Doctors for Osteoporosis

Dr. Sarantis Mixalis, MD, MSc, PhDc, is an Orthopedic Surgeon with a private practice in Psychiko. Concurrently, he serves as an Orthopedic Consultant specializing in Sports Injuries at Metropolitan Hospital. He has extensive experience, having completed his specialization at the General Children's Hospital "Agia Sofia" and the 4th Orthopedic Clinic of G.N.A. KAT, while also specializing at the same hospital in the Hand-Upper Limb-Microsurgery Clinic, the Sports Injuries Department, and the Pediatric Orthopedic Clinic. In 2018, he successfully completed advanced training in pediatric orthopedic trauma and pediatric skeletal deformities at the Orthopedic Hospital Speising (Vienna, Austria). Since 2019, he holds a Master's degree in "Metabolic Bone Diseases - Osteoporosis" from the Medical School of the National and Kapodistrian University of Athens. In 2020, he was appointed as a doctoral candidate by the Medical School of Athens, and since then he has been pursuing his doctoral thesis at the 2nd Orthopedic University Clinic of the University of Athens (Konstantopouleio Hospital – Agia Olga). He is an active member of the European Paediatric Orthopaedic Society (EPOS), the European Society for Sports Traumatology Knee Surgery and Arthroscopy (ESSKA), the Hellenic Society of Orthopaedic Surgery and Traumatology (EEHOT), and the Athens Medical Association. Finally, he has a rich academic portfolio, authoring numerous publications in peer-reviewed international journals (PUBMED) and actively participating in presentations at Greek and international conferences.

Dr. Nikolaos Tzinieris, MD, MSc, FMH, is an Orthopedic Surgeon who maintains private practices at Mavili Square and in Peristeri. He is the Director of the 2nd ORTHOPEDIC CLINIC - Upper Limb, Hand, and Microsurgery Clinic at the "Errikos Dynan" Hospital Center. He graduated from the Medical School of the National and Kapodistrian University of Athens. During his specialty training, he was also trained at the University Clinic of Hôpital Orthopédique in Lausanne and subsequently was appointed as Assistant Consultant B’ at the Upper Limb-Hand and Microsurgery Clinic of KAT Hospital. He completed his subspecialty training in Upper Limb and Spine Surgery at the University Hospital of Lausanne and served as Consultant at the University Hand and Microsurgery Surgical Clinic Longeraie in Lausanne and at the CH8 Clinic in Geneva, while simultaneously working at major private medical centers in French-speaking Switzerland. Upon returning to Greece, he collaborated with his mentor, N. Gerostathopoulos, and together they established the 2nd Orthopedic Clinic of Errikos Dynan Hospital, assembling an exceptionally esteemed team of experienced and accomplished associates. To this day, he continues to collaborate with surgical centers in Switzerland. Throughout his career, he has delivered numerous lectures and presentations at Greek and international conferences and serves as an instructor in postgraduate training seminars. He also holds a Master's degree, has an extensive number of publications, and is a member of the Swiss Society of Orthopedic Surgeons, the Swiss Medical Association, the American Association for Hand Surgery (AAHS), and the American Spine Surgery Society.

Ο Dr. Ανδρέας Αρτινόπουλος είναι Ορθοπαιδικός Χειρουργός, διατηρεί ιδιωτικό ιατρείο στην Αθήνα και στην Νέα Ερυθραία και είναι συνεργάτης του Νοσοκομείου Ερρίκος Ντυνάν. Εκπαιδεύτηκε στην 4η Ορθοπαιδική Κλινική του Νοσοκομείου ΚΑΤ και στο νοσοκομείο Παίδων "Η Αγία Σοφία", αποκτώντας ολοκληρωμένη εμπειρία σε ολόκληρο το φάσμα της ορθοπαιδικής χειρουργικής και τραυματολογίας ενηλίκων και Παίδων.Πραγματοποίησε μετεκπαίδευση (fellowship) στο Hôpital de La Tour στη Γενεύη, Ελβετία, στη Χειρουργική Ισχίου καθώς και στη Χειρουργική Άκρου Ποδός.Διαθέτει διεθνείς δημοσιεύσεις, συμμετοχές σε συνέδρια και ερευνητικά προγράμματα. Είναι ενεργό μέλος του Ιατρικού Συλλόγου Αθηνών (ΙΣΑ) και της Ελληνικής Εταιρείας Χειρουργικής Ορθοπαιδικής και Τραυματολογίας (ΕΕΧΟΤ).Στόχος του είναι η παροχή σύγχρονης, εξατομικευμένης ορθοπαιδικής φροντίδας βασισμένης στις τελευταίες επιστημονικές κατευθυντήριες οδηγίες.

Mpoukis Mixail is an Endocrinologist-Diabetologist who maintains a private practice in Heraklion, Crete. He is a distinguished PhD graduate of the National and Kapodistrian University of Athens and holds specialty certifications in Endocrinology/Diabetology and Internal Medicine from the Therapeutic Clinic of the University of Athens at "Alexandra" Hospital. He has also been a Research Associate in the Psychopharmacology Department at the University of Reading, United Kingdom. The physician is highly qualified in his field, having been awarded the Academy of Athens Award in the Positive Sciences and the Greek Endocrinological Society Award. Moreover, he has an extensive teaching portfolio, serving as Assistant Professor of Endocrinology at the University of Crete and having taught postgraduate students at the Medical School of the University of Athens, as well as in numerous other private and public institutions. He has published and presented numerous papers at national and international levels. Lastly, the physician specializes in thyroid nodule fine-needle aspirations, having performed approximately 2,500 aspirations, and his clinic offers comprehensive obesity evaluation with modern management of obese patients.

Kyrxanidis Georgios is an Orthopedic Surgeon and maintains a private practice in Palaio Faliro. He graduated in Medicine from the First Moscow State Medical University - Sechenov, Russia. During his specialty training, he demonstrated a strong inclination towards surgery, participating in numerous operations and earning recognition for his proficiency in trauma management. He has worked in demanding public hospitals such as Piraeus General Hospital Tzaneio and Samos General Hospital, acquiring significant experience in orthopedic surgery.

Papavasileiou Ioannis is an Orthopedic Surgeon and maintains a private practice in Serres. He holds a degree from the Medical School of Democritus University of Thrace. He specialized for one year in General Surgery at the General Hospital of Chalkidiki. Additionally, he completed a five-year residency in Orthopedics and Traumatology for adults and children at the General Hospital of Xanthi, where he participated in a wide range of orthopedic surgical procedures including reconstructive surgery, trauma, sports injuries, and hand surgery. During his specialty training, he received education in sports injuries at the Sports Injuries Unit of the General Hospital of Thessaloniki "Agios Pavlos" and at the Neurosurgery Clinic of the General Hospital of Thessaloniki "Hippocratio".

Dr. Kavaratzis Kyriakos is a Specialist in Internal Medicine and has maintained a Private Practice in Alexandroupolis since 2008. He graduated from the Medical School of Plovdiv University and obtained the title of Specialist in Internal Medicine after completing his specialization at the State and A University Internal Medicine Clinic of the University General Hospital of Alexandroupolis, the outpatient clinic for diabetes and obesity, and a concurrent 3-month training in Oncology, Intensive Care Unit, Cardiology, and the Emergency Department. Simultaneously, he has worked as a Specialist in Internal Medicine at I.K.A. Alexandroupolis for 2 years, for 4 years at K.A.P.I. Alexandroupolis, and for 1 year at the Migrant Center in Komotini.

Georgios Sxinas MD, MSc, PhD is an Orthopedic Surgeon with a private practice in Pefki. He holds a doctorate from the National and Kapodistrian University of Athens, specializing in Surgical Orthopedics, and completed advanced training in total joint arthroplasties at the Hospital for Special Surgery (HSS) in New York, supported by a scholarship from the Stavros Niarchos Foundation. As a scholar, he also trained in the sports injuries department of the KAT General Hospital, where he gained extensive surgical experience in sports injuries in both diagnosis and treatment. He serves as a Consultant at Ygeia Hospital and is a former Consultant at the Second Orthopedic Clinic of the General Hospital of Athens "G. Gennimatas," where he acquired significant experience in Emergency Orthopedics, actively participating in the clinic's on-call program. Previously, he worked as a physician in the Orthopedic Clinic at James Paget University Hospital in the United Kingdom. To date, he has authored presentations and publications in renowned scientific and medical journals and has been awarded for the best paper entitled: "Experience and Observations from Bone Lengthening with Unilateral External Fixation Devices."

Kontrarou Eugenia is an Orthopedic Surgeon with a private practice in Agia Varvara. She holds a postgraduate degree in Metabolic Bone Diseases - Osteoporosis from the National and Kapodistrian University of Athens. She is a member of the Athens Medical Association and the Hellenic Osteoporosis Foundation, specializing in sports injuries and osteoporosis. In her private practice, she offers a wide range of services tailored to the individual needs of each patient.

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.

Dr. Giannakos Athanasios-Rene S. is specialized in arthroscopic surgery of sports-related knee and shoulder injuries, as well as in M.I.S. Fast Track total knee and hip arthroplasty. He initiated and completed his Orthopedic Surgery and Traumatology residency at the University General Hospital of Larissa in the Orthopedic Clinic Department under the direction of Professor K.N. Malizos. He is a PhD candidate at the Medical School of the University of Thessaly. During the final year of his residency, he trained in shoulder and knee arthroscopic surgery at the Minimal Access Surgery Unit of the I.R.C.C.S. GSD Hospital, Milan, Italy, under Professor and Director Prof. Pietro Randelli. He also trained in M.I.S. Fast Track total hip and knee arthroplasty and arthroscopic surgery at the Luganese Hospital, Lugano, Switzerland, under Professor and Director Prof. Mateo Denti. Immediately after obtaining his specialty certification, he was appointed as a permanent consultant at the Minimal Access Surgery Unit of the I.R.C.C.S. GSD Hospital, Milan, Italy, under Professor and Director Prof. Pietro Randelli. He began his Sports Medicine specialty at the University Hospital Catanzaro, Italy, following entrance exams, holding a salaried position and scholarship from the E.U., under the direction of Professor Pietro Scotto di Vettimo. During the first year of the specialty, he trained at the University Hospital Chieti, Italy, in the Sports Medicine Department under the direction of Professor Leonardo Vecchiet. There are articles, lectures, and surgeries by him available online. He collaborates with "Athens Medical Center," "Mitera" Hospital, and Mediterraneo Hospital, and is a scientific collaborator. He maintains private practice offices in Chalandri and Nea Smyrni.

Andreopoulos Asimakis is an Orthopedic Surgeon - Sports Medicine Specialist who has maintained his medical practice since 2008 in Ilion, Attica. He has been a Consultant at the 1st Orthopedic Clinic of Metropolitan General since 2008 and a collaborator at the Athens Medical Center in the Peristeri Clinic. He specializes in hip and knee arthroplasties, shoulder and knee arthroscopies, and traumatology. Throughout his career, he has worked in numerous hospitals and clinics, such as the General Hospital of Attica KAT and the General Hospital of Athens "Evangelismos," treating conditions including sports injuries, sciatica, fractures, low back pain, osteoarthritis, osteosynthesis, scoliosis, and spinal stenosis. Finally, he is a member of the Athens Medical Association, the Hellenic Society of Orthopedic Surgery & Traumatology, and the Hellenic Osteoporosis Foundation.

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.

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

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 

Dr. Tsapakidis Giannis was born in Larisa in 1975 and graduated from the Medical School of Aristotle University of Thessaloniki in 2000. He completed his Orthopedic specialty residency at Tzaneio General Hospital of Piraeus, with part of his training conducted at KAT Hospital and Charing Cross Hospital in London. He received a scholarship from AO and worked as a Fellow at the Sports Injuries and Trauma Center of Queens Medical Centre University Hospital in Nottingham. He is a PhD candidate at the University of Athens and a member of AO ALUMNI. Since 2006, he has served as the team physician for the women's basketball team “ESPERIDES” Kallithea (Women’s A1 Basketball Champion for 2006-07 and 2008-09 and Greek Cup Winner for 2005-06, 2006-07, 2007-08, and 2008-09). From 2015 to 2018, he was part of the medical team covering orthopedic concerns for the athletes of KAE AEK. Since 2013, he has provided medical coverage for the basketball team PROTEAS VOULAS and from 2015 to 2025 served as the medical provider for the athletes of the basketball team KAE AMAROUSIOU. From 2021 to 2023, he was the team physician for the WOMEN'S NATIONAL BASKETBALL TEAM, and from 2022 to 2024 for the team of PANIONIOS B.C. Previously, he was part of the medical team covering orthopedic needs of the athletes of KAE PANELLINIOS from 2008 to 2011 and the Cultural and Sports Center “DAIS.” Subsequently, from 2018 to 2022, he provided medical coverage to the athletes of MELLISION and since 2018 to the athletes of ESPEROS B.C. Finally, starting this year, he has been the medical provider for the amateur club PANATHINAIKOS A.O. He has attended specialized seminars/workshops in Traumatology, Microsurgery, and Arthroscopic Surgery both in Greece and abroad. He has participated with publications/presentations in Greek and International scientific conferences and journals.

Misitzis Adamantios MD is an Orthopedic Surgeon who maintains a private practice in Kifisia. He is a graduate of the Medical School of the National and Kapodistrian University of Athens and has received advanced training in Upper Extremity Surgery and Microsurgery at the Universities of Louisville and Michigan in the United States. He trained at the University Orthopedic Clinic of Athens at the Attikon General Hospital KAT. Additionally, he has extensive experience in orthopedic traumatology and microsurgical reconstruction, peripheral nerve compression syndromes, and peripheral nerve injuries. Throughout his career, he has served as President and founding member of numerous societies and medical centers, including the Hellenic Society of Hand and Upper Extremity Surgery and the Department of Upper Extremity Surgery & Microsurgery at the Medical Center of Athens. Finally, he is a member of both Greek and international medical associations, such as the Hellenic Society of Upper Extremity Surgery, the Hellenic and International Societies of Reconstructive Microsurgery, among others.