Orthopaedic - Orthopaedic Surgeons including treatment for children under 12 years near Dionisos

Mitrogiannis Georgios is an Orthopedic Surgeon specializing in Adults and Pediatrics – Sports Medicine Physician, maintaining a private practice in Nea Ionia. Concurrently, he works as a Consultant in the Pediatric Orthopedic Clinic at IASO Children’s Hospital. He holds a medical degree from the University of Ioannina School of Medicine and is a doctoral candidate at the School of Medicine, National and Kapodistrian University of Athens. He completed his specialty training in Orthopedics and Traumatology at the General Children’s Hospital "Panagiotis & Aglaia Kyriakou," the Korgialenio-Benakio Greek Red Cross Hospital, and the General Athens Hospital "Evangelismos," where, following the receipt of his Orthopedic Specialty certification, he remained for an additional two years as a Specialist Orthopedic Surgeon. During his residency, he received extensive training in managing injuries of all severities, sports-related injuries, and arthroplasties, actively participating in a large number of surgical procedures across the full spectrum of Orthopedics. He holds the Barca Innovation Hub Professional Diploma in Team Sports Injuries and the FIFA Diploma in Football Medicine, confirming his advanced expertise in sports medicine. In 2023, he served as a physician for the AEK Football Club, and from September 2024 to the present, he has been the team physician for the Academies of Panathinaikos Football Club. He also has a robust scientific portfolio with publications and presentations at Greek and international medical conferences and journals.

Ο Χρηστογεώργος Πάρις, MD, MSc είναι Ορθοπαιδικός Χειρουργός και Τραυματολόγος με εξειδίκευση στις παθήσεις και τη Χειρουργική της Σπονδυλικής Στήλης. Ο ιατρός είναι απόφοιτος της Ιατρικής Σχολής του Πανεπιστημίου Κρήτης και κάτοχος Μεταπτυχιακού Διπλώματος (Master of Science, MSc) στην «Άθληση και Υγεία» με βαθμό Άριστα από την Ιατρική Σχολή Αθηνών του Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών. Εκπλήρωσε την ειδίκευσή του στη Γενική Χειρουργική στο 251 Γενικό Νοσοκομείο Αεροπορίας (2014-2015). Ξεκίνησε και ολοκλήρωσε την ειδίκευσή του στην Ορθοπαιδική Χειρουργική και Τραυματολογία στο Γενικό Νοσοκομείο Αθηνών «Γ. Γεννηματάς» (2016-2021), όπου απέκτησε ιδιαίτερη εμπειρία στη διάγνωση και χειρουργική αντιμετώπιση σύνθετων καταγμάτων, κακώσεων, χρόνιων εκφυλιστικών παθήσεων και παραμορφώσεων του άνω και του κάτω άκρου . Στο πλαίσιο της ειδικότητας, εκπαιδεύτηκε στο Τμήμα Σκολίωσης και Σπονδυλικής Στήλης του Γ.Ν.Α. «ΚΑΤ» (2019-2020), όπου απέκτησε εμπειρία στην ολοκληρωμένη αντιμετώπιση όλου του φάσματος των παθήσεων, σύνθετων παραμορφώσεων και κακώσεων της Σπονδυλικής Στήλης. Ακόμα, εκπαιδεύτηκε στην Παιδο-ορθοπαιδική στο Νοσοκομείο Παίδων «η Αγία Σοφία» (2020-2021), όπου ήρθε σε επαφή με μεγάλο όγκο κακώσεων και παραμορφώσεων του παιδιατρικού πληθυσμού. Ο ιατρός εκπαιδεύτηκε ως Fellow στο Centre for Spinal Studies and Surgery του Queen’s Medical Centre, Nottingham University Hospitals στο Nottingham του Ηνωμένου Βασιλείου (2023), το οποίο αποτελεί διεθνώς αναγνωρισμένο Κέντρο Αριστείας κι Αναφοράς για τις παθήσεις, παραμορφώσεις και κακώσεις της Σπονδυλικής Στήλης στο Ηνωμένο Βασίλειο, καθώς και Κέντρο Εκπαίδευσης της AO Spine. Σήμερα, ο ιατρός εργάζεται ως Επιμελητής Ορθοπαιδικός- Χειρουργός Σπονδυλικής Στήλης στην Κλινική Σπονδυλικής Στήλης, Κέντρο Σκολίωσης, Τραύματος και Ογκολογίας Σπονδυλικής Στήλης του Νοσοκομείου Metropolitan General στην Αθήνα. Είναι διδάσκων του σεμιναρίου «Πρώτες βοήθειες- ορθοπαιδικά επείγοντα» για προπτυχιακούς και μεταπτυχιακούς φοιτητές της Ιατρικής Σχολής Αθηνών, ΕΚΠΑ από το 2019 έως σήμερα και ομιλεί άπταιστα Αγγλικά και Γερμανικά. Συμμετέχει ενεργά σε εγχώρια και διεθνή συνέδρια καθώς και επιμορφωτικά σεμινάρια και παράγει ερευνητικό έργο. Τέλος, είναι μέλος της Ελληνικής Εταιρίας Χειρουργικής Ορθοπαιδικής και Τραυματολογίας (Ε.Ε.Χ.Ο.Τ.) καθώς και του Ιατρικού Συλλόγου της Μεγάλης Βρετανίας (G.M.C.).

Flevarakis Georgios is an Orthopedic Surgeon and maintains private practices in Voula, Cholargos within Metropolitan General, and in Neos Kosmos within Athenian Lab & Medicine. He graduated from the Medical School of the University of Patras, where he was admitted following nationwide examinations. His initial exposure to Orthopedic specialization was at the Orthopedic Clinic of the Naval Hospital of Athens (2006-2008). From 2008 to 2011, he served in the Orthopedic Oncology Department of the Anticancer-Oncology Hospital "Agios Savvas". In 2011, he continued his specialization in the Shoulder Surgery Department of the General Hospital Asklipieio Voula. In 2014, after completing his specialization, he obtained the title of Orthopedic Surgeon following examinations. From 2014 to 2016, he held a salaried position (Clinical Shoulder and Elbow Fellow) in the Shoulder and Elbow Surgery Department of the University Hospital of Liverpool, one of the largest referral centers in the United Kingdom. Since returning to Greece in 2016, he maintains his private practice in Voula and also works at the private hospital Metropolitan General as a consultant in the 3rd Orthopedic Clinic - Minimally Invasive Surgery.

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.

Tsonis Konstantinos is an Orthopedic Surgeon. He maintains a private practice in Peristeri. He offers a personalized approach and treatment for a wide range of acute and chronic conditions affecting the upper and lower limbs as well as the spine. He has worked at the Metaxa General Oncology Hospital, the Athens General Children's Hospital "Panagiotis & Aglaia Kyriakou," and the General Hospital of Nikaia, where he received training in Trauma Orthopedics, managing chronic conditions such as knee and hip osteoarthritis, peripheral compressive neuropathies like Carpal Tunnel Syndrome, lumbar and cervical spine disorders, as well as metabolic diseases. Additionally, he has participated in the activities of the Neurosurgery Clinic and the Intensive Care Unit at the Metaxa General Oncology Hospital. He possesses extensive experience in Pediatric Orthopedics. Finally, he exhibits particular sensitivity to sports injuries and is himself an amateur long-distance runner.

Dr. Kyrilis Xristos MD, MSc is an Orthopedic Surgeon - Spine Surgeon specializing in spinal surgery, as well as endoscopic spinal surgery, and maintains a private practice in Vrilissia. He was admitted to the Medical School of Aristotle University of Thessaloniki and, after completing his studies and fulfilling his military obligations, he began the general part of his specialty in Orthopedics and Traumatology at the General Surgery Clinic of the General Hospital of Agrinio. Since 2014, he worked as an Orthopedics and Traumatology resident at the Attica General Hospital KAT, in the 1st Orthopedic Clinic, until September 2019. During this period, he participated in numerous surgical procedures and contributed to the operation of all departments of the Clinic. Additionally, he was seconded to the Scoliosis and Spine Department of the General Hospital KAT, where he participated in the diagnosis and management of complex cases, covering the entire spectrum of spinal pathology. During his specialty training, he attended numerous educational conferences and seminars, enhancing his knowledge and experience. Continuing his education, he completed his postgraduate studies program at the National and Kapodistrian University of Athens, focusing on the "Rehabilitation of Spinal Cord and Spinal Cord Injuries." Today, he works as a Scientific Associate at YGEIA Hospital and as a Consultant in the Spine, Scoliosis, and Oncology Department of Metropolitan General Hospital. With his experience and expertise, he is committed to providing high-quality medical care, focusing on pain relief and the restoration of mobility for his patients.

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.

Dr. Sinnis Gerasimos is an Orthopedic Surgeon - Traumatologist who has maintained a private practice in Ampelokipi since October 2014. He holds a medical degree from the University of Bologna in Italy. He specialized in Orthopedic Surgery and Traumatology at the General Hospital of Athens "Evangelismos," followed by training in the Microsurgery and Hand Department of the General Hospital of Attica KAT, and finally at the 2nd Orthopedic Clinic of the Children's General Hospital "P. & A. Kyriakou." For two years (05/2012 - 04/2014), he completed paid postgraduate training in hip and knee reconstructive surgery in Bologna, Italy, at the private clinic Casa di Cura "Villa Erbosa" (San Donato Hospital Group), in the Clinic for Degenerative and Dysplastic Hip Diseases, under the supervision of Professor Roberto Binazzi. From 02/2022 to 10/2023, he served as a physician for the football team of P.A.E. Panathinaikos, while from 09/2015 to 10/2019 he was head of the medical department of the P.A.E. Panathinaikos Academy, gaining significant experience with sports injuries in children and adults. He holds a postgraduate degree titled "Metabolic Bone Diseases" from the National and Kapodistrian University of Athens and is a final-year student in the postgraduate program "Exercise and Health" at the same institution.

Orthopedic Surgeon Mpekas Georgios maintains private clinics in Pangrati, Agioi Anargyroi, and Palaio Faliro. He graduated from the Medical School of the National and Kapodistrian University of Athens and subsequently attended a postgraduate program in Metabolic Bone Diseases. He specialized in General Surgery at the General Hospital of Messolonghi "Chatzikosta" and in Orthopedics at the General Hospital "Asklipieio" Voula and the Children's General Hospital "Panagiotis & Aglaia Kyriakou," where he also engaged in Pediatric Orthopedics. Additionally, he completed a six-month specialization in the Microsurgery - Upper Limb department at the Attica General Hospital KAT. He has worked as an Orthopedic Surgeon Consultant at Metropolitan Hospital. The physician holds an Advanced Life Trauma Support diploma and is a member of the Hellenic Osteoporosis Foundation. Besides his private clinics in Pangrati and Agioi Anargyroi, Mpekas Georgios also works as an Orthopedic Surgeon at the Athens Medical Center (Marousi Clinic) and as an Associate Orthopedic Surgeon at the private clinic REA. Concurrently, he works as a Pediatric Orthopedic Consultant at the Pediatric Center of Athens (Athens Medical Group). The physician approaches each case with particular sensitivity, providing appropriate treatment tailored to the specific needs of each patient and their condition. He undertakes the surgical management of emergency orthopedic cases (fractures). Furthermore, his medical team manages numerous elective orthopedic surgical cases (arthroscopies, total arthroplasties, upper limb microsurgery, sports injuries). Finally, modern biological therapies (PRP, hyaluronic acid and cortisone injections) are performed in the clinic.

Nikolas Bourganos is an Orthopedic Surgeon-Traumatologist at Children's Orthopedic Clinic of Athens Pediatric Center. He is also an external associate of General Orthopedics at Athens Medical Center. He maintains a private practice in Cholargos, Athens. He graduated from Medical School of Larissa and is a PhD candidate of Athens Medical School. He specialized at Amfissa Hospital for one year, where he came into contact and treated a number of sports related injuries. Affterwards, he continued his specialty at KAT Attica General Hospital. During his residency he specialized in Microsurgery and Hand Surgery in the homonymous department of KAT General Hospital, as well as in Children's Orthopedics at Pendeli's Children's Hospital. He has participated in many seminars and conferences in Greece and abroad, while he has publications in international journals. He is a member of the SITEMSH and ISSS global organizations that specialize in treatment and prevention of injuries during Skiing and Snowboarding, while he has carried out publications and presentations focusing on the above mentioned injuries of children, adolescents and adults.

Ο Δρ. Νικόλαος Καλύβας είναι Ορθοπαιδικός Χειρουργός με 15ετή εμπειρία στο Σύστημα Υγείας της Γερμανίας (2010–2025). Απο το 2026 διατηρεί ιδιωτικό ιατρείο στους Αμπελόκηπους (έναντι της αμερικανικής πρεσβείας). Για περισσότερα από 15 έτη εργάστηκε σε κλινικές υψηλού επιπέδου της Γερμανίας, ενώ από το 2017 υπηρέτησε ως Επιμελητής και από το 2021 ως Αναπληρωτής Διευθυντής σε πιστοποιημένο κέντρο ενδοπροσθετικής (EPZmax), διενεργώντας συνολικά πάνω από 11.000 χειρουργικές επεμβάσεις.

Εξειδικεύεται σε αρθροπλαστική Ισχίου με τεχνική AMIS, ρομποτική και εξατομικευμένη Αρθροπλαστική Γόνατος, αρθροπλαστική Ώμου με ελάχιστα επεμβατική προσπέλαση και αρθροσκοπική Χειρουργική Ώμου & Γόνατος.

Εφαρμόζει πρωτόκολλα ταχείας αποκατάστασης (Rapid Recovery – Fast Track) με στόχο την άμεση κινητοποίηση και την ασφαλή επάνοδο των ασθενών. Διαθέτει επιπλέον εξειδίκευση στην Αθλητιατρική, τη Χειροθεραπεία και την υπερηχογραφική διάγνωση του μυοσκελετικού συστήματος, καθώς και στον έλεγχο ισχίων νεογνών κατά Graf. Στη διαγνωστική του προσέγγιση αξιοποιεί συστηματικά τη δεξιότητά του στην υπερηχογραφία μυοσκελετικού, επιτρέποντας άμεση, δυναμική και στοχευμένη αξιολόγηση των παθήσεων.

Η εξειδίκευσή του στην Αθλητιατρική και τη Χειροθεραπεία διαμόρφωσε μια πιο ολιστική και λειτουργική προσέγγιση απέναντι στον ασθενή. Ο Δρ. Καλύβας δίνει προτεραιότητα στη συντηρητική θεραπεία, η οποία περιλαμβάνει εξατομικευμένα πρωτόκολλα αποκατάστασης καθώς και υπερηχογραφικά καθοδηγούμενες εγχύσεις κορτιζόνης, υαλουρονικού οξέος και PRP (Platelet Rich Plasma).

Εφόσον έχει εξαντληθεί κάθε πιθανότητα βελτίωσης της πάθησης του ασθενούς με συντηρητική θεραπεία, προτείνει τη χειρουργική αντιμετώπιση μόνο όταν αυτή είναι πραγματικά απαραίτητη.

Στόχος του είναι η παροχή ιατρικής φροντίδας ευρωπαϊκού επιπέδου, με ασφάλεια, διαφάνεια και σεβασμό στον ασθενή.

Vottis Xristos MD, PhD is an Orthopedic Surgeon with private practices in Ilisia and Neo Psychiko. He holds a doctorate and a degree from the Medical School of the National and Kapodistrian University of Athens and trained for several years at the 1st Orthopedic Clinic of the same university, where he continues to serve as an active collaborator. Additionally, he has specialized in hip and knee arthroplasty surgeries at the Hospital for Special Surgery in New York, USA, and has been trained in hand surgery at the specialized Hand, Upper Limb, and Microsurgery Clinic at the General Hospital of Attica "KAT". Furthermore, he is an Associate Physician of the Iatriko Group as well as the Evgenidio Therapy Center. Finally, he is a member of the Athens Medical Association, the Hellenic Society of Orthopedic Surgery and Traumatology, the Hellenic Society of Hand Surgery, and the Medical Association of the United Kingdom.

Spyridon Kseinis is an Orthopedic Surgeon maintaining private clinics in Pefki and Psychiko. He is the Deputy Director of the 1st Clinic of Sports Injuries at METROPOLITAN GENERAL and holds a Doctorate from the Medical School of the National and Kapodistrian University of Athens since May 2014, awarded with the grade "Excellent." Since 2008, he has collaborated with the Hellenic Football Federation (EPO) and serves as the physician for the National Futsal Team. Concurrently, he is UEFA-accredited, having completed the "UEFA Football Doctor Education Programme." He is a member of the Hellenic Society of Orthopedic Surgery and Traumatology and the Hellenic Society for the Study of Bone Metabolism. He trained at the General Accident Hospital KAT, specializing in fracture management, reconstructive joint surgery (knee and hip arthroplasty), and sports injuries. Following his specialization, he assumed the position of Registrar at the 2nd Orthopedic Clinic of KAT Hospital, where he remained for four years. During his tenure as Registrar, he gained substantial surgical experience, serving as the lead Orthopedic Surgeon in numerous emergency shifts and successfully performing a large number of surgical interventions across the full spectrum of trauma (upper and lower limb fractures, hip fractures, tendon ruptures, hand surgery), reconstructive surgery (hip and knee arthroplasties), and sports injuries (arthroscopic surgery). Additionally, he received training in Pediatric Orthopedics at the "Agia Sophia" Children's Hospital and in disorders of the Hand during his tenure at the University Hospital "Sahlgrenska University Hospital" in Gothenburg, Sweden.

Dr. Nikolopoulos Ioannis, MD, MSc, is an Orthopedic Surgeon, graduate of the Medical School of the University of Ioannina, with a Master's degree in Metabolic Bone Diseases. He is a Scientific Associate - Orthopedic Surgeon at Metropolitan Hospital and maintains private practices in Aspropyrgos and at the Medica Polyclinic in Agios Stefanos. He provides high-level services for the treatment and rehabilitation of a wide range of orthopedic and musculoskeletal conditions in adults and children, such as chondropathy, osteoarthritis, scoliosis, kyphosis, fractures, sports injuries, and upper limb neuropathy. Additionally, he offers consulting services for osteoporosis screening. He specializes in Minimally Invasive Surgery for performing surgical procedures such as total hip and knee arthroplasty, and continues to enhance his surgical expertise abroad. Moreover, he has numerous publications in reputable international and Greek scientific journals and has participated as a speaker at domestic and international conferences.

Dr. Kostakos Thomas, MD, PhD, FRCS (Tr&Orth) is a specialized Orthopedic Surgeon - Sports Medicine Physician and maintains his private practice in Chalandri. He specializes in Hip and Knee Arthroplasty (robotic and conventional). He is a graduate of the Medical School of Charles University in Prague. He completed his specialty training in Orthopedics and Traumatology in the United Kingdom. He worked and specialized in Robotic Hip and Knee Arthroplasty at the Elective Orthopaedic Centre of University College London Hospital. Non-surgical options are thoroughly explored and managed in close collaboration with physiotherapists, radiologists, and physicians of other specialties, always personalized and according to the patient's needs. When surgical intervention is required, Mr. Kostakos provides an extremely individualized approach in every case, ensuring that the patient remains consistently at the center of decision-making. Mr. Kostakos employs the most modern techniques for bone stock preservation and minimally invasive surgical approaches.

Kyrou Georgios is an Orthopedic Surgeon Consultant at the 3rd Orthopedic Clinic of the private hospital Iaso in Marousi, while maintaining a private practice in Kallithea. He has previously served as a specialist and resident physician in some of the most prominent public hospitals in the country, including the General Hospital of Attica “Sismanoglio - Amalia Fleming,” the University General Hospital "Attikon," the General Oncology Hospital of Kifisia (G.O.N.K.), and the General Children's Hospital of Athens "Panagiotis and Aglaia Kyriakou," covering a wide range of pathology and surgical cases. A graduate of the Medical School of the University of Patras, he has actively participated in national and international conferences and possesses experience in a variety of interventional techniques and musculoskeletal system disorders. He has also received additional training through seminars in areas such as upper limb surgery, reconstructive surgery, sports injuries, and traumatology. His clinical and scientific focus is on the optimal, evidence-based, and individualized management of orthopedic conditions, emphasizing functional rehabilitation and the minimization of postoperative complications.