Doctors for Arthroplasty

Dr. Panagopoulos Georgios is a Director Orthopedic Surgeon with extensive training and surgical experience in the United States of America and the United Kingdom. Although he is involved in the entire spectrum of Orthopedic Surgery, his primary area of expertise/interest is Arthroscopic and Reconstructive Surgery of the Upper Limb (shoulder, elbow, and hand). Dr. Panagopoulos has completed numerous long-term fellowship programs in the upper limb and has served at the highest level as a Consultant Orthopedic Surgeon at one of the largest Trauma Centers in Europe. Dr. Panagopoulos was born and raised in Athens. He completed his medical studies at the Medical School of the University of Rome, graduating with honors (magna cum laude). Subsequently, he completed his Residency in Orthopedic Surgery & Traumatology at the University Orthopedic Clinic of the University of Athens (Attikon University General Hospital). Dr. Panagopoulos expanded his training by completing a fellowship program in the Upper Limb in Pittsburgh, USA (2016-2017). He then served at the world-renowned Shoulder-Elbow Clinic in Reading, United Kingdom (2018-2020), as well as at the Royal National Orthopaedic Hospital in Stanmore (2020). Dr. Panagopoulos subsequently worked as a Consultant Orthopedic Surgeon at the Royal London Hospital, one of the largest Trauma Centers in the United Kingdom and Europe. He holds a PhD from the Medical School of the National and Kapodistrian University of Athens.

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

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

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

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

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

Georgios Papadakis is an Orthopedic Surgeon who maintains private practices in Marousi and Ilion. He graduated from the Medical School of Charles University in Prague and holds a postgraduate diploma in Metabolic Bone Diseases and Osteoporosis from the National and Kapodistrian University of Athens. He has gained significant clinical experience working in major clinics in Athens, and his continuous presence and lectures at numerous conferences related to his specialty are noteworthy. He is a member of the Hellenic Society of Orthopedic Surgery and Traumatology, the Electronic Osteoporosis Society, the Hellenic Osteoporosis Foundation, and the Hellenic Arthroscopic Society. Furthermore, he manages cases covering the entire spectrum of orthopedic surgery, with specialization in trauma surgery, spinal surgery, and robotic surgery.

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.

Dr. Georgios Tsakotos MD, MSc, PhD Orthopedic Surgeon - Assistant Professor, Medical School, National and Kapodistrian University of Athens Georgios Tsakotos was born in Tripoli, Arcadia. After completing secondary education in Tripoli, he was admitted to the Medical School of the National and Kapodistrian University of Athens. From 2006 to 2012, he trained as an Orthopedic Surgeon at the 4th Orthopedic Clinic of "KAT" Hospital. He has received further training abroad in sports medicine, arthroscopic and reconstructive orthopedic surgery. He has participated, presenting papers and lectures, in numerous medical scientific conferences in Greece and abroad. He has authored and published over 100 research scientific articles in peer-reviewed international medical journals. He holds a distinction as Doctor of Philosophy (PhD) from the Medical School of Athens, a Master's degree (MSc) in metabolic bone diseases – osteoporosis from the Medical School of Athens, is a member of the Hellenic Osteoporosis Foundation (EL.I.OS.), the Hellenic Society of Orthopedic Surgery and Traumatology (E.E.CH.O.T.), the Hellenic Arthroscopy Society, the Hellenic Society of Anatomy and Surgical Anatomy, is a Full Member of the European Hip Society, a Member of the European Society of Sports Traumatology, Knee Surgery & Arthroscopy (ESSKA), Member of European Knee Associates (EKA), and an Associate Member of ISAKOS (International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine). He serves as Assistant Director and Orthopedic Surgeon at the "METROPOLITAN" Hospital, in the Sports Injuries and Reconstructive Orthopedic Surgery department. He is Assistant Professor at the Medical School of the National and Kapodistrian University of Athens.

Alafropatis Ilias is an Orthopedic Surgeon maintaining a private practice in Evosmos, Thessaloniki. He graduated from the Medical School of Aristotle University of Thessaloniki. He began his specialization at the Surgical Clinic of the General Hospital of Lamia, continued at the Orthopedic Clinic of the General Hospital of Kavala, and subsequently was appointed to the 3rd University Orthopedic Clinic of Aristotle University of Thessaloniki at Papageorgiou General Hospital. He obtained the specialist title in Orthopedic Surgery and Traumatology after successful examinations in 2015 and concurrently received the diploma of the Hellenic College of Orthopedic Surgeons. He has been a scientific collaborator of the 3rd University Orthopedic Clinic of Aristotle University of Thessaloniki since obtaining his specialty to the present day. He served as an Orthopedic consultant for the MDA Hellas department operating in the 2nd University Pediatric Clinic of Aristotle University of Thessaloniki, where adults and children with neuromuscular disorders are treated. Throughout his scientific career, he has participated in numerous conferences, seminars, and educational events, contributed to the authorship of various scientific papers in Greek and international scientific journals, authored a book published by an international publisher of scientific monographs, and has been involved in the education of medical students at the Medical School of Aristotle University of Thessaloniki. Finally, the physician has been trained in a broad spectrum of orthopedic surgeries encompassing both trauma surgery and reconstructive orthopedic surgery, with particular interest in upper limb and hand pathologies, and has established collaborations with all private clinics in Thessaloniki.

Georgoudis Mixalis is an Orthopedic Surgeon – Spine Surgeon and maintains private practices in Chalkida, as well as within Metropolitan Hospital in Faliro.

He graduated from the Medical Department of Democritus University of Thrace. He has worked as an Orthopedic Surgeon in the 2nd Orthopedic Clinic and as a Resident Orthopedic Surgeon in the Scoliosis and Spine Department and in the Pediatric Orthopedics Clinic of the G.N.A KAT General Hospital. He is specialized in hip and knee arthroplasty, arthroscopic surgery, and spinal surgery.

He serves as an External Associate of Metropolitan Hospital in Faliro and the Athens Medical Center – Psychiko Clinic. He has served as Director of the 2nd Orthopedic Department at Euroclinic Athens, as well as Consultant of the Minimally Invasive Spine Surgery Department (MISS) at the Athens Medical Center. Additionally, as a resident, he worked at the General Prefectural Hospital of Chalkida and the General Hospital of Chios "Skylitseio".

He has participated in numerous national and international scientific conferences and seminars, with his scientific work published and presented in medical journals and conferences respectively. Particularly noteworthy is the Travel Fellowship he received from the E.E.X.O.T. for his participation in the FORTE Summer School held in 2018 in Milan.

Finally, the doctor is a member of the Medical Associations of Athens and Evia, the Hellenic Society of Orthopedic Surgery and Traumatology, and the Hellenic Osteoporosis Foundation.

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.

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.

Orthopedic Surgeon Dr. Alkiviadis Kallivokas, BSc, MD, PhD, specializes in modern arthroscopic and arthroplasty surgery of the hip, knee, and shoulder, utilizing minimally invasive techniques (AMIS and MIS) and robot-assisted surgery, with the aim of rapid recovery, reduction of postoperative pain, and immediate return of patients to their daily activities. He holds degrees in Medicine and Biology from the University of Athens and a PhD in Orthopedics from the University of Patras, with significant scientific activity and publications in international scientific journals. He has been trained and worked at leading hospitals in Greece and the United Kingdom and has served as Director of Orthopedics and Traumatology at Homerton University Hospital in London. He possesses extensive experience in the management of diseases and injuries of major joints, including arthroscopies of the hip, knee, and shoulder, arthroplasty procedures, sports injuries, and orthopedic trauma. He collaborates with the Athens Medical Center (Neo Psychiko) and the Evgenidio Hospital, providing personalized therapeutic solutions focused on the needs of each patient. His medical approach is based on accurate diagnosis, comprehensive patient education, and the establishment of a trust-based relationship with the patient.

Katsougkrakis Ilias is an Orthopedic Surgeon, serving as Deputy Director of the Robotic Orthopedic Surgery and Pediatric Orthopedics Clinic at Metropolitan Hospital. He maintains private practices in Ilioupoli and Sparta, Laconia. After completing his specialty training, he went to the United Kingdom where he completed a postgraduate specialization program, a Fellowship, in Arthroscopic Surgery and Knee and Shoulder Arthroplasty at East Surrey Hospital in Redhill, England. From 2012 to 2017, he worked as an Orthopedic Consultant in Adult and Pediatric Traumatology and Hip, Knee, and Shoulder Arthroplasty at Ealing Hospital in London and East Surrey Hospital in Redhill. He holds a degree from the Medical School of the University of Novi Sad in Serbia and obtained his medical specialty title from the 6th Orthopedic Clinic of the General Hospital "Asklipieio Voulas." After completing his specialty, he worked as the coordinating physician of the Parnassos Ski Center. Finally, he completed a postgraduate program in Health Units Management and Crisis Management at the University of Peloponnese. He maintains private practices in Ilioupoli and Sparta, Laconia.

Dimitrakis Nikolaos MD, MSc is an Orthopedic Surgeon and serves as an Assistant Consultant at the General Hospital "Asklipieio" Voula. He maintains a private practice in Glyfada within MEDIONE. He specialized in the Orthopedic Clinic - Sports Injuries Department at the General Hospital "Asklipieio" Voula, as well as at the General Children's Hospital "Agia Sofia" and the General Children's Hospital "P. & A. Kyriakou." As part of his specialty training, he was trained in the Hand - Upper Limb - Microsurgery Department at the Attica General Hospital KAT. He has completed postgraduate studies in "Metabolic Bone Diseases" at the Medical School of the National and Kapodistrian University of Athens, with a thesis on ''Congenital and Neuromuscular Scoliosis.'' He has also undergone further training in preventive screening for spinal deformities in students at the General Hospital of Piraeus "Tzaneio." In his practice, he manages cases spanning the entire spectrum of orthopedics, orthopedic surgery, and pediatric orthopedics, with specialization in traumatology, sports injuries, arthroscopy, and arthroplasty. Furthermore, the doctor has participated in numerous conferences and seminars both in Greece and internationally and is a member of the Hellenic Society of Orthopedic Surgery and Traumatology. Holder of the Diploma of the

Hellenic Spine Society 

Dimitrios Xrysovitsianos is an Orthopedic Surgeon who maintains a private practice in Ilion. He holds a degree from the Medical School of the National and Kapodistrian University of Athens and specialized in Orthopedics - Orthopedic Surgery at the Attikon General Hospital of Athens KAT. He is specialized in microsurgery, upper limb and hand surgery, sports injuries, pediatric and adult trauma, osteoporosis, arthritis treatment, hip and knee arthroplasties, and foot disorders. He serves as the Chief of the Orthopedic Clinic of the Upper Limb Surgery - Traumatology Department at Euroclinic Athens, as well as Consultant at the First Pediatric Orthopedic Clinic of the Marousi Medical Center. Additionally, he is a member of the SOS Doctors. Previously, he has served as Consultant in Upper Limb Surgery at Metropolitan Hospital. He has significant professional experience in private hospitals in Athens, having worked in these institutions since 2001. Finally, the doctor has participated in numerous lectures and orthopedic conferences and has authored many medical papers, aiming for continuous engagement with advancements in his field.

Dr. Natsioulas Nikolaos is an Orthopedic Surgeon who maintains a private practice in Agia Paraskevi and concurrently serves as a Consultant in the Orthopedic Clinic of the Naval Hospital of Athens. He was admitted through nationwide examinations to the Medical Department of the Military Academy of Corps Officers and to the Medical School of Aristotle University of Thessaloniki. He graduated in 2006 with the grade "very good" and was commissioned as an Ensign in the Hellenic Navy. He initially served as a physician on the Hellenic Navy's frigate Elli, and in 2009 began his specialization in Orthopedic Surgery at the Naval Hospital of Athens. In 2011, he moved to Glasgow, United Kingdom, where he completed a 4-year residency in Orthopedic Surgery and Traumatology. In 2015, after examinations, he became a member of the Royal College of Surgeons of Great Britain (Fellow of the Royal College of Surgeons), and in 2017, after examinations, a member of the European Board of Orthopaedics and Traumatology (FEBOT), making him one of the few Orthopedic surgeons in Greece holding both titles. The doctor has acquired significant experience in the conservative and surgical management of Orthopedic and Traumatology conditions. He operates privately at Metropolitan General in Cholargos and at other private clinics in Athens.

Rontogiannis Georgios is an Orthopedic Surgeon who maintains a private practice in Chalkida. He graduated from the Medical School of the National and Kapodistrian University of Athens. He possesses considerable clinical experience, having specialized in major clinics in Germany. Upon his return to Greece, he assumed the position of Consultant in the Orthopedic and Sports Orthopedic Clinic at Metropolitan Hospital. The physician specializes in arthroscopy, minimally invasive hip arthroplasty, as well as knee arthroplasty.

Ksomeritaki Eleni is an Orthopedic Surgeon and maintains a private practice in Pangrati. She studied at the Medical School of the University of Crete in Heraklion. She served her mandatory Rural Service at the Vamou Health Center in Chania. In 1998, she obtained her specialty title in Orthopedic Surgery and Traumatology. She specialized in Orthopedics at the Asklipieio Hospital of Voula and at KAT Hospital in specialized departments of hand surgery, microsurgery, and pediatric orthopedics. Additionally, she completed postgraduate studies in the organization and management of health services. She has completed three years of training in medical acupuncture (2 years at the Northern Greece Institute of Acupuncture and 1 year at the Medical Acupuncture Training Center) and holds certification according to the standards of ICMART - International Council of Medical Acupuncture Related Techniques. Furthermore, she has been trained in homeopathy. Alongside Orthopedics, she has been practicing acupuncture since 2010, primarily addressing musculoskeletal pain by administering homeopathic medicines in combination.

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.

Sakellariou Vasileios MD, MSc, PhD is an Orthopedic Surgeon and maintains a private practice, Athens Orthopedic Experts, in Nea Smyrni and Marousi. He holds a Doctorate from the Medical School of the University of Athens and a postdoctoral fellowship from the Biomechanics and Motion Analysis Laboratory at the Mayo Clinic in Minnesota, USA. He also holds a Medical Degree and a postgraduate degree in "Metabolic Bone Diseases" from the National and Kapodistrian University of Athens. He has specialized in minimally invasive hip and knee surgeries, as well as robot-assisted hip and knee arthroplasty in the USA. He possesses extensive professional experience in the treatment of sports injuries, adult reconstructive surgery, and major joint surgery from Orthopedic Clinics in both the United States and Greece. In addition to his private practice, he is the Director of the Robotic Orthopedic Fast-Track Rehabilitation Clinic and the Musculoskeletal Oncology Clinic at the Athens Medical Center, while holding the academic position of University Fellow at the 1st Orthopedic Clinic of the University of Athens with a specialization in Hip and Knee Surgery.

Papaioannou Xristoforos is an Orthopedic Surgeon and Doctor of Medicine from the Medical School of the University of Freiburg, Germany, with a private practice in Agia Varvara. After completing his studies at the Medical School of the National and Kapodistrian University of Athens, he specialized in Orthopedics and Traumatology and sub-specialized in Upper Limb, Hand Surgery, and Microsurgery at major centers in Germany. He is a certified Hand Surgeon (Handchirurg) following examinations at the University of Münster, Germany. He currently maintains a position as an Orthopedic Surgeon in the Department of Orthopedics, Traumatology & Hand Surgery at the Kreisklinikum Siegen clinic, an academic center of the University of Marburg. Furthermore, he specialized in the Department of Orthopedics, Traumatology & Hand Surgery at Darmstadt Hospital (Kreisklinikum Darmstadt). Additionally, he worked at the certified orthopedic center and arthroplasty center, as well as in the spinal surgery department of the orthopedic clinic in Lorsch, Germany, where he specialized in minimally invasive knee and hip arthroplasty surgery and in targeted fluoroscopy-guided injection therapy with slow-release corticosteroids for the management of chronic pain in spinal disorders. Finally, he served for several years as a scientific collaborator at the University of Freiburg and has numerous publications in scientific journals and conferences.