Doctors for Heart Triplex in Attica

Simitsis Stylianos is a Cardiologist with a private practice in Mavili Square. He holds a PhD in Cardiology from the National and Kapodistrian University of Athens and is a graduate of the Medical School of Aristotle University of Thessaloniki and the Military Officers School of Corps. Additionally, he has completed further training in the United States as a Fellow in Cardiology at Mount Sinai Hospital and Beth Israel Medical Center - Joint Diseases. He has served as Consultant - Director in various military hospitals, primarily at the 401 General Military Hospital of Athens, and has been involved in cardiology for over 40 years, treating tens of thousands of patients with valvular diseases, coronary artery disease, and hyperlipidemia. Furthermore, he is an Associate Physician at Metropolitan General and the Nursing Foundation of the Army Shareholders Fund (NIMTS). His practice offers all necessary medical and preventive examinations, such as cardiac and thoracic aorta Triplex ultrasound, electrocardiogram, and stress testing.

Mygias Georgios is a Specialist Cardiologist with a private practice in Kypseli. He is a graduate of the Medical School of Sofia and received training in the Department of Pathology at the Nursing Institution of the Army Share Fund (N.I.M.T.S.). He specialized in Cardiology at the University Hospital of Athens "Alexandra," where he serves as a Scientific Collaborator. Additionally, he is an affiliated physician at Doctors’ Hospital Clinic, City Clinic, and the Bioiatriki Group. The practice is equipped with all necessary tools for a comprehensive cardiological examination of the patient (electrocardiogram, cardiac ultrasound, Holter monitor, stress test). Electronic prescriptions and referrals are issued, along with all types of health certificates.

Dr. Xatzianesti Fryni Cardiofocus, MD, MSc, is a Specialist Cardiologist at HYGEIA Hospital and maintains a private practice in Kolonaki. She has specialized at the Onassis Cardiac Surgery Center in cardiovascular imaging (stress echo, strain echocardiography, transesophageal echocardiogram) and is clinically and scientifically engaged in heart failure. She holds certification from the Hellenic Cardiological Society in smoking cessation, operating one of the few certified cardiology clinics in this field. She graduated from the Medical School of Democritus University of Thrace and holds a master's degree (MSc) from the National and Kapodistrian University of Athens, specializing in International Medicine - Infectious Diseases and Disaster Medicine. She has an extensive educational and research background, participating in numerous research studies with a focus on heart failure, and also has numerous contributions in conferences with lectures and presentations. 

Christina Rogakou is a Cardiologist specialized in congenital heart disease in both children and adults, as well as in interventional cardiology. She has extensive clinical experience in specialized cardiology centers in Germany and Greece and holds a PhD from Heidelberg University, with her research focusing on out-of-hospital resuscitation by laypersons.

She graduated from the Medical School of the University of Patras and obtained her cardiology specialization in 2017, having completed her residency at the Duisburg Cardiology Center in Germany. She then worked there as a Senior Registrar and, from 2020 to 2023, served as Head of the Adult Congenital Heart Disease Unit. She has also received additional training in pediatric cardiology and structural heart diseases through postgraduate programs at the University of Münster.

Since 2023, she has been collaborating with the Pediatric Cardiology Department of the Onassis Cardiac Surgery Center in Athens, while also working with Hygeia Hospital and Euroclinic Athens. She is a member of the Hellenic Society of Cardiology, the German Society of Cardiology, the German Society for Pediatric Cardiology, and the German Resuscitation Council. She speaks fluent Greek, German, and English.

Drivas Kyriakos is a Specialist Cardiologist - Arrhythmologist, Consultant at the Cardiology Clinic of Iatriko Athinon (Palaio Faliro Clinic) and maintains a private practice in Glyfada. He graduated from the Medical School of the University of Ioannina and also holds a degree in Medical Laboratory Technology from the Technological Educational Institute of Athens. He possesses the European Board of Cardiology Diploma (EEGC) and is certified in Advanced Life Support (ALS) by the Hellenic Society of Cardiopulmonary Resuscitation. He specialized in Cardiology at the Korgialeneio-Benakeio E.E.S. and received further training at the 2nd Cardiology Clinic of the General Hospital Evaggelismos, focusing particularly on pacemaker and defibrillator implantation, arrhythmia ablation, and the monitoring of implantable devices. His practice offers specialized diagnostic and therapeutic services for cardiac arrhythmias, with an emphasis on modern, personalized patient care.

Dr. Sofia Alataki is a Cardiologist with a private practice in N. Psychiko. Concurrently, she works as a Cardiologist Consultant at Metropolitan General, providing personalized and comprehensive care with an emphasis on prevention, early diagnosis, and modern monitoring of patients with cardiovascular issues. She graduated from the Medical School of Aristotle University of Thessaloniki, with extensive experience in Greece and Germany. She completed her specialty in General Pathology and Cardiology at Städtisches Klinikum Karlsruhe in Germany. During her professional career abroad, she gained extensive experience in managing acute and chronic cardiological cases. She also worked in the Infarction Unit and the Hemodynamic Laboratory, where she specialized in the treatment of acute coronary syndromes and interventional cardiology. Additionally, her work in the cardiothoracic surgery department contributed to her experience in the preoperative and postoperative care of cardiac surgery patients. She specializes in modern echocardiography techniques (transthoracic and transesophageal) and in pacemaker and defibrillator programming. Finally, she completed her doctoral thesis at Albert-Ludwigs-Universität Freiburg im Breisgau on the topic "Comparison of valve durability and outcomes of Transcatheter Aortic Valve Implantation versus Surgical Aortic Valve Replacement in patients with severe symptomatic aortic stenosis and less than high-risk for surgery."

Kolentinis Mixalis is a Cardiologist and maintains a private practice in Cholargos. He studied at the Medical School of the National and Kapodistrian University of Athens and subsequently served as a Pathology resident at the “General Hospital of Nea Ionia ‘Konstantopouleio’” and as a Cardiology resident at the General Hospital of Athens “Georgios Gennimatas,” completing a continuous seven-year training in a wide range of cardiology cases. Beyond his clinical work, he has been actively involved in research. In 2012, he completed his doctoral dissertation at the Medical School of the University of Ioannina, with a special focus on the physiology of the cardiovascular system in vivo. During his specialty training, he was responsible for the educational and scientific program of the cardiology clinic as well as the echocardiography laboratory. He received further training in echocardiography at Hammersmith Hospital, Imperial College London (NHS). Additionally, he was awarded a scholarship by the Hellenic Cardiological Society for advanced training in Cardiac Magnetic Resonance Imaging (CMR). He worked as a clinical-research fellow at Goethe University in Frankfurt. He holds certification from the Society for Cardiovascular Magnetic Resonance (SCMR) for diagnostics and training in CMR techniques (level III SCMR). He also specialized at the University Hospital of Ioannina in the latest echocardiographic imaging techniques (transesophageal ultrasound, stress echo). He has participated as a speaker at national conferences and seminars and has authored articles and reviews in foreign and international scientific journals. Finally, he is a member of numerous scientific societies and an instructor in cardiopulmonary resuscitation seminars (ALS Instructor).

Andreas Katsimardos is a Military Physician, Interventional Cardiologist, consultant at the Cardiology Department of the 417 NIMTS, and maintains a private practice in Gerakas. He holds a degree from the Medical School of Aristotle University of Thessaloniki. He specialized in Cardiology at the 401 General Military Hospital of Athens and subsequently at the University General Hospital "Attikon." He further specialized in Interventional Cardiology at the University General Hospital of Alexandroupolis.

Konstantakis Manolis is a Cardiologist, graduate of the Medical School of the University of Ioannina. He specialized in Cardiology at the 251 Air Force General Hospital and obtained his specialty certification in 2020. Subsequently, he remained at the hospital for the following 2 years with an extension. He deals with the entire spectrum of cardiological problems, with a particular interest in echocardiography. He actively engaged in research with the late Professor of Cardiology Ioannis Nana at the 3rd University Cardiology Clinic. He participated in multicenter studies and conferences primarily focused on Heart Failure. Additionally, he worked as a scientific collaborator at King’s College Hospital in London under Professor Kypros Nikolaidis. He participated in the multicenter study PRE-ECLAMPSIA IVF II. Furthermore, he collaborates with the Euromedica groups as well as with Kosmoiatriki. Finally, he maintains a licensed cardiology clinic in Petroupoli, combining excellent scientific training with professionalism.

Soulaidopoulos Stergios is a Specialist Cardiologist with expertise in Interventional Cardiology. He works as a Scientific Associate in the field of Interventional Cardiology at the First University Cardiology Clinic of Hippokration Hospital of Athens and maintains a private practice in Nea Smyrni. Additionally, he is affiliated with the Athens Medical Center. He graduated from the Medical School of Aristotle University of Thessaloniki in 2011, and in 2021 he was awarded a PhD from the Medical School of AUTH. During his specialization, he worked in clinics in Austria and Germany. He completed the main part of his Cardiology specialty at the First University Cardiology Clinic of Hippokration Hospital of Athens in 2022. His research interests focus on interventional cardiology, specifically the interventional treatment of coronary artery disease, structural heart diseases, and resistant hypertension. He has published over 100 papers in reputable international journals, and in 2024 he was awarded the title of Fellow of the European Society of Cardiology (FESC) in recognition of his research work. He is also a member of the Hellenic Cardiological Society and the European Association of Percutaneous Cardiovascular Interventions (EAPCI).

Papamentzelopoulos Spyridon is a Cardiologist and operates a private practice in Piraeus. He was admitted to the Military Officers School of Corps and is a graduate of the Medical School of Aristotle University of Thessaloniki. He initially specialized in Pathology at the 401 General Military Hospital of Athens for two years, including nine months in the Intensive Care Unit, and subsequently specialized in Cardiology for four years at the Onassis Cardiac Surgery Center. There, he participated in the management of numerous and complex cardiological cases, while also performing hundreds of diagnostic (stress tests, echocardiograms, Holter monitoring, and others) and interventional procedures (coronary angiographies, angioplasties, cardiac catheterizations, intravenous pacing). Additionally, he has participated in international studies of new transcatheter techniques for treating cardiac valve diseases (TAVI), as well as in the monitoring of patients with heart failure (using left ventricular assist devices [LVAD]) and heart transplantation. At his private practice, he provides specialized solutions tailored to the needs of his patients.

Gerontis Dimitrios is a Cardiologist - Arrhythmologist - Interventional Electrophysiologist and sees patients at the Cardiology Rhythm Center in Marousi (within the IASO General Clinic) and at his private practice in Chalkida. He is the Director of the Third Cardiology Clinic and the Cardiology Rhythm Center at the IASO General Clinic. He also holds the position of Honorary Director of Cardiology - Electrophysiology at the Bristol Heart Institute, where he performs invasive procedures.

He is a graduate of the Medical School of the National and Kapodistrian University of Athens. After completing his studies, he moved to the United Kingdom, where he completed his specialty in Cardiology (CCT) with a specialization in Interventional Electrophysiology and Cardiac Devices at Wessex Deanery (with National Training Number - WES734 (Southampton, Portsmouth, and Dorset University Hospitals). After completing his specialization in Cardiology, he completed a Post-CCT Fellowship in Interventional Electrophysiology and Cardiac Devices at the internationally renowned Bristol Heart Institute, where he performed a large number of procedures and further specialized in the ablation of complex cardiac arrhythmias (atrial fibrillation and flutter), as well as ventricular arrhythmias, including epicardial ablation. He specializes in the implantation of cardiac devices (pacemakers, dual-chamber pacemakers/defibrillators, and subcutaneous defibrillators). He has also been trained in the removal of cardiac devices. Dimitrios Gerontitis is an Accredited Specialist in the Interventional Treatment of Arrhythmias (Interventional Electrophysiology - ECES and Cardiac Devices - ECDS) by the European Heart Rhythm Association (EHRA). He has also been certified by the British Society of Echocardiography in Transthoracic Echocardiography and is a member of the Royal College of Physicians of the United Kingdom (RCP). In addition to his clinical activities, he has a keen interest in research and teaching. He has organized training sessions for cardiology residents and was responsible for organizing "EP traces" at Wessex Deanery. He has completed the post-graduate module "Teaching and Learning in Medical Education" at University College London. He has participated in clinical studies and has publications in prestigious international scientific journals in the field of cardiology and electrophysiology. In his clinics, with his comprehensive scientific training and extensive practical experience, he provides high-quality medical care to his patients.

Dr. Koinakis Nikolaos is a Cardiologist for adults and children, maintaining private practices in Kallithea, Glyfada, and Sitia, Crete. He graduated in Biology and Medicine from the University of Crete. He specialized in cardiology at the General Hospital "Asklipieio" of Voula. During his residency, he received training in pediatric cardiology at the General Children’s Hospital "Agia Sofia." He pursued further training in advanced ultrasound techniques (stress echo, transesophageal echocardiography) at the General Hospital of Crete "Venizeleio." The clinic offers electrocardiogram, cardiac triplex, blood pressure Holter monitoring, rhythm Holter monitoring (24 and 48 hours), stress echo, pre-athletic screening, prescription of medications, and referrals for laboratory tests. Home visits are performed (clinical examination, electrocardiogram, cardiac triplex, rhythm Holter, blood pressure Holter) following prior arrangement with the physician. Additionally, the doctor has received certification from the Institute for the Study and Education in Thrombosis and Antithrombotic Therapy and from the Hellenic Society of Lipidology, Atherosclerosis and Vascular Disease.

The doctor examines children over 2 years of age.

Koinakis Nikolaos is an Adult and Pediatric Cardiologist and maintains private practices in Kallithea, Glyfada, and Sitia, Crete. He is a graduate of Biology and the Medical School of the University of Crete. He specialized in cardiology at the General Hospital "Asklipieio" of Voula. During his specialization, he trained in pediatric cardiology at the General Children's Hospital "Agia Sofia". He pursued further training in advanced ultrasound techniques (stress echo, transesophageal echocardiography) at the General Hospital of Crete "Venizeleio". The clinic provides electrocardiograms, heart triplex ultrasounds, blood pressure Holter monitoring, rhythm Holter monitoring (24 and 48 hours), stress echo, pre-participation athletic screening, prescription of medications, and referral for diagnostic tests. Home visits are available (clinical examination, electrocardiogram, heart triplex ultrasound, rhythm Holter, blood pressure Holter) upon prior arrangement with the physician. Finally, the doctor has obtained training certificates from the Institute for the Study and Education in Thrombosis and Antithrombotic Therapy as well as from the Hellenic Society of Lipidology, Atherosclerosis, and Vascular Disease.

The physician examines children older than 2 years.

Elena Xairetaki - Premedicare is a Cardiologist and a member of the medical team at the Premedicare Polyclinic. She is a graduate of the Medical School of the National and Kapodistrian University of Athens (NKUA) and provides her services as a Cardiologist while also serving as the Scientific Director of the BIOIATRIKI Group. She specialized in Cardiology at Evangelismos Hospital and has served as an Assistant Consultant at Pammakaristos Hospital. Combining her experience and recognized scientific expertise, she manages a wide range of cases encompassing the full spectrum of her specialty.

Mparmperis Dimitrios is a Cardiologist and maintains a private practice in Zografou. He holds a postgraduate degree in Cardiorespiratory Resuscitation from the National and Kapodistrian University of Athens and a medical degree from the Victor Babeş University of Medicine and Pharmacy (UMFT). In addition to his private practice, he is a Scientific Collaborator at Bioclinic and Euroclinic in Athens as well as the Scientific Director of the Cardiology Department in ALPHABANK's polyclinics. Finally, he is a member of the Athens Medical Association and the Hellenic Cardiological Society.

Xatzis Mixalis is a Specialist Cardiologist who also maintains a private cardiology clinic in Vrilissia. Simultaneously, he serves as a consultant cardiologist at the 3rd Cardiology Department of Metropolitan General Hospital and at the Praxis Ygeias Polyclinic. He graduated from the Medical School of the National and Kapodistrian University of Athens. After completing rural service, he specialized in Cardiology at the General Hospital of Athens "Hippokration" and the General Hospital of Athens "Laiko," gaining significant experience across the full spectrum of cardiological cases and participating in the academic activities of the clinics. Furthermore, he holds a postgraduate diploma in "Interventional Cardiology" from the Medical School of the National and Kapodistrian University of Athens, as well as graduation from the four-month program "Rehabilitation of Cardiac Patients after Cardiac Surgery" from the same institution. Emphasizing the second component of the word "cardiology" (logos/logic), he strives to respond in the best possible way to the individualized needs of his patients.

Dimitrios Benas is a Cardiologist with high scientific expertise and extensive research activity, combining clinical experience with academic excellence. He graduated from the Medical School of the University of Crete and subsequently specialized in Cardiology at the University Hospital “Attikon,” where he completed his training in 2024. In parallel, he obtained his PhD from the Medical School of the National and Kapodistrian University of Athens with the highest distinction (“Excellent”).He holds the European Diploma in Cardiology (European Examination in Core Cardiology) and has authored 24 publications in international peer-reviewed journals, with over 250 citations on Scopus and an h-index of 9 — indicators reflecting the global scientific recognition of his work. His research interests focus on arterial hypertension, pulmonary hypertension, and cardiopulmonary exercise testing, with active participation in multicenter Greek and European studies.He has lectured in numerous seminars and conferences, training physicians in cardiopulmonary exercise testing, and has been repeatedly invited as a speaker and panelist at major scientific events in Greece and abroad.Since 2025, he has maintained a private cardiology practice in Piraeus, offering comprehensive prevention, diagnostic, and treatment services for cardiovascular diseases, based on the latest scientific evidence.