.

He specialized at the Osteoarthritis and Knee Deformities Treatment Center, LKH Stolzalpe - Murau in Austria. In his private practice, he provides a wide range of services, tailored to the individual needs of each patient.

Η Φωτίκα Ευδοκία είναι Χειρουργός Ορθοπαιδικός και εξειδικεύεται στην χειρουργική άκρου ποδός και αστραγάλου, καθώς και στην τραυματολογία. Διατηρεί ορθοπαιδικό ιατρείο στον Πειραιά και συνεργάζεται με ιδιωτικές κλινικές στην Αθήνα και τον Πειραιά. Επέστρεψε στην Ελλάδα μετά από σχεδόν 17 χρόνια παραμονής στην Γερμανία και έχοντας υπηρετήσει ως Επιμελήτρια Α΄ σε μεγάλα ακαδημαϊκά νοσοκομεία της χώρας. Εξακολουθεί και συνεργάζεται με μεγάλες ορθοπαιδικές κλινικές της Γερμανίας. Είναι εξειδικευμένη χειρουργός κάτω άκρου, και έχει ολοκληρώσει όλη την ειδικότητα και την εξειδίκευση στο γνωστικό αντικείμενό της στην Γερμανία. Εργάστηκε συνεχόμενα στη Γερμανία από το 2007 έως και το 2024 αποκτώντας μεγάλη χειρουργική εμπειρία και διαθέτει αναλυτικό - πιστοποιημένο logbook πλέον των 3500 χειρουργείων.​​ Είναι απόφοιτος της Ιατρικής Σχολής του Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών. Μετά την αποφοίτησή της, ξεκίνησε να εργάζεται στην Γερμανία, όπου κάτω από διαρκή αξιολόγηση, τακτικές εξετάσεις και συνεντεύξεις, ολοκλήρωσε την ειδικότητα της Ορθοπαιδικής και Τραυματολογίας, το 2013. Μετά το πέρας της ειδικότητας, εξειδικεύτηκε στην χειρουργική του άκρου ποδός και του αστραγάλου. Το 2016 απέκτησε τον τίτλο της εξειδικευμένης χειρουργού στον τομέα αυτό, από την αντίστοιχη γερμανική εταιρεία (D.A.F., German Orthopedic Foot & Ankle Society). Ασχολείται με όλο το φάσμα της τραυματολογίας, με ειδίκευση στην αντιμετώπιση σύνθετων καταγμάτων και των επακόλουθων καταστάσεων τους. Αφού συγκέντρωσε μεγάλη χειρουργική εμπειρία και όγκο περιστατικών, απέκτησε, το 2018, τον τίτλο της εξειδικευμένης τραυματοχειρουργού, από τον αντίστοιχο ιατρικό σύλλογο της Βόρειας Ρηνανίας Βεστφαλίας. Στην συνέχεια ξεκίνησε να συνεργάζεται στενά με την εργατική ομοσπονδία της Γερμανίας (Berfufsgenossenschaft) ως D-Ärztin, στην αντιμετώπιση και περίθαλψη ατόμων με εργατικά ατυχήματα. Είναι εκπαιδεύτρια στο Advanced Trauma Life Support Course (ATLS) από το 2016, και από το 2011 δραστηριοποιείται ως γιατρός επειγόντων (Notärztin) στα ασθενοφόρα του αντίστοιχου γερμανικού ΕΚΑΒ. Το 2021 ξεκίνησε να ασχολείται παράλληλα με την χειροπρακτική (Manuelle Medizin/Manual Therapy) και το 2022 έλαβε την πιστοποίηση ως χειροπρακτικός από την αντίστοιχη γερμανική εταιρεία (MWE & DGMM, Deutsche Gesellschaft für Manuelle Medizin). Επιστρέφοντας στην Ελλάδα έχει ως στόχο να παρέχει στους ασθενείς της, τις πιο σύγχρονες τεχνικές διάγνωσης και θεραπείας, με βάση τα διεθνή πρότυπα.

Pathiakis Ioannis Md, MSc, PhD is an Orthopedic Surgeon who maintains a private practice in Peristeri. He holds a medical degree from the Medical School of the National and Kapodistrian University of Athens and has obtained two postgraduate degrees in "Minimally Invasive Surgery, Robotic Surgery & Tele-surgery Medicine" and "Surgical Anatomy" from the Medical School of the same university. Additionally, he holds a Doctorate from the National and Kapodistrian University of Athens in the Department of Anatomy. He is specialized in Robotic Knee and Hip Surgery and in Microsurgical Bloodless Carpal Tunnel Release and holds a diploma in Medical Acupuncture from the Scientific Association of Medical Acupuncturists of Greece. He has completed training at numerous hospitals, while his specialty was completed in General Surgery at the General Hospital of Ierapetra. Furthermore, during his career, he has taught courses on First Aid, Traumatology, and musculoskeletal injuries at the IEK of Siteia and at the Volunteer Corps of Samaritans and Rescuers of Siteia, respectively. Finally, as part of his continuous education and updating in microsurgery and medical acupuncture, the physician regularly attends medical conferences, earning personal honorary distinctions.

Beyond Medicine, he holds a degree in Social Theology from the Theological School of Athens.

Tzavellas Anastasios is an Orthopedic Surgeon who maintains a private practice in the center of Thessaloniki. He collaborates with private clinics in the city to perform surgical procedures and is currently working as a Consultant in the First Orthopedic Clinic of the 424 General Military Hospital.

In 2008, he was commissioned as a Second Lieutenant (Physician), having concurrently graduated from the Medical School of Aristotle University of Thessaloniki, where he enrolled in 2002.

In 2012, he began his specialty training at the 424 General Military Training Hospital, which he completed in 2018 at the Third University Orthopedic Clinic of Aristotle University of Thessaloniki at the General Hospital "Papageorgiou," receiving the title of Orthopedic Surgeon.

He completed the Master's program in "Medical Research Methodology" at Aristotle University of Thessaloniki (2014 – Grade: Excellent) and obtained his PhD from the Medical School of Aristotle University of Thessaloniki in 2024, presenting his dissertation on the osteoinductive capacity of a novel peptide derived from Bone Morphogenetic Protein-2 combined with a de novo collagen sponge as a bone graft substitute.

During the period 2021-2024, he worked in the United Kingdom, specifically at Frimley Park Hospital, as a Clinical Fellow in the Hip-Knee Surgery Department, gaining significant experience by performing and participating in a substantial number of surgical procedures (hip and knee arthroplasty, revisions, unicompartmental (partial) knee arthroplasty, arthroscopic surgery, osteotomies).

Dimitrios Kaklamanis is an Orthopedic Surgeon with private practices in Galatsi and Kolonaki. He is a PhD candidate at the National and Kapodistrian University of Athens and holds a degree from the Medical School of the same university. He completed his specialization in General Surgery at the Vascular Surgery Clinic of the Athens Prefectural General Hospital "Elpis" and in Orthopedic Surgery at the General Hospital of Athens "Laiko". With his experience and expertise, he is capable of diagnosing and managing common orthopedic problems encountered in daily life as well as treating any related conditions. Additionally, he participates in Greek and European conferences and is a member of the Athens Medical Association, the Hellenic Society for the Study of Bone Metabolism, and the Hellenic Society of Orthopedic Surgery and Traumatology.

Tasios Nikolaos is an Orthopedic Surgeon with a private practice in Glyfada. He holds a medical degree from Aristotle University of Thessaloniki and specialized in Orthopedics at the Orthopedic Clinic - Hand Surgery Department at Asklipieio Voula. He completed a fellowship as an Orthopedic Surgeon at the Orthopedic Clinic - Knee Disorders and Sports Injuries Department at Erasme University Hospital in Brussels. His practice covers the full spectrum of orthopedic and orthopedic surgical cases, with a specialization in trauma, sports injuries, and hip and knee arthroplasty.

Athanasopoulos Konstantinos MD, MSc is an Orthopedic Surgeon maintaining private practices in Piraeus and Galata Troizinia, while also collaborating with the Athens Medical Group (Peristeri clinic) and the sports injury center at Mediterraneo Hospital. He is certified in robotic knee and hip arthroplasty using the most advanced robotic system worldwide, the only one with FDA certification in the USA for robotic total joint revision arthroplasty. He holds a postgraduate degree in “Metabolic Bone Diseases” from the Medical School of Athens and graduated in Medicine from the University of Medicine and Pharmacy "Carol Davila". He specialized in Orthopedics and Traumatology at the General Hospital of Piraeus “Tzaneio” and in Pediatric Orthopedics at the Children’s Hospital "P. & A. Kyriakou", and after successful examinations where he ranked first in Attica, he obtained the title of orthopedic specialty. He served as an instructor at the Special Training Center for Health Professionals in the Orthopedics and Traumatology department of the General Hospital of Piraeus "Tzaneio" regarding the implementation of a preventive screening program for scoliosis and other spinal deformities in students. Additionally, he has participated as a speaker and trainee in numerous conferences and seminars in Greece. His areas of expertise include arthroscopic surgery, robotic knee and hip arthroplasty, as well as robotic knee and hip revision surgery with Fast-Track ERAS protocols for rapid return to activities, and minimally invasive surgery.

Panagiotis Drakopoulos is an Orthopedic Surgeon specialized in reconstructive microsurgery of the upper limb - hand and in osteoarthritis of the knee, hip, and sports medicine. He maintains a private practice in Piraeus. He has extensive experience in the diagnosis and treatment of musculoskeletal system disorders, as well as in the rehabilitation of injuries using advanced microsurgical techniques. He graduated from the Medical School of Ovidius University of Constanta and continued his training at the 1st Orthopedic – Pediatric Orthopedic Clinic of the General Children's Hospital "Agia Sofia," as well as at the 2nd Adult Orthopedic Clinic of the General Hospital "Asklipieio Voula," where he completed his specialty in Orthopedics and Traumatology. Additionally, he has completed the postgraduate program "Metabolic Bone Diseases" at the National and Kapodistrian University of Athens, enhancing his scientific background in the pathophysiology and management of diseases affecting bone health. His specialization at the Microsurgery Clinic of KAT Hospital enabled him to apply advanced reconstructive microsurgical techniques of the upper limb and hand, providing personalized solutions for complex injuries and disorders. Since 2018, he has served as an Assistant Orthopedic Surgeon – Consultant B’ at Elefsina General Hospital “Thriasio,” actively participating in the clinical and surgical work of the Orthopedic Clinic. He has participated in numerous seminars, conferences, and presented free communications.

Dr. Sarantis Mixalis, MD, MSc, PhDc, is an Orthopedic Surgeon with a private practice in Psychiko. Concurrently, he serves as an Orthopedic Consultant specializing in Sports Injuries at Metropolitan Hospital. He has extensive experience, having completed his specialization at the General Children's Hospital "Agia Sofia" and the 4th Orthopedic Clinic of G.N.A. KAT, while also specializing at the same hospital in the Hand-Upper Limb-Microsurgery Clinic, the Sports Injuries Department, and the Pediatric Orthopedic Clinic. In 2018, he successfully completed advanced training in pediatric orthopedic trauma and pediatric skeletal deformities at the Orthopedic Hospital Speising (Vienna, Austria). Since 2019, he holds a Master's degree in "Metabolic Bone Diseases - Osteoporosis" from the Medical School of the National and Kapodistrian University of Athens. In 2020, he was appointed as a doctoral candidate by the Medical School of Athens, and since then he has been pursuing his doctoral thesis at the 2nd Orthopedic University Clinic of the University of Athens (Konstantopouleio Hospital – Agia Olga). He is an active member of the European Paediatric Orthopaedic Society (EPOS), the European Society for Sports Traumatology Knee Surgery and Arthroscopy (ESSKA), the Hellenic Society of Orthopaedic Surgery and Traumatology (EEHOT), and the Athens Medical Association. Finally, he has a rich academic portfolio, authoring numerous publications in peer-reviewed international journals (PUBMED) and actively participating in presentations at Greek and international conferences.

Mylonas Xrysanthos is an Orthopedic Surgeon - Traumatologist with private practices in Anavyssos, Lavrio, and Glyfada. He holds a degree from the Medical School of Aristotle University of Thessaloniki and completed his specialty in General Surgery at the General State Hospital of Nikaia. Throughout his professional career, he served as a Scientific Collaborator at IKA Lavrio for over 15 years. Currently, in addition to his private practices, he is a Scientific Collaborator at the private hospital Medirerraneo in the Glyfada area. Furthermore, he regularly attends conferences in Greece and abroad covering the entire spectrum of Orthopedics, including topics such as osteoporosis, trauma, surgical arthroplasty, geriatric patients, and bone neoplasms. He also participates in various research projects and presentations both in Greece and internationally.

Ο Λεωνίδου Ανδρέας PGDip, MSc, PhD, FACS, FRCS (Tr&Orth) είναι Ορθοπαιδικός Xειρουργός - Τραυματολόγος και Διδάκτωρ στο Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης με ιδιωτικό ιατρείο στο Μαρούσι. Παράλληλα, διατελεί Διευθυντής στο Ιατρικό Κέντρο Αθηνών στο Μαρούσι. Είναι απόφοιτος της Ιατρικής Σχολής του Εθνικού & Καποδιστριακού Πανεπιστημίου Αθηνών και έχει ολοκληρώσει μεταπτυχιακές σπουδές στην Ορθοπαιδική Μηχανική στο Πανεπιστήμιο του Cardiff. Μετά την αποφοίτησή του ξεκίνησε να εργάζεται στο Ηνωμένο Βασίλειο, όπου κάτω από διαρκή αξιολόγηση, τακτικές εξετάσεις και συνεντεύξεις, ολοκλήρωσε την ειδικότητα της Ορθοπαιδικής και Τραυματολογίας. Είναι εξειδικευμένος Χειρουργός άνω άκρου, γόνατος και αθλητικών κακώσεων και έχει ολοκληρώσει όλη την ειδικότητα και την υπερεξειδίκευση στο ειδικό γνωστικό αντικείμενό του στην Αγγλία. Μετά το πέρας της ειδικότητας, εξειδικεύτηκε στην παγκοσμίου φήμης Κλινική Ώμου - Αγκώνα στο Reading. Εργάσθηκε δε ως Διευθυντής στην ίδια κλινική και εν συνεχεία στο Πανεπιστημιακό Νοσοκομείο του East Kent. Εργάσθηκε συνεχόμενα στο Ηνωμένο Βασίλειο από το 2005 έως το 2019 αποκτώντας τεράστια χειρουργική εμπειρία. Διαθέτει αναλυτικό - πιστοποιημένο logbook πλέον των 6000 χειρουργείων. Επιστρέφει στην Ελλάδα μετά από 14 χρόνια παραμονής στο Ηνωμένο Βασίλειο, έχοντας αφυπηρετήσει στην υψηλότερη βαθμίδα του μόνιμου Διευθυντή (substantive Consultant), με στόχο να παρέχει στους ασθενείς του τις πιο σύγχρονες τεχνικές διάγνωσης και θεραπείας με βάση τα διεθνή πρότυπα. Ασχολείται με όλο το φάσμα της τραυματολογίας με εξειδίκευση στην αντιμετώπιση των σύνθετων καταγμάτων του ώμου - αγκώνα. Επίσης, εξειδικεύεται στην αρθροσκόπηση ώμου - αγκώνα και γόνατος με μεγάλη χειρουργική εμπειρία και όγκο περιστατικών. Εφαρμόζει το ελάχιστης επεμβατικότητας σύστημα ανάστροφης αρθροπλαστικής ώμου χωρίς stem. Είναι εταίρος (fellow) του Βασιλικού Κολλεγίου των Χειρουργών του Εδιμβούργου, έχοντας ολοκληρώσει με επιτυχία τις σχετικές εξετάσεις. Επιπλέον, είναι εκπαιδευτής στο Advanced Trauma Life Support Course και στο παγκοσμίου φήμης Reading Shoulder and Elbow Course. Ταξιδεύει συχνά στην Ευρώπη όπου διδάσκει την τεχνική της ανάστροφης αρθροπλαστικής ώμου χωρίς stem. Την περίοδο 2017 - 2019 ήταν ο πρώτος Έλληνας που εκλέχτηκε μέλος της Εκπαιδευτικής Επιτροπής της Βρετανικής Εταιρίας Ώμου - Αγκώνα. Tέλος, τo 2020 εκλέχτηκε στην επιτροπή μελών της Ευρωπαϊκής Εταιρίας Ώμου - Αγκώνα.

Stathellis Apostolos MD, PhD is an Orthopedic Surgeon - Sports Medicine Specialist with expertise in arthroscopic surgery of the shoulder, knee, elbow, and ankle, as well as sports injuries. He graduated with honors from the Medical School of the National and Kapodistrian University of Athens and holds a PhD from the University of Ulm in Germany. Following an 8-year training period in Germany (2009 - 2016) at one of the leading arthroscopic surgery centers (Sportklinik - Stuttgart), he now maintains private practices in Vrilissia and Marousi and concurrently serves as an Attending Physician at the 3rd Orthopedic Clinic at Hygeia Hospital. In 2016, he obtained the sports medicine specialization title in Germany, as well as certification in arthroscopic surgery. Additionally, he is trained and certified in musculoskeletal ultrasonography.

Dempegiotis Petros MD, MSc is an Orthopedic Surgeon with a private practice in Kypseli. He is a graduate of the Medical School of the National and Kapodistrian University of Athens and has attended numerous international educational seminars. He is also a certified physician in Neural Therapy. He is an affiliated physician at Euroclinic Athens, Doctor's Hospital, and Metropolitan General. With extensive experience in orthopedic disorders, he diagnoses and treats orthopedic conditions in both adults and children. Additionally, he manages cases such as tendinitis, osteoarthritis, cervical syndrome, sciatica, as well as pediatric orthopedics.

Kaldis Panagiotis is an Orthopedic Surgeon specializing in Upper Limb Surgery and Reconstructive Microsurgery. He graduated from the Medical School of the National and Kapodistrian University of Athens. Alongside his private practice in Pallini, he works as Deputy Director in the B' Department of Hand Surgery and Microsurgery at Hygeia Hospital, where he manages complex hand and shoulder injuries. He is a member of prominent medical associations, including the Athens Medical Association, the Hellenic Society of Surgery, Orthopedics, and Traumatology (HECOS), the Hellenic Society of Hand and Upper Limb Surgery (HEHUS), the Society of Reconstructive Microsurgery (SRM), and the International Wrist Arthroscopy Society (IWAS).

In his private practice, he treats conditions across the full spectrum of orthopedics and provides specialized services tailored to the individual needs of his patients.

Masount Mamoun is an Orthopedic Surgeon with private practices in Ambelokipi (Gkyzi area) and Nafplio (Head of the Orthopedic Department at IASIS Polyclinic - Argolida).

He is a graduate of the Medical School of Aristotle University of Thessaloniki and holds a postgraduate diploma in metabolic bone diseases from the National and Kapodistrian University of Athens.

He has obtained a specialty title in Orthopedic Surgery and Traumatology from the 3rd University Orthopedic Clinic of the General Hospital of Attica KAT. He is specialized in arthroplasty, arthroscopy, traumatology, sports injuries, and surgery of major joints, as well as in osteoporosis, osteoarthritis, and fracture healing.

In his private clinic, he manages conditions across the entire spectrum of orthopedics, with a special interest and experience in pediatric orthopedics.

Additionally, he serves as a Scientific Collaborator and surgeon at Metropolitan Hospital, Medical Center Athens Group, and Hospitality Clinic Athens.

Finally, through his participation in numerous seminars, workshops, and conferences, he continually updates himself on advancements in his field to provide specialized services tailored to his patients' individual needs. He is also a member of the Hellenic Society of Orthopedic Surgery and Traumatology and the Hellenic Osteoporosis Foundation.

Dr. Trellopoulos Aggelos is an Orthopedic Surgeon who maintains two private clinics in Zografou and Marousi. He holds a Medical Degree and a postgraduate degree in Metabolic Bone Diseases from the National and Kapodistrian University of Athens. He specializes in Arthroscopic Surgery, Arthroplasty & Robotic Arthroplasty, Hand Surgery - Microsurgery, and Sports Injuries. He is a Consultant at the Third Orthopedic Clinic of "Hygeia" Hospital and at the Athens Center for Arthroscopy and Shoulder Surgery. He is a member of the European Society of Sports Traumatology (ESSKA), from which he has received educational fellowships aimed at specializing in athlete injuries. Finally, he is an active member of Greek and international scientific associations, has published numerous scientific articles and papers in Greek and international journals, and has delivered lectures at Greek and international sports medicine conferences.

Paulos Xristodoulou is an Orthopedic Surgeon and Spinal Surgeon, maintaining a clinic in the center of Thessaloniki and serving as Consultant at the 2nd Orthopedic Clinic of the 424 General Military Training Hospital. He graduated from the Medical School of Aristotle University of Thessaloniki. He specialized in Orthopedic Surgery at the Hippocrateio General Hospital of Thessaloniki and further specialized in spinal surgery abroad (QMC Hospital, Nottingham, U.K.). Since 2002, he has been working at the 424 General Military Training Hospital as Consultant and Deputy Director. He deals with trauma, sports injuries, and degenerative diseases of the knee and hip. He has a particular interest and expertise in the full spectrum of Spinal Diseases including trauma, degenerative disease, infection, deformity, and congenital abnormalities. He has extensive experience in the management of herniated discs, spinal stenosis, degenerative scoliosis, adolescent scoliosis, and spinal fractures. He has attended and been an invited speaker and trainer at numerous conferences and workshops in this field. He is a member of the European Spine Society and a reviewer for the European Spine Journal.

Dr. Diakatos Andreas is an Orthopedic Surgeon who maintains a private practice in Ilioupoli. He was born in Athens. He began his specialty training in Orthopedic Surgery and Traumatology at the Asklipiio Voulas Hospital. For two years, he trained in Microsurgery at KAT Hospital and for one year in Pediatric Orthopedics at the same hospital. In 2014, he obtained the Orthopedic Surgery and Traumatology specialty certification and has been practicing privately since then. He is currently affiliated with Hygeia Hospital, where a significant number of robotic surgeries are performed, a cutting-edge technology in knee and hip arthroplasty within this specialty. Finally, it would be remiss not to mention his training in Bologna, Italy, under Professor Maurilio Marcacci, as well as in Leeds, United Kingdom.

Tsimplakis Mixalis is an Orthopedic Surgeon - Sports Medicine Specialist, Deputy Director of the 8th Orthopedic Clinic at Metropolitan General, and maintains a private practice in Nea Smyrni. He is a graduate of the Medical School of the National and Kapodistrian University of Athens and has received advanced training in Shoulder Arthroscopic Surgery at the 401 General Military Hospital of Athens. He has particular expertise in knee arthroplasty, meniscal arthroscopy, chondropathy arthroscopy, shoulder arthroscopy, osteoporosis management, as well as monitoring kyphosis, scoliosis, and fractures. Additionally, he collaborates with the Medical Center of Palaio Faliro, BioClinic of Piraeus, and Doctors Hospital. Finally, the physician has contributed to scientific publications both in Greece and internationally.

Apostolatos Apostolos is an Orthopedic Surgeon who maintains a private practice in Kifisia. He graduated from the School of Medicine and Surgery at Universita Degli Studi Di Catanzaro Magna Grecia. He has been trained in Advanced Trauma Life Support, Basic Life Support, and Plastic Surgery Techniques for General Surgeons. He completed his internship in the Emergency, Pathology, and General Surgery departments at Sismanogleio Hospital, Alexandra Gynecological Hospital, and Penteli Children's Pediatric Hospital. Subsequently, he worked as a First Aid Physician-Trainee in nuclear-biochemical warfare at the Army Medical Corps in Athens. As a Rural Doctor, he served at the Rural Clinic of Polynerio and the Health Center of Deskati. He completed his specialty training at Grevena General Hospital as a Trainee in Cardiology, Pathology, and General Surgery, at the 1st IKA Hospital as a Trainee in General Surgery, and also at the 3rd Orthopedic Clinic of KAT Hospital. Additionally, he was the Physician for the football and basketball teams of Apollon Smyrnis. From 2014 to the present, he has worked at the Municipal Clinics of Kifisia and Lykovrysi. Furthermore, he has participated in numerous conferences. He is fluent in English and Italian.