Orthopaedic - Orthopaedic Surgeons

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.

Ioannis Masiotis is an Orthopedic Surgeon with private practices in Agia Paraskevi and Cholargos. He holds a doctoral dissertation on the "Effect of anticoagulant factors on fracture healing," conducted in collaboration with the 4th University Clinic of the General Hospital of Attica KAT at the National Technical University of Athens. He has undergone advanced training in metabolic bone diseases and minimally invasive total hip arthroplasty techniques. Utilizing modern surgical methods (Minimally Invasive Surgery), he ensures minimal pain and rapid recovery in the management of sports injuries (meniscal tears, cruciate ligament tears, chondral lesions – cartilage transplantation, chondropathy, tendon ruptures, shoulder dislocation), knee, shoulder, ankle, and hip arthroscopies, knee and hip arthroplasty (Path and SuperPath techniques), fractures, hand disorders (carpal tunnel syndrome, ulnar neuropathy, trigger finger, tendinitis, etc.), foot conditions, and osteoporosis. Furthermore, Dr. Masiotis has authored numerous pioneering studies and publications presented at national and international conferences and is a member of the European Society of Sports Traumatology, Knee Surgery and Arthroscopy.

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.

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.

Dr Penteridis Ioannis is an Orthopedic Surgeon and Pediatric Orthopedist, maintaining a private practice in Oraiokastro. He holds a PhD in Medicine from the "Victor Babes" Medical University. He possesses extensive training and experience, having worked in numerous clinics across the country. Alongside his private practice, he serves as an Orthopedic Surgeon in the infrastructure departments of the PAOK team, at the Medical Diavalkaniko of Thessaloniki, and other private clinics with which he collaborates.

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.

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.

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.

Triantafyllidis Pantelis is an Orthopedic Surgeon with a clinic located in Galatsi, Marousi. He specializes in Knee and Hip Arthroplasty, Robotic Arthroplasty, Arthroscopic surgery of the knee, shoulder, and ankle, the treatment of Sports injuries, Osteoporosis, and fracture management. Additionally, during his specialty training, he has been trained in Microsurgery and upper limb surgery, as well as Pediatric Orthopedics. The clinic treats adult and adolescent patients with all types of orthopedic problems. Concurrently, he serves as the Director and Scientific Supervisor of the orthopedic department at Orthobiomed. He performs surgeries and collaborates with major hospitals in Athens, such as "Hygeia," where he also served as Deputy Director, and Mitera. He graduated from the Medical School of the University of Ioannina, holds a specialty title in Orthopedic Surgery from the Orthopedic Clinic of the University of Athens at KAT Hospital, and is a PhD candidate at the Medical School of the National and Kapodistrian University of Athens. He has participated in the education of students in Orthopedics and the first aid laboratory for Physiotherapy students. He has served as a physician for various teams and sports clubs and has operated on numerous athletes. He has participated as a speaker and organizer in numerous conferences, lectures, and presentations in Greece and abroad, as well as in writing articles for Greek and international scientific journals. Finally, he is a member of many Greek and international scientific societies.

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.

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.

Georgios Xristodoulakis is an Orthopedic Surgeon and Director of the Orthopedic Department at the private clinic "Piraikos Therapeutirio." He sees his patients in Votanikos, Piraeus, and Kypseli. He graduated with honors from the Medical School and holds an Advanced Trauma Life Support (ATLS) certification. He is a Scientific Associate at the private clinic Iatriko Psychikou and the private hospital "Mitera." Additionally, he has worked at major hospitals in Athens, including Asklipieio Voula, the Military Fund Nursing Institution, the General Children's Hospital of Athens "Panagiotis and Aglaia Kyriakou," the General Thoracic Diseases Hospital of Athens "Sotiria," and the Plastic Surgery Clinic of the 6th IKA Therapeutic Center "G. Gennimatas." He has over 70 presentations at accredited international and Greek conferences and more than 100 conference participations, ensuring that he remains informed about all current advancements in modern Orthopedics. Finally, Dr. Xristodoulakis is a member of the Athens Medical Association and the Hellenic Osteoporosis Foundation.

Ο Νταλαπέρας Παναγιώτης MSc, MD είναι Ορθοπαιδικός - Ορθοπαιδικός Χειρουργός και διατηρεί ιδιωτικό ιατρείο στο Πεδίον του Άρεως. Είναι απόφοιτος της Ιατρικής Σχολής του Δημοκριτείου Πανεπιστημίου Θράκης και κάτοχος μεταπτυχιακού τίτλου σπουδών από το Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών, με αντικείμενο τα Μεταβολικά Νοσήματα των Οστών.

Έχει εξειδίκευση στην ελάχιστα επεμβατική (minimal invasive) ορθοπαιδική χειρουργική και fast track αποκατάσταση, με έμφαση στη λειτουργικότητα, την ασφάλεια και τη γρήγορη επάνοδο του ασθενούς. Στο πλαίσιο της επαγγελματικής του δραστηριότητας, εργάζεται ως Ορθοπαιδικός Χειρουργός στο Mediterraneo Hospital, ενώ παράλληλα αποτελεί μέλος του ιατρικού επιτελείου της ποδοσφαιρικής ομάδας του Παναιτωλικού, παρέχοντας ιατρική υποστήριξη σε αθλητές. Έχει επίσης εργαστεί ως Ορθοπαιδικός Χειρουργός με εξειδίκευση στην Παιδορθοπαιδική στο Metropolitan Hospital. Η επιστημονική του κατάρτιση και η κλινική του εμπειρία καλύπτουν το ευρύ πεδίο της ορθοπαιδικής, με ενασχόληση τόσο με την αντιμετώπιση ορθοπαιδικών παθήσεων όσο και με την υγεία του μυοσκελετικού συστήματος.

Mpenakis Leonardos is an Orthopedic Surgeon, Director of the Orthopedic Clinic at Metropolitan Hospital, and maintains a private practice in Vrilissia. He graduated from the Medical School of Democritus University of Thrace, where he was admitted through national university entrance examinations. He received a Scholarship from the Hellenic Society of Orthopedic Surgery and Traumatology (E.E.CH.O.T.) for the first Forte Summer School in 2016. Additionally, he was awarded a scholarship from the Hellenic Arthroscopy Society (E.A.E.) for the Travelling Fellowship in 2017. He has participated in numerous international conferences, specialized seminars on new techniques, and educational courses. He has also served as Director of the Orthopedic Clinic at Euroclinic Athens and was among the first Orthopedic Surgeons in Greece trained in total hip arthroplasty using the minimally invasive SuperPath approach during its introduction in 2016. He undertakes arthroscopic repair of sports injuries in cases unresponsive to conservative treatment. The clinic offers the possibility of biological therapies with platelet-rich plasma.

Avramidis Grigorios P. is an Orthopedic Surgeon – Sports Medicine Specialist and Deputy Director of the 3rd Orthopedic Clinic at HYGEIA. He maintains private practices in Chalkida and Marousi, Attica, and also conducts examinations and performs surgical procedures in Cyprus. He was born and raised in Chalkida and originates from Nafplio. He is a graduate of the Medical School of the University of Patras and holds a Master's Degree in "Osteoporosis and Metabolic Bone Diseases" from the Medical School of the University of Athens. He specializes in Arthroscopy, Robotic Arthroplasty, Hand Surgery, as well as Sports Injuries. He is officially certified in Robotic Hip and Knee Arthroplasty. He has received multiple scholarships and actively participates in scientific conferences in Greece and abroad, as well as in the authorship of scientific papers.

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.

Karalaios Nikolaos V. is an Orthopedic Surgeon who maintains a private practice in Larissa. He holds a degree from the Medical School of Aristotle University of Thessaloniki and completed his orthopedic residency at the General Hospital of Attica KAT, concurrently receiving training in the Microsurgery - Upper Limb Surgery and Pediatric Orthopedics departments. Additionally, he was awarded a scholarship by the Hellenic Society of Orthopedic Surgery & Traumatology for further training in Shoulder and Elbow Arthroscopic Surgery at the University Hospital of Milano Humanitas under Professor Alessandro Castagna. He has extensive experience in arthroscopic surgery of the shoulder, elbow, and knee, sports injuries, reconstructive surgery of the knee and hip, microsurgery, pediatric orthopedics, and spinal disorders. He collaborates with the Private Clinic Theotoko, Asklipieio Thessalia General Clinic, Iaso, and the Animus Rehabilitation Center. Finally, he is a member of the Hellenic Society of Orthopedic Surgery and Traumatology and the European Society of Sports Traumatology, Knee Surgery, and Arthroscopy.

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.

Dr. Kormpakis Ioannis is an Orthopedic Surgeon - Traumatologist. He is the Director of the Orthopedic Clinic at Metropolitan General and the Director of the Upper Limb and Microsurgery Clinic. Since 2018, he has held a PhD from the Medical School of the National and Kapodistrian University of Athens and has specialized training from Washington University in the United States of America in Arthroscopic and Microsurgery of the Upper Limb (Shoulder - Elbow and Hand), Peripheral Nerves - Brachial Plexus as well as Ankle and Foot Surgery. Dr. Kormpakis Ioannis maintains private practices in Chalandri and Acharnes and performs numerous surgical procedures across a broad spectrum of Orthopedic and Traumatology conditions at private hospitals with which he collaborates (Metropolitan General, Therapis General, Athens Bioclinic, Medical Center, Mediterraneo Hospital). He is a member of the Hellenic Society of Reconstructive Microsurgery, the Hellenic Society of Orthopedic Surgery and Traumatology, and the Hellenic Society of Hand Surgery. Furthermore, he continues to publish numerous scientific papers in collaboration with world-renowned orthopedic surgeons in scientific journals based in the United States of America and the United Kingdom. Through his ongoing participation in numerous conferences in Greece and abroad and through his personal research on tendon and nerve injuries, he stays continually updated on surgical and conservative-regenerative treatment approaches for conditions such as arthropathies and tendon and nerve injuries.

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.