Health professionals for Οστεοαρθρίτιδα near Nea Ionia

Giannopoulos Xristos is a Physiotherapist and operates a private physiotherapy center in Galatsi. He holds a degree in Physiotherapy from the Athens University of Applied Sciences and has attended numerous seminars. He possesses extensive experience in the field of rehabilitation, having worked both in Greece and abroad. Specifically, he worked at the Central Hospital of Mikkeli in Finland, gaining experience with a wide range of orthopedic and neurological cases.

Dr Loupas Dimitrios is an Orthopedic Surgeon and maintains a private practice in Chalandri. He graduated from the Medical School of the National and Kapodistrian University of Athens. He specialized at the University Orthopedic Clinic at KAT Hospital and completed his doctoral dissertation at the Medical School of the University of Athens. He specialized in sports injuries (Sports Injuries Clinic at KAT) and at the Athens Medical Center (under the direction of L. Nikolaou). Additionally, the doctor has worked at the 1st and 3rd IKA Hospitals and has served as Director of the Orthopedic Clinic of the General Hospital of Athens "Evangelismos". He is involved in general orthopedic surgical conditions, with a specialization in disorders of the hand and knee (including knee arthroscopy) and total knee and hip arthroplasties.

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.

Our center caters to individuals who, following accidents or illnesses, require physiotherapy services. We undertake all types of postoperative rehabilitation as well as rehabilitation for neurological and musculoskeletal conditions, cerebrovascular strokes, multiple sclerosis, cerebral palsy, Parkinson's disease, rheumatologic conditions, lymphedema, sports injuries, post-traumatic pain such as lower back pain – sciatica, cervical syndrome, ankylosing spondylitis, and hand injuries.

With over 30 years of experience and active presence in the rehabilitation field, the physiotherapy unit of Physiopolis Kentro Fysikotherapeias Xalandri - Maria Saxa is confident in fully meeting the needs and demands of every case.

The services we offer at our facility are provided by highly trained staff who, combined with the capabilities of the space, comply with the highest standards.

Musculoskeletal rehabilitation (Spine & Pelvis, Shoulder, Elbow - Wrist - Hand, Hip, Knee, Ankle & Foot) - Headache - Sports injuries - Orthotic support / Footprint analysis, Neurological rehabilitation Physiotherapy for children & adults Hydrotherapy / Heated pool Therapeutic exercise - Clinical Pilates (mat/reformer) - Clinical Aqua Pilates Chiropractic - Osteopathy Therapeutic massage Acupuncture / Electroacupuncture Equipment: Diapulse pump, Shockwave (radial ultrasound), RF radiofrequencies (Tecar, Indiba), Magnetic fields / Electromagnetic stimulator (papimi), Lymphatic drainage boots, Supportive technology (Compex, Activ5, Biometrics, HandTutor)

Ο Παπαδόπουλος Παναγιώτης MD, MSc είναι Ορθοπαιδικός Χειρουργός, Υποδιευθυντής της Γ΄ Ορθοπαιδικής Κλινικής ΥΓΕΙΑ. Έχει εξειδίκευση στην Αρθροσκοπική και Ανοικτή Χειρουργική Ώμου και Γόνατος, στις Αθλητικές Κακώσεις, την Επανορθωτική Χειρουργική και στις σύγχρονες συνδυαστικές Βιολογικές θεραπείες. Διαθέτει ιδιαίτερο κλινικό και ερευνητικό ενδιαφέρον στην αντιμετώπιση των παθήσεων του ώμου με σύγχρονες τεχνικές ελάχιστης επεμβατικότητας, προηγμένες αρθροσκοπικές μεθόδους και καινοτόμα βιολογικά πρωτόκολλα, με στόχο τη γρήγορη λειτουργική αποκατάσταση και τη μακροχρόνια σταθερότητα του ώμου. Το 2018 μετεκπαιδεύτηκε στη Λυών της Γαλλίας σε ένα από τα κορυφαία κέντρα χειρουργικής ώμου παγκοσμίως, το Centre Orthopédique Santy – FIFA Medical Center of Excellence, όπου ολοκλήρωσε το Shoulder Clinical Fellowship. Κατά τη διάρκεια της μετεκπαίδευσής του εργάστηκε επίσης στο Hôpital Privé Jean Mermoz, αποκτώντας πρακτική εμπειρία σε εξειδικευμένες επεμβάσεις ώμου, σύνθετες βλάβες τενοντίου πετάλου, αστάθειες, αντιμετώπιση καταγμάτων και επανορθωτικές τεχνικές αρθροπλαστικής υψηλής δυσκολίας, υπό την καθοδήγηση διεθνώς αναγνωρισμένων χειρουργών. Έχει παρουσιάσει επιστημονικές εργασίες, τεχνικές και κλινικά δεδομένα σε πολυάριθμα συνέδρια στην Ελλάδα και το εξωτερικό, συμβάλλοντας στη διάδοση της σύγχρονης αρθροσκοπικής χειρουργικής και της ελάχιστα επεμβατικής προσέγγισης στις αθλητικές κακώσεις και στις παθήσεις του ώμου. Επίσης έχει υπάρξει εκπαιδευτής νεότερων Ιατρών στις πιο σύγχρονες χειρουργικές τεχνικές αντιμετώπισης του συνόλου της παθολογίας του ώμου. Από το 2025 κατέχει τη θέση του Υποδιευθυντή της Γ’ Ορθοπαιδικής Κλινικής του Νοσοκομείου ΥΓΕΙΑ, συμμετέχοντας ενεργά στη λειτουργία της Κλινικής, στην ανάπτυξη θεραπευτικών πρωτοκόλλων και στη διαχείριση σύνθετων περιστατικών. Παράλληλα, αποτελεί μέλος της επιστημονικής ομάδας του Athens Shoulder Institute, συμμετέχοντας: στο Τμήμα Εκπαίδευσης (Education and Training) για την ανάπτυξη και διδασκαλία σύγχρονων τεχνικών χειρουργικής ώμου, στο Τμήμα Οργάνωσης και Κλινικού Έργου, συμβάλλοντας στον συντονισμό, στην παροχή υψηλού επιπέδου κλινικών υπηρεσιών και στην ενιαία στρατηγική του Κέντρου, στο Τμήμα Προβολής και Ενημέρωσης, με στόχο την επιστημονική εξωστρέφεια, τη δημιουργία εκπαιδευτικού υλικού και την αναβάθμιση της παρουσίας του Κέντρου στην ιατρική κοινότητα. Διατηρεί ιατρείο Ελάχιστα Επεμβατικής Χειρουργικής στη Γλυφάδα και το Μαρούσι όπου αντιμετωπίζει εξειδικευμένα παθήσεις ώμου και γόνατος, αθλητικές κακώσεις και σύνθετα ορθοπαιδικά περιστατικά, εφαρμόζοντας εξατομικευμένες, τεκμηριωμένες και βιολογικά ενισχυμένες θεραπευτικές προσεγγίσεις.

Goules Dimitris is an Orthopedic Pathologist - Rheumatologist and maintains private practices in Psychiko, Gyzi, Chalandri, and Ampelokipi. He studied at the Medical School of the National and Kapodistrian University of Athens, where he also specialized in Pathology. He completed his doctoral dissertation at the National Institutes of Health, Bethesda, Maryland (USA). He began his specialization in Rheumatology in London. There, he had the opportunity to participate in J. Cyriax's team for the consolidation and dissemination of Orthopedic Pathology and to engage in the biomechanical pathophysiology of the spinal column, the scientific foundation of osteopathy (manipulation), and injection therapy of the joints and spine. He served for five years as Director of the Rheumatology Department at NIEE and currently serves as a scientific collaborator at the University of Athens. He founded the "Low Back Pain and Spinal Column Clinic" at the University of Athens, which he transferred to the private sector under the name "Institute of Neck Pain, Low Back Pain, and Spinal Column," where he focuses on the conservative non-surgical treatment of spinal diseases, the publication of related articles, and the organization of seminars. He is among the first scientists to have internationally documented that conservative treatment can reduce or eliminate the size of intervertebral disc herniation and that paretic sciatica caused by discopathy is no longer an absolute indication for surgery, but can be managed equally well or better conservatively.

Avramidis Grigorios 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 consultations and performs surgical procedures in Cyprus. He was born and raised in Chalkida and is originally 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. His specializations include Arthroscopy, Robotic Arthroplasty, Hand Surgery, and Sports Injuries. He is officially certified in Robotic Hip and Knee Arthroplasty. He has received multiple scholarships and actively participates in scientific conferences both in Greece and abroad, as well as in the authorship of scientific articles.

Markopoulos Xristos is an Orthopedic Surgeon and a PhD candidate at the Medical School of the University of Athens, with a private practice in Marousi. Concurrently, he serves as a Consultant in the Upper Limb and Microsurgery Department at YGEIA Hospital and has been a member of the medical team for the Panathinaikos BC basketball team. He graduated from the Medical School of the University of Eastern Piedmont in Northern Italy and subsequently specialized in Orthopedic Surgery at the 1st University Orthopedic Clinic of the University of Athens at "Attiko" Hospital. During his specialization, he focused particularly on the Pediatrics and Microsurgery departments at KAT Hospital. Additionally, he holds a postgraduate degree in Metabolic Bone Diseases - Osteoporosis from the National and Kapodistrian University of Athens. He is also a member of the Hellenic Osteoporosis Society and the Hellenic Pain Society. Finally, he has contributed to scientific papers and textbooks that have been presented at conferences and published in journals.

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. After eight years of training in Germany (2009 - 2016) at one of the leading centers for arthroscopic surgery (Sportklinik - Stuttgart), he now maintains private clinics in Vrilissia and Marousi and concurrently serves as an Attending Physician at the Third Orthopedic Clinic of Hygeia Hospital. In 2016, he obtained the sports medicine specialization title in Germany, as well as certification in arthroscopic surgery. Additionally, the physician is trained and certified in musculoskeletal ultrasound.

Elite Physio Rehabilitation Center is located in Chalandri. It is a fully equipped facility for the rehabilitation of acute and chronic musculoskeletal conditions. The scientific director of Elite Physio is the Physiotherapist Milidonis Dimitris, a graduate of A.T.E.I. Athens and a member of the Panhellenic Association of Physiotherapists (P.S.F). The team is complemented by Physiotherapist and Clinical Pilates Instructor Evangelinou Valia, also a graduate of A.T.E.I. Athens, and Physiotherapist and OMT - Specialist Musculoskeletal Physiotherapist Kangiouzis Vasilis. The specialized physiotherapists at Elite Physio are fully qualified in the fields of musculoskeletal and sports rehabilitation. The center applies specialized assessment and the most up-to-date scientific data, providing a high-level, individualized therapeutic approach.

Venetanis Panagiotis is a Physiotherapist who operates a private physiotherapy clinic in Marousi. He graduated from the Department of Physiotherapy of the School of Health Professions and Welfare (SEYP) at the Higher Educational Institution of Athens in 1997. He completed his practical training at the National Rehabilitation Center (EKA). In 1999, he established a Physiotherapy Center in Mouzaki Karditsa, where he remained for 5 years. Subsequently, in 2004, he relocated the Physiotherapy Center to Athens, specifically at 1 Navarinou Street, on the borders of Marousi - Pefki, where he continues to work to this day. He has over 25 years of experience in the rehabilitation of orthopedic and sports injuries, the treatment of neck and lumbar conditions, sciatica, osteoarthritis, tendinitis, epicondylitis, arthroplasties, fractures, neurological cases, etc., with very good responses in managing symptoms and the progression of these conditions.

Topkas Athanasios MD, MSc is an Orthopedic Surgeon - Sports Medicine Specialist, affiliated with the Orthopedic Clinic of "Hygeia" Hospital, and maintains a private practice in Marousi. He graduated with honors from the Medical School of Varna University and holds a Master's degree in Metabolic Bone Diseases from the National and Kapodistrian University of Athens. He began his specialization in Orthopedic Surgery - Traumatology at the General Prefectural Hospital of Edessa and continued his training at the 1st IKA Hospital of Athens and the General Attica Hospital KAT. He worked as a Registrar B at the Sports Injuries Department of the General Attica Hospital KAT and subsequently as a Registrar B in the 2nd Hand Surgery and Microsurgery Department of the same hospital. During his specialization and tenure, he specialized in all surgeries related to the upper limb and the hand. Additionally, he specialized in Sports Medicine, with a particular emphasis on knee arthroscopy and anterior cruciate ligament reconstruction (ligament injuries of the knee). To date, Dr. Topkas remains a Scientific Collaborator of numerous private hospitals and groups such as Hygeia Hospital, the Biomed Group, the Athens and Piraeus Bioclinic, the Euromedica Group, the Errikos Dynan Hospital Center, the Mediterraneo Hospital, the Athenian Clinic, and the Athens Medical Group. Throughout his medical career, he has actively participated in the development of numerous studies, which have been presented at Greek and international conferences, and has contributed to the authorship of publications. He has participated in numerous postgraduate training programs and workshops and has served on organizing committees for various conferences. Finally, he is a member of the Athens Medical Association, the Hellenic Society of Reconstructive Microsurgery, the Hellenic Society for Hand Surgery, and the Hellenic Society for Wound and Ulcer Healing.

Dr. Marina Sykara is a Biologist and a Specialist Rheumatologist, holding a PhD from the Medical School of Athens (NKUA).

She began her studies at the Department of Biology, School of Science, National and Kapodistrian University of Athens, with an early focus on immunology and autoimmunity. After obtaining her first degree, she continued her studies at the Medical School of the University of Athens while simultaneously conducting and successfully completing her Doctoral Thesis with distinction at the same university, focusing on the study of molecular pathogenic mechanisms in systemic autoimmune diseases. She further pursued her research as a postdoctoral fellow at the Medical School of Athens and subsequently at the internationally renowned Molecular Biology Center of the University of Madrid (Centro de Biologia Molecular, Severo Ochoa).

Her specialization in Rheumatology was completed entirely at the University General Hospital “Laiko,” with active participation in the Centers of Expertise for Rare Systemic Autoinflammatory and Autoimmune Diseases, where she gained specialized knowledge and extensive clinical experience.

Her scholarly contributions include original publications in reputable international scientific journals and medical texts, and she has been honored with two European awards of excellence for her contributions to basic and clinical research (EULAR, ERE). She actively participates in international rheumatology scientific conferences and clinical studies. She is a regular member of the Hellenic Rheumatology Society. Her scientific approach is based on evidence-based medical knowledge, clinical precision, and personalized patient care.

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.

Ο Παπαδόπουλος Παναγιώτης MD, MSc είναι Ορθοπαιδικός Χειρουργός, Υποδιευθυντής της Γ΄ Ορθοπαιδικής Κλινικής ΥΓΕΙΑ. Έχει εξειδίκευση στην Αρθροσκοπική και Ανοικτή Χειρουργική Ώμου και Γόνατος, στις Αθλητικές Κακώσεις, την Επανορθωτική Χειρουργική και στις σύγχρονες συνδυαστικές Βιολογικές θεραπείες. Διαθέτει ιδιαίτερο κλινικό και ερευνητικό ενδιαφέρον στην αντιμετώπιση των παθήσεων του ώμου με σύγχρονες τεχνικές ελάχιστης επεμβατικότητας, προηγμένες αρθροσκοπικές μεθόδους και καινοτόμα βιολογικά πρωτόκολλα, με στόχο τη γρήγορη λειτουργική αποκατάσταση και τη μακροχρόνια σταθερότητα του ώμου. Το 2018 μετεκπαιδεύτηκε στη Λυών της Γαλλίας σε ένα από τα κορυφαία κέντρα χειρουργικής ώμου παγκοσμίως, το Centre Orthopédique Santy – FIFA Medical Center of Excellence, όπου ολοκλήρωσε το Shoulder Clinical Fellowship. Κατά τη διάρκεια της μετεκπαίδευσής του εργάστηκε επίσης στο Hôpital Privé Jean Mermoz, αποκτώντας πρακτική εμπειρία σε εξειδικευμένες επεμβάσεις ώμου, σύνθετες βλάβες τενοντίου πετάλου, αστάθειες, αντιμετώπιση καταγμάτων και επανορθωτικές τεχνικές αρθροπλαστικής υψηλής δυσκολίας, υπό την καθοδήγηση διεθνώς αναγνωρισμένων χειρουργών. Έχει παρουσιάσει επιστημονικές εργασίες, τεχνικές και κλινικά δεδομένα σε πολυάριθμα συνέδρια στην Ελλάδα και το εξωτερικό, συμβάλλοντας στη διάδοση της σύγχρονης αρθροσκοπικής χειρουργικής και της ελάχιστα επεμβατικής προσέγγισης στις αθλητικές κακώσεις και στις παθήσεις του ώμου. Επίσης έχει υπάρξει εκπαιδευτής νεότερων Ιατρών στις πιο σύγχρονες χειρουργικές τεχνικές αντιμετώπισης του συνόλου της παθολογίας του ώμου. Από το 2025 κατέχει τη θέση του Υποδιευθυντή της Γ’ Ορθοπαιδικής Κλινικής του Νοσοκομείου ΥΓΕΙΑ, συμμετέχοντας ενεργά στη λειτουργία της Κλινικής, στην ανάπτυξη θεραπευτικών πρωτοκόλλων και στη διαχείριση σύνθετων περιστατικών. Παράλληλα, αποτελεί μέλος της επιστημονικής ομάδας του Athens Shoulder Institute, συμμετέχοντας: στο Τμήμα Εκπαίδευσης (Education and Training) για την ανάπτυξη και διδασκαλία σύγχρονων τεχνικών χειρουργικής ώμου, στο Τμήμα Οργάνωσης και Κλινικού Έργου, συμβάλλοντας στον συντονισμό, στην παροχή υψηλού επιπέδου κλινικών υπηρεσιών και στην ενιαία στρατηγική του Κέντρου, στο Τμήμα Προβολής και Ενημέρωσης, με στόχο την επιστημονική εξωστρέφεια, τη δημιουργία εκπαιδευτικού υλικού και την αναβάθμιση της παρουσίας του Κέντρου στην ιατρική κοινότητα. Διατηρεί ιατρείο Ελάχιστα Επεμβατικής Χειρουργικής στη Γλυφάδα και το Μαρούσι όπου αντιμετωπίζει εξειδικευμένα παθήσεις ώμου και γόνατος, αθλητικές κακώσεις και σύνθετα ορθοπαιδικά περιστατικά, εφαρμόζοντας εξατομικευμένες, τεκμηριωμένες και βιολογικά ενισχυμένες θεραπευτικές προσεγγίσεις.

Dr. Lepetsos Panagiotis is an Orthopedic Surgeon and maintains his private practice in Neo Irakleio. He is a consultant at the Athens Medical Center. The physician graduated from the Medical School of the University of Athens, holds a Master's Degree in Metabolic Bone Diseases, and a PhD in Knee Osteoarthritis. He has worked and specialized in the 4th Orthopedic Clinic of KAT Hospital, the Microsurgery Clinic of KAT Hospital, as well as the Pediatric Orthopedic Clinic of the "Agia Sofia" Children's Hospital. He has specialized in reconstructive hip and knee surgery through a salaried fellowship of the International Society of Orthopaedic Surgery and Traumatology (SICOT). He has worked as a consultant at KAT Hospital (2017 – 2019). He has more than 50 publications in international scientific journals and more than 200 presentations and lectures at international and Greek orthopedic conferences. He has been awarded five times by the Hellenic Orthopedic Society. He is a reviewer for 40 international scientific journals. He has participated in numerous seminars and scientific conferences in Greece and abroad.

Dr. Pantos Panagiotis, MD, MSc, PhD, is an Orthopedic Surgeon with private practices in Marousi, Haidari, and Glyfada. He holds a PhD in Medicine from the National and Kapodistrian University of Athens and is a graduate of the Medical School of the same institution. He also has a master's degree in Public Health from the National School of Public Health. He specialized in Orthopedic Surgery & Traumatology at the 1st Orthopedic Clinic of the National and Kapodistrian University of Athens and received training in the Upper Limb and Microsurgery Clinic at the General Hospital KAT. After completing his specialization, he practiced as an Orthopedic Surgeon in Germany, serving as Oberarzt für Orthopädie und Unfallchirurgie in the Department of Orthopedics and Trauma Surgery, Center for Shoulder Surgery, Asklepios Klinik Seligenstadt. From 2016 to 2020, he worked as Leitender Oberarzt in the Clinic for Shoulder Surgery at Klinik Maingau vom Roten Kreuz, Frankfurt am Main. He is also Head of the Upper Limb Surgery and Sports Injuries Department at Osteon Orthopedic and Spine Clinic. Additionally, he is the Director of the Orthopedic Clinic - Upper Limb Department at the Athens Medical Center. In his private practices, he is capable of treating the full spectrum of shoulder conditions using either arthroscopic or open surgical techniques.

Topkas Athanasios MD, MSc is an Orthopedic Surgeon - Sports Medicine Specialist, Associate of the Orthopedic Clinic at "Hygeia" Hospital, and maintains a private practice in Marousi. He graduated with honors from the Medical School of Varna University and holds a Master's degree in Metabolic Bone Diseases from the National and Kapodistrian University of Athens. He began his specialization in Orthopedic Surgery - Traumatology at the General Prefectural Hospital of Edessa and continued his specialty at the 1st IKA Hospital of Athens and the General Attica Hospital KAT. He worked as a Senior Registrar in the Sports Injuries Department of the General Attica Hospital KAT and later as a Senior Registrar in the B' Hand Surgery and Microsurgery Department of the same hospital. During his specialty and tenure, he specialized in all surgeries related to the upper limb and the hand. Additionally, he specialized in Sports Medicine, with particular emphasis on knee arthroscopy and anterior cruciate ligament reconstruction (ligament injuries of the knee). To date, Dr. Topkas is a Scientific Associate of numerous private hospitals and groups such as Hygeia Hospital, the Bioiatriki Group, the Athens and Piraeus Bioclinic, the Euromedica Group, the Henri Dunant Hospital Center, Mediterraneo Hospital, the Athens Clinic, and the Athens Medical Group. Throughout his medical career, he has actively participated in the creation of a large number of studies, which have been presented at Greek and international conferences, and has contributed to publications. He has attended numerous postgraduate training programs and workshops and has served on organizing committees for various conferences. Finally, he is a member of the Medical Association of Athens, the Hellenic Society of Reconstructive Microsurgery, the Hellenic Society of Hand Surgery, and the Hellenic Society for Wound Healing and Ulcers.