Endocrinologists

Prokopiou Maria is an Endocrinologist with private practices in Mavili Square and Gerakas. She holds a postgraduate diploma in healthcare management from the Hellenic Open University and a degree from the Medical School of the National and Kapodistrian University of Athens. She specialized in Endocrinology at the Endocrinology, Metabolism and Diabetes Unit of the 1st Internal Medicine Clinic of the National and Kapodistrian University of Athens, at the General Hospital "Laiko." Additionally, she has attended Medical Acupuncture seminars at the AcuScience International Postgraduate Acupuncture Center. She possesses valuable professional and clinical experience in the diagnosis, prevention, and therapeutic management of endocrine gland disorders, specifically affecting the thyroid, parathyroids, pancreas, ovaries, testes, adrenal glands, pituitary gland, and hypothalamus, as well as diabetes mellitus and obesity. She also manages cases such as metabolic bone diseases - osteoporosis, female and male endocrinology, and hypertension. Finally, she is a member of the Athens Medical Association, the Hellenic Diabetes Association, and the European Society of Endocrinology.

Eleana Zisimopoulou is an Endocrinologist maintaining a private practice within the ID MEDS CLINIC Polyclinic in Panorama, Thessaloniki. She is a graduate of the Medical School of the University of Crete and specialized in endocrinology. Since 2021, she has served as a Consultant at the Thessaloniki Cancer Hospital "Theageneio." Her endocrinology specialty training was completed in major hospitals in Greece, including the AHEPA University Hospital of Thessaloniki, the Korgialeneio - Benakeio Red Cross Hospital, and the Athens General Children's Hospital "P. & A. Kyriakou."

Dr. Zisimopoulou is an active member of the Hellenic Endocrine Society and the Medical Association of Thessaloniki, with continuous participation in scientific conferences and case presentations on endocrinology topics such as endocrine complications in cancer, Cushing’s syndrome, and thyroid and parathyroid disorders. Additionally, she holds significant research activity with publications in international and Greek scientific journals on subjects including thyroid neoplasms, neuroendocrine tumors, and parathyroid disorders.

The clinic is fully compliant with the standards of a modern medical environment, ensuring comfort and professionalism. The approach to each patient is personalized, aiming for optimal hormonal balance and improvement in quality of life.

Dr. Markou Mairi is an Endocrinologist-Diabetologist and maintains a private practice in Kolonaki and Livadeia, Boeotia. She graduated from the Medical School of Aristotle University of Thessaloniki (A.U.Th.) in 2007 and specialized in Endocrinology, Diabetes, and Metabolism at the General Hospital of Athens "Evangelismos," acquiring significant experience in endocrinological cases. After completing the mandatory Rural Service, she completed the general part of her specialty in Internal Medicine at the General Hospital of Volos from 2010 to 2012, participating in the clinic’s operations and the hospital’s daily general on-call program. Until the start of her specialty training, Dr. Markou worked in the NHS (National Health Service) of the United Kingdom in major hospitals in London, including the A&E department at Queen’s Hospital, Romford, London, as well as the Acute Medical Unit at Queen Elizabeth Hospital, Woolwich, London. She completed her specialty training in Endocrinology, Diabetes, and Metabolism in 2020 at the General Hospital of Athens "Evangelismos," where she gained extensive experience in a wide range of endocrinological cases. The hospital’s Endocrinology Department is a Diabetes Center and a Center of Expertise for Rare Endocrinological Diseases (Pituitary – Adrenal – Thyroid). During this training, she also attended the clinics for Gestational Diabetes, Andrology, and Infertility at the General Hospital "Elena Venizelou." Currently, Dr. Markou is an external associate of the Endocrinology Department at "Errikos Dynan Hospital Center." Additionally, in the academic year 2024-2025, she began her studies in the postgraduate program "Surgery of Endocrine Glands" at A.U.Th. and participates in research programs of the Department of Endocrine Gland Surgery at "Errikos Dynan" Hospital.

Kleio Xantziara is an Endocrinologist with a private practice in Goudi. She holds a PhD from the Medical School of the National and Kapodistrian University of Athens and is a graduate of the same institution. She holds a Bachelor of Arts in Psychology and Biology with a full scholarship from Harvard University. She is affiliated with the "Hygeia" and "Mitera" Hospitals. She specialized in Endocrinology at St. Luke’s and Roosevelt Hospitals in New York, as well as in the Endocrinology, Diabetes, and Metabolism department of the General Hospital of Athens "Evangelismos". Additionally, she has participated as a researcher in primary research on brain tumors, specifically apoptosis and clonality analysis, in the Neurosurgery Laboratory at Brigham and Women's Hospital in Boston. Finally, she has numerous scientific publications and is a member of various associations and scientific societies in Greece and abroad.

Dr. Ilias Perogamvros, MD, PhD, is an Endocrinologist and Diabetologist, a top graduate of the University of Athens, Doctor, and Scientific Collaborator at the University of Manchester in the United Kingdom. After completing his specialization at one of the leading Endocrinology centers in the UK, Christie Hospital in Manchester, and in the historic and largest Endocrinology Clinic in Greece at the General Hospital of Athens "Evangelismos," he maintains a private practice in Athens (near the exit of the Panormou Metro station) and collaborates with Medifirst Marousi as the head of the Outpatient Endocrinology Clinic. He has numerous publications in the leading scientific journals in the field of Endocrinology and presentations in the USA, Canada, and the United Kingdom. Books to which he has contributed a significant number of chapters have been published by Oxford University Press and are distributed in Greek and international universities. Finally, the doctor is a member of the Board of Directors of the Onassis Foundation Fellows Association.

Tzartzas Ioannis is a Specialist Endocrinologist - Diabetologist with a private practice in Larissa. He holds a degree from the Medical School of Democritus University of Thrace and has specialized with 10 years of experience in Germany at Academic Hospitals affiliated with the universities of Düsseldorf and Duisburg - Essen. He specializes in thyroid disorders, ultrasound with elastography, andrology, and diabetes mellitus. His practice is fully equipped and includes a modern ultrasound device with elastography and a guided biopsy kit for the thyroid and other endocrine glands. Additionally, he is a Collaborating Physician at Iaso Thessaly and is a member of the Hellenic Society of Endocrinology and the German Diabetes Association.

Keramidas Ioannis is an Endocrinologist with a private practice in Pangrati. He holds a medical degree from Ovidius University in Romania and completed a 2-year postgraduate program in "International Medicine - Health Crisis Management" at the Medical School of the National and Kapodistrian University of Athens. He specialized in endocrinology, diabetes, and metabolism at the Piraeus Specialized Anticancer Hospital "Metaxa" and received training in Pediatric Endocrinology at the General Children's Hospital of Athens "P. & A. Kyriakou." Additionally, he is certified by the European Endocrine Society following written examinations in 2018. He also holds a diploma in polytrauma care, has served as a physician at the Center for Disease Control and Prevention, and has worked in the Internal Medicine Clinic of the General Hospital of Kyparissia as part of his specialty training. Finally, the physician is a member of the Athens Medical Association and the Hellenic Endocrine Society.

Dr. Margaritopoulos Dimitrios is an Endocrinologist - Diabetologist and maintains a private practice in Petralona. He graduated from the Medical School of Aristotle University of Thessaloniki and completed postgraduate studies in Applied Dietetics - Nutrition at Harokopio University of Athens. Additionally, he is a PhD candidate at the National and Kapodistrian University of Athens and has received training in Gestational Diabetes at the General Hospital of Athens "Alexandra". He possesses significant clinical experience having worked as an Endocrinologist - Diabetologist at the General Hospital of Athens "Evangelismos", at the 2nd University Internal Medicine Clinic of the General Hospital of Athens "Hippocration", as well as at the Centre Hospitalier du Centre du Valais in Switzerland. Finally, the physician specializes in diabetes mellitus, thyroid and parathyroid glands, and osteoporosis.

Mpoutsouris Konstantinos is an Endocrinologist with a private practice in Nea Smyrni. He holds a PhD from the Medical School of the National and Kapodistrian University of Athens, focusing on the influence of genes on the manifestation and treatment of obesity and type II diabetes mellitus. Additionally, he earned a medical degree from the Medical School of the University of Ioannina and possesses a license for ultrasonographic examination of endocrine glands. He has extensive experience in diabetes mellitus, thyroid disorders, hormonal imbalances, metabolism, and nutrition. The doctor believes that endocrinology is a continuously evolving science with new concepts and ideas emerging in the literature almost daily. In an era characterized by an overwhelming amount of scientific information, the endocrinologist must act as a filter of this knowledge, ensuring that patients receive simple and comprehensible information, but most importantly, appropriate treatment. Based on all the above, he considers himself capable of assisting each patient with any endocrine disorder, offering medical management tailored to each individual patient and utilizing state-of-the-art diagnostic equipment, thereby providing his patients with the best and most reliable diagnostic and therapeutic methods.

Dr. Margeli Theodora studied at the Medical School of the University of Patras, where she also pursued her postgraduate studies and was awarded a PhD from the Medical School of the University of Patras in 2009. She specialized in Endocrinology, Diabetes, and Metabolism at the Endocrinology department of the University Hospital of Patras. Dr. Margeli holds certification for obesity management from the international organization World Obesity Federation. The Endocrinology Clinic was established in September 2021 and undertakes the diagnosis and treatment of disorders of endocrine glands, reproduction, osteoporosis, diabetes, and metabolism.

Mpenetatos Nektarios MD is an Endocrinologist - Diabetologist and maintains private practices in Koukaki and Nea Filadelfeia. He is a graduate of the Medical School of the National and Kapodistrian University of Athens and specialized in Internal Medicine at the 1st Internal Medicine Clinic of the General Hospital of Elefsina “Thriasio” and in Endocrinology at the Department of Endocrinology, Metabolism, and Diabetes of the 1st University Clinic of the General Hospital of Athens "Laiko". He has worked as an endocrinologist in the Endocrinology Unit of the Evgenidio Hospital and in the Clinics of Endocrine Disorders of Pregnancy, Menopause, and Osteoporosis, in the Reproductive Endocrinology Clinic, and in the Andrology Clinic of the General Hospital "Elena Venizelou". Finally, he is a member of the Athens Medical Association, the Athens Medical Society, and the Hellenic Endocrinological Society.

Panagiotis Mylonas MD is an Endocrinologist with a private practice in Patras. He holds a PhD in Endocrinology, Metabolism, and Diabetes Mellitus from the University of Patras. Dr. Mylonas has extensive experience in thyroid diseases and diabetes mellitus and has served as a Scientific Associate in the Endocrinology Department of the University of Patras. In his private practice, he manages thyroid disorders, diabetes mellitus, gestational diabetes, and addresses cases of osteoporosis and parathyroid diseases, as well as menstrual disorders and polycystic ovary syndrome. He also treats patients with adrenal and pituitary gland disorders. Additionally, Dr. Mylonas is a member of the European Society of Endocrinology and the European Association for the Study of Diabetes, and he has served on the Medical Committee of the European Gymnastics Federation.

Dasou Aikaterini is an Endocrinologist with a private practice in Agios Dimitrios. She holds a degree from the Medical School of Plovdiv in Bulgaria and is specialized in diabetes mellitus, thyroid disorders, menstrual disturbances, osteoporosis, obesity and metabolism, and gynecological endocrinology. She completed her residency in Internal Medicine at the 1st Internal Medicine Clinic of the General Hospital of Athens "Asklipieio" Voulas and in Endocrinology at the Endocrinology Clinic of the General Hospital of Athens "G. Gennimatas." The doctor has professional experience in hospitals and private clinics, such as Bioiatriki, and participates in conferences and seminars to stay updated in her field. Additionally, she is a member of the Hellenic Endocrine Society. In her private practice, she provides specialized services tailored to the specific needs of her patients.

Dr. Iliopoulou Amalia MD, MRCP is an Endocrinologist and Diabetologist, maintaining a private practice in Kolonaki. She graduated from the Medical School of the University of Athens, where she was admitted with a scholarship from the State Scholarships Foundation due to her excellent performance in the Panhellenic Examinations. She completed her entire specialty training in the United Kingdom, where she obtained qualifications in Endocrinology, Diabetes, and Internal Medicine. In England, she worked for 10 years, reaching the position of Director of Endocrinology at St James University Hospital in Leeds. Additionally, she had the honor of being elected a member of the Royal College of Physicians of London through examination (MRCP London). She returned to Greece at the end of 2013 and has been operating her private practice since 2014, while simultaneously serving as a Scientific Collaborator in the Endocrinology Department of Aretaieio Hospital. She regularly attends seminars and medical conferences in her field, primarily in the UK. Her specialization includes thyroid and parathyroid diseases, diabetes mellitus, obesity, and metabolism. Furthermore, she manages other conditions such as infertility, pituitary disorders, adrenal gland diseases, and polycystic ovary syndrome.

Ο Πλούταρχος Τζούλης, Ενδοκρινολόγος – Διαβητολόγος, είναι επίτιμος Αναπληρωτής Καθηγητής Ενδοκρινολογίας στην Ιατρική Σχολή του UCL (University College London). Έλαβε τον ιδιαιτέρως τιμητικό τίτλο του FRCP (Lon) από το Βασιλικό Κολλέγιο των Παθολόγων το 2022 σε αναγνώριση της 18ετούς συμβολής του στην πρόοδο της ιατρικής επιστήμης μέσω της κλινικής και ερευνητικής του δραστηριότητας στη Μεγάλη Βρετανία. Επιπλέον του ερευνητικού και διδακτικού του έργου στnν Ιατρική Σχολή του UCL, που συγκαταλέγεται στις 10 κορυφαίες ιατρικές σχολές παγκοσμίως, συνεχίζει το κλινικό του έργο τόσο στη Μεγάλη Βρετανία, εκτελώντας καθήκοντα Διευθυντή στην Ενδοκρινολογική και Παθολογική Κλινική του Νοσοκομείου Whittington του Λονδίνου, όσο και στην Ελλάδα, στη Γενική και Μαιευτική Κλινική ΙΑΣΩ.  

Μετά την εισαγωγή του με πανελλήνιες εξετάσεις και αποφοίτησή του από την Ιατρική Σχολή του Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών, μετέβη το 2004 στη Μεγάλη Βρετανία, όπου και εργάστηκε σε κορυφαία Πανεπιστημιακά Νοσοκομεία μέχρι το 2018. Το 2007 έγινε, μετά από εξετάσεις, τακτικό μέλος του Βασιλικού Κολεγίου των Παθολόγων (Member of the Royal College of Physicians, UK). Μετά την ολοκλήρωση της ειδικότητάς του στην Ενδοκρινολογία και Διαβητολογία στη Μεγάλη Βρετανία (CCT in Endocrinology & Diabetes, UK) και συγκεκριμένα στα Πανεπιστημιακά Νοσοκομεία Royal Free Hospital, University College London Hospital και Whittington Hospital του UCL, τον Φεβρουάριο 2015 ανέλαβε θέση Διευθυντή στην Ενδοκρινολογική - Διαβητολογική Κλινική και Παθολογική Κλινική του Νοσοκομείου Whittington του Λονδίνου. Έλαβε  μεταπτυχιακό τίτλο MSc (Hons) στην Κλινική Ενδοκρινολογία από το Barts & the London School of Medicine, Queen Mary University of London. Aκολούθως, έγινε διδάκτορας (PhD, Doctor of Philosophy) στην Ιατρική Σχολή του UCL μετά την ολοκλήρωση σειράς κλινικών μελετών και της διδακτορικής διατριβής του με θέμα τη διερεύνηση και θεραπεία της υπονατριαιμίας.

Συνεχίζει το ερευνητικό του έργο με βάση το UCL και πλήθος διεθνών συνεργασιών με περισσότερες από 55 δημοσιεύσεις σε έγκριτα διεθνή περιοδικά και περισσότερες από 50 παρουσιάσεις εργασιών και ομιλίες σε βρετανικά, ευρωπαϊκά και αμερικάνικα ιατρικά συνέδρια. Έχει μεγάλη εμπειρία στη διάγνωση και αντιμετώπιση όλου του φάσματος των ενδοκρινολογικών παθήσεων και διαβήτη και το πρωταρχικό του μέλημα είναι η προσφορά υψηλού επιπέδου εξατομικευμένων υπηρεσιών υγείας με βασικό γνώμονα την Ιατρική με βάση την πιο επικαιροποιημένη επιστημονική γνώση (Evidence - Based Medicine).

Gravvanis Xristos MD, PhD (c) is a Military Physician, Endocrinologist - Diabetologist, and maintains his private practice in Helliniko, while simultaneously serving as an attending physician in the Endocrinology Clinic of the 251 Air Force General Hospital. He is a doctoral candidate at the Medical School of the National and Kapodistrian University of Athens and holds a medical degree from the Medical School of Aristotle University of Thessaloniki and the Military Officers School of Corps (SSAS). He specialized in Endocrinology at the Endocrinology Unit and Metabolism and Diabetes Center of GNA G. Gennimatas, the 1st Internal Medicine Clinic of the 251 Air Force General Hospital, and during his specialty training, he received education at the Menopause and Climacteric Department of the 2nd Obstetrics and Gynecology Clinic of the University of Athens, in Endocrine Disorders during Pregnancy at the Endocrinology Department of GNA Elena Venizelou, and in Pediatric Endocrinology at the Endocrinology Department of Growth and Development, G.N.P.A. P&A Kyriakou. Additionally, he attended and successfully completed numerous seminars (Advanced Trauma Life Support (ATLS), Prehospital Trauma Life Support (PHTLS), Advanced Life Support (ALS), Air Force Medicine School). He is a member of the Athens Medical Association and the European Society of Endocrinology (ESE), as well as the Medical Association of the Oberbayern region in Germany (Deutsche Approbation als Arzt/ Regierung von Oberbayern). Finally, he possesses extensive research activity with published papers in international medical journals and numerous presentations at Greek and international conferences. In his practice, he manages cases covering the entire spectrum of his specialty, providing personalized care to each patient with the goal of delivering high-quality services in a modern endocrinology clinic.

Papadimitriou Eirini MD, MSc, PhDc is a highly qualified and experienced endocrinologist, with extensive clinical training and academic activity, maintaining a private practice in Kallithea. She is a graduate of the Medical School of the National and Kapodistrian University of Athens, holding a master's degree in Research of Female Reproduction, and her doctoral thesis focuses on pituitary tumors. She specialized in Endocrinology at the Endocrinology Department of the General Hospital of Athens "G. Gennimatas," at the First Pediatric Clinic of the General Children's Hospital of Athens "P. & A. Kyriakou," where she was trained in managing pediatric endocrinology cases, and at the General Hospital of Athens "Elena Venizelou," where she trained in endocrine disorders during pregnancy. She also has clinical experience in a variety of endocrine diseases, such as diabetes mellitus, thyroid disorders, parathyroid gland diseases, osteoporosis, menstrual and menopausal disorders, hypogonadism, adrenal/pituitary diseases, endocrine hypertension, obesity, and lipid disorders. She has participated in numerous Greek and international conferences, presenting her research and clinical cases. Furthermore, she has published in reputable international scientific journals, continuously advancing the field of endocrinology. She is an active member of the Hellenic Endocrinological Society and a collaborator at the General Hospital of Athens "G. Gennimatas."

Η Λάσπα Έλενα είναι Ενδοκρινολόγος - Διαβητολόγος και διατηρεί το ιδιωτικό της ιατρείο στο Χαλάνδρι. Μέσω πανελληνίων εξετάσεων εισήχθη στην Ιατρική Σχολή Αθηνών το 1990. Μετά από γραπτό διαγωνισμό έλαβε και διατήρησε για όλη τη διάρκεια των σπουδών την υποτροφία του κληροδοτήματος "Αντωνίου Παπαδάκη". Μετά την αποφοίτηση της τον Ιούλιο του 1996 εκπλήρωσε την υπηρεσίας υπαίθρου, στην διάρκεια της οποίας πήρε απόσπαση για τις εφημερίες της στην μονάδα εμφραγμάτων του Γενικού Νοσοκομείου Πρεβέζης. Εν συνεχεία ειδικεύτηκε για 2 έτη στην παθολογία ως προαπαιτούμενη εκπαίδευση για την κύρια ειδικότητα. Εξειδικεύθηκε στην ειδικότητα της Ενδοκρινολογίας στο Πανεπιστημιακό Νοσοκομείο Ιωαννίνων υπό τη διεύθυνση του καθηγητή Α.Τσατσούλη. Ολοκλήρωσε το τελευταίο τμήμα της την ειδικότητας στο St.Mary’s Hospital του Λονδίνου, όπου εξειδικέυθηκε στο υπερηχογράφημα τραχήλου και στις καθοδηγούμενες υπερηχογραφικά παρακεντήσεις όζων θυρεοειδούς αδένα. Παράλληλα με την κλινική της δραστηριότητα στο Λονδίνο, συμμετείχε σε ερευνητικά προγράμματα μελέτης της μεταβλητότητας παραγόντων κινδύνου για την εμφάνιση διαταραχής ανοχής γλυκόζης και αθηροσκληρωτικής νόσου. Μετά το πέρας της ειδικότητας παρέμεινε επιστημονικά ενεργή με την συμμετοχή της σε έρευνες του Πανεπιστημιακού Νοσοκομείου Ιωαννίνων για τον καρκίνο του θυρεοειδούς, για τις ανάγκες της οποίας ανέλαβε μεγάλο αριθμό παρακεντήσεων όζων θυρεοειδούς. Έχει συμμετάσχει ως κλινικός ερευνητής στην Διεθνή κλινική μελέτη Lantus HOE901/3505: ATLANTUS. Επίσης συμμετείχε ως ομιλητής σε πλήθος ελληνικών και διεθνών συνεδρίων. Διεθνή επιστημονικά περιοδικά έχουν φιλοξενήσει δημοσιεύσεις της. Το 2015 έγραψε το κεφάλαιο "Παραθυρεοειδείς αδένες και μεταβολισμός των οστών" στο διαδικτυακό πόνημα "Σύγχρονο εγχειρίδιο Ενδοκρινολογίας". Το 2016 έγραψε το κεφάλαιο "Pseudohypoparathyroid States" στην Εγκυκλοπαίδεια Ενδοκρινικών Νοσημάτων (Encyclopedia of Endocrine Diseases). Το 2019 ολοκλήρωσε το εκπαιδευτικό πρόγραμμα «Health Coach» του Κέντρου Επιμόρφωσης και Δια Βίου Μάθησης του Εθνικού Καποδιστριακού Πανεπιστημίου Αθηνών. Είναι ένα πρόγραμμα το οποίο προσφέρει γνώσεις και εφόδια «προπονητή υγείας» ,ώστε ο ιατρός με μοντέλα ειδικής προσέγγισης και μεθοδολογίας να ενδυναμώσει τον κάθε άνθρωπο να αλλάξει βλαπτικές συνήθειες και συμπεριφορές και να επιτύχει τους στόχους υγείας που θέτει. Είναι μέλος της Ελληνικής Ενδοκρινολογικής Εταιρίας και της Ελληνικής Εταιρίας Μελέτης Μεταβολισμού των Οστών. Μετά από εξετάσεις έγινε δεκτή ως μέλος της Ευρωπαϊκής Εταιρίας Ενδοκρινολογίας, Διαβήτη και Μεταβολισμού (Fellow of the European Board of Endocrinology, Diabetes and Metabolism).