Orthopaedic - Orthopaedic Surgeons

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.

Orthopedic surgeon Ntousis Dionysios is a graduate of the Medical School of Athens, where he also completed his postgraduate specialization in Metabolic Bone Diseases. He has maintained his private practice in the Alimos area since 2016, diligently addressing the orthopedic issues of his fellow citizens with a sense of responsibility, professionalism, and excellent, modern, evidence-based scientific knowledge. Guided by the individualized approach to each patient's needs and aiming to improve the quality of life of those he serves, the physician manages all orthopedic conditions both conservatively and surgically.

The physician's areas of expertise include, among others, the surgical treatment of foot disorders, sports injuries of the knee (anterior cruciate ligament and meniscus tears), shoulder (shoulder dislocation), and knee and hip arthroplasty.

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.

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.

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.

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.

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.

Dr. Theodosios Koukoumpis, MD, PhD, is an Orthopedic Surgeon with a private practice in Thessaloniki. His medical education and specialty training were initially completed at the University of Ioannina, followed by further training in the United States. His specialization and primary scientific interest lie in adult reconstructive surgery, with a particular focus on the Hip and Knee. Surgically, he employs modern techniques in Total Hip Arthroplasties for degenerative diseases as well as for complex Congenital Hip Dislocations, and also in Total Knee Arthroplasties. Where indicated for the patient's benefit, he applies minimally invasive surgical approaches (MIS) and selects the ideal implant for each patient, with appropriate planning and the highest quality materials. In Knee Arthroplasties, he utilizes advanced preoperative planning with Computed Tomography to employ patient-specific instruments (PSI). Finally, his scientific work includes hundreds of published papers, presentations, organization of conferences, and chairing of conferences both in Greece and internationally.

Aggelis Ioannis is an orthopedic surgeon and maintains his private practice in Volos. He is a graduate of the Medical School of Aristotle University of Thessaloniki. He specialized in Adult Orthopedic Surgery and Traumatology at the 1st Orthopedic Clinic of the 251 Air Force General Hospital and in Pediatric Orthopedics at the 1st Orthopedic Clinic of the General Children's Hospital "Panagiotis and Aglaia Kyriakou." After obtaining his medical specialty in Orthopedic Surgery and Traumatology, he was appointed with a scholarship from the Hellenic Arthroscopy Society to the Sports Injuries Department of KAT Hospital as a fellow (external collaborator) with full participation in the department's activities and surgeries, where he remained for approximately two years. He is a member of various medical organizations in Greece and abroad, participating in conferences, courses, and workshops. Today, he practices medicine independently, based at a private orthopedic clinic, with the capability to perform orthopedic surgeries in various private hospitals.

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.

Valentis Euaggelos is an Orthopedic Surgeon with a private practice in Kato Patissia. Additionally, he serves as a Scientific Collaborator at the Athens Bioclinic and the "HYGEIA" and "Mitera" Hospitals. He studied at the Medical School of the National and Kapodistrian University of Athens, receiving a scholarship from the State Scholarships Foundation throughout his studies. Subsequently, he specialized in Orthopedics at the General Hospital of Athens "Laiko" and further specialized in the surgical treatment of foot disorders. He has also published papers in journals and conferences, focusing on the ankle and foot. Finally, he is a member of the Hellenic Orthopedic Society (EEXOT) and a member of the foot division, as well as a member of the European Foot and Ankle Society (EFAS).

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.

Paulidis Ioannis is an Orthopedic Surgeon who maintains a private practice in Acharnes. He deals with the entire spectrum of orthopedic cases and sports injuries, specializing in Arthroscopic and Open Surgery of the Shoulder and Knee, Microsurgery of the Upper Limb, and Hand Surgery, as well as their revisions. To date, he has performed a very large number of surgeries and stays continuously updated on the latest developments in surgical techniques as well as all scientific publications worldwide in his field. His scientific papers have been published at the Panhellenic Congresses of the Hellenic Society of Arthroscopy, Knee Surgery and Sports Injuries, at the Panhellenic Congresses of Orthopedic Surgery and Traumatology, at Pan-European Shoulder and Elbow Congresses, and at many other medical conferences in which he regularly participates as part of his ongoing education and training.

Theodoroudis Ioannis is an Orthopedic Surgeon who maintains a private practice in Agia Paraskevi. He graduated from the Medical School of Aristotle University of Thessaloniki and the Military School of Corps Officers (SSAS), and he is a Consultant at the First Orthopedic Clinic of the 401 General Military Hospital of Athens. He specialized in Knee and Hip Arthroplasties using Minimally Invasive and Rapid Recovery methods (Navigated ALMIS-Fast Track) at a major Endoprosthesis Center in Germany (St. Josef Krankenhaus Moers, EndoProthetikZentrum der Maximalversorgung (EPZmax)). The physician is also a certified Foot and Ankle Surgeon by the German Society for Foot and Ankle Surgery (Gesellschaft für Fuss- und Sprunggelenkchirurgie, GFFC), having trained at specialized centers (St. Josef Krankenhaus Wuppertal, Evangelisches Krankenhaus Mettmann, St. Josef Krankenhaus Moers). He employs modern surgical techniques for the correction of Foot deformities, such as Hallux Valgus, Hammer Toe, Claw Toe, Hallux Rigidus, Adult Acquired Flatfoot, etc. In particular, for Hammer Toe and Claw Toe, the percutaneous DMMO (Distal Metaphyseal Metatarsal Osteotomy) technique is performed through 0.5 cm incisions with immediate mobilization of patients.

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.

Ο Ορθοπαιδικός Χειρουργός Στέλιος Παπαλεξανδρής είναι πτυχιούχος της Ιατρικής Σχολής του Αριστοτελείου Πανεπιστημίου Θεσσαλονίκης. Απέκτησε τίτλο ειδικότητας ορθοπαιδικού-χειρουργού (2008), μετά από εκπαίδευση στην Ελλάδα και το Ηνωμένο Βασίλειο, όπου και εξειδικεύθηκε στους τομείς της αρθροσκοπικής χειρουργικής (2008-2009), της επανορθωτικής χειρουργικής του ισχίου και του γόνατος (2016-2018 & 2020-2021) και του ορθοπαιδικού τραύματος (2018-2020). Έχει εργασθεί ως ειδικός ορθοπαιδικός στην Ελλάδα και το Ηνωμένο Βασίλειο. Διετέλεσε μέλος της ιατρικής ομάδας του ιατρικού κέντρου του ΣΕΓΑΣ στη Θεσσαλονίκη και ιατρός αγώνων ποδοσφαίρου όλων των εθνικών κατηγοριών και του Κυπέλλου Ελλάδος. Το 2024 εντάχθηκε στο Ειδικό Σώμα Ιατρών του Κέντρου Πιστοποίησης Αναπηρίας (ΚΕ.Π.Α.) του e-ΕΦΚΑ. Απέκτησε την ιδιότητα του μέλους του Βασιλικού Κολλεγίου Χειρουργών του Ηνωμένου Βασιλείου (Fellow of the Royal College of Surgeons), της Ευρωπαϊκής Επιτροπής Ορθοπαιδικής και Τραυματολογίας (Fellow of the European Board of Orthopaedics and Traumatology) και του Κολλεγίου Ελλήνων Ορθοπαιδικών Χειρουργών (ΚΕΟΧ), κατόπιν επιτυχούς συμμετοχής σε ειδικές εξετάσεις. Είναι υποψήφιος διδάκτορας του Δημοκρίτειου Πανεπιστημίου Θράκης, με επιστημονικό αντικείμενο το Μάρκετινγκ και τη Διοίκηση στην Υγεία. Είναι κάτοχος μεταπτυχιακών τίτλων σπουδών στη «Διοίκηση Μονάδων Υγείας», τη «Μεθοδολογία Βιοϊατρικής Έρευνας, Βιοστατιστική και Κλινική Βιοπληροφορική», την «Εκπαίδευση Ενηλίκων» και τη «Βιοηθική». Συνέβαλε στην ανάπτυξη κατευθυντήριων οδηγιών, ως αναπληρωτής συντονιστής της Επιτροπής Ανάπτυξης Κατευθυντήριων Οδηγιών Γενικής Ιατρικής για την Οσφυαλγία, στο πλαίσιο του Επιχειρησιακού Προγράμματος «Διοικητική Μεταρρύθμιση 2007-2013», που υλοποιήθηκε από το Πανεπιστήμιο Κρήτης. Έχει συμμετάσχει στη συγγραφή βιβλίου ορθοπαιδικού τραύματος και έχει συγγράψει εγχειρίδιο πρώτων βοηθειών. Επιστημονικές εργασίες του έχουν δημοσιευθεί σε ελληνικά και διεθνή ιατρικά περιοδικά, και έχουν ανακοινωθεί σε πλήθος ελληνικών και διεθνών επιστημονικών συνεδρίων.

Από το ακαδημαϊκό έτος 2021-2022, διεξάγει διδακτικό και ερευνητικό έργο, ως ακαδημαϊκός υπότροφος, στο Πανεπιστήμιο Δυτικής Μακεδονίας (Τμήμα Εργοθεραπείας, Τμήμα Μαιευτικής και Τμήμα Στατιστικής και Ασφαλιστικής Επιστήμης). Ως ειδικός ορθοπαιδικός έχει διδακτικό έργο στο πλαίσιο της πρακτικής εκπαίδευσης ειδικευομένων ορθοπαιδικής και φοιτητών ιατρικής των Πανεπιστημίων του Manchester και του Liverpool του Ηνωμένου Βασιλείου. Είναι εκπαιδευτής στο ιατρικό σεμινάριο ATLS (Advanced Trauma Life Support – provider & instructor course) στην Ελβετία και την Ελλάδα. Έχει διατελέσει εκπαιδευτής στο ΙΕΚ του ΕΚΑΒ και το Πρόγραμμα Μεταπτυχιακών Σπουδών «Επείγουσα Προνοσοκομειακή Ιατρική» του ΕΚΑΒ και εκπαιδευτής πρώτων βοηθειών σε σεμινάρια για επαγγελματίες υγείας και τον γενικό πληθυσμό. Είναι πιστοποιημένος εκπαιδευτής προγραμμάτων του Ευρωπαϊκού Συμβουλίου Αναζωογόνησης (European Resuscitation Council - ERC).

Anoua Nikolaos is a specialized Orthopedic Surgeon and Traumatologist with a private practice in Vrilissia. He has extensive clinical and surgical experience with adults as well as a particular focus on Pediatric Orthopedics. He graduated from the Medical School of Democritus University of Thrace and obtained his specialty title in Orthopedic Surgery and Traumatology in 2019. He has served at leading hospitals in the country, such as the General Hospital of Athens "KAT", Metropolitan Hospital, IASO Children’s Hospital, Athens Medical Center, and OSTEON Orthopedic & Spine Clinic, covering a wide range of cases in both children and adults. His expertise also includes additional experience in Pediatric Orthopedics at the General Children’s Hospital of Athens "P. & A. Kyriakou". He is a member of important scientific associations, including the Athens Medical Association, the General Medical Council (UK), the Hellenic Society of Surgery and Orthopedic Traumatology (EEXOT), and the Hellenic Society of Out-of-Hospital Emergency Medicine (EEEE). His goal is to provide personalized and scientifically substantiated care, emphasizing patient safety, functionality, and improvement of quality of life.

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.

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.