Endocrinologists

Ο Dr. Σημαιάκης Γεώργιος MD, PhD εξειδικευθείς στον καρκίνο θυρεοειδούς είναι Στρατιωτικός Ιατρός επιστημονικά υπεύθυνος του Ιατρείου Νεοπλασιών Θυρεοειδούς 401 ΓΣΝΑ και Αριστούχος Διδάκτωρ Ιατρικής Σχολής Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών. Είναι μέλος της τριμελούς Διοικούσας Επιτροπής Επιστημονικού Τμήματος Θυρεοειδούς της Ελληνικής Ενδοκρινολογικής Εταιρείας και εξειδικεύεται στην αντιμετώπιση του καρκίνου του θυρεοειδούς και της οζώδους θυρεοειδικής νόσου, έχοντας μετεκπαιδευτεί σε Ευρωπαϊκό Κέντρο Αναφοράς για τον Καρκίνο Θυρεοειδούς, στην Ενδοκρινολογική Μονάδα Κλινικής Έρευνας Ιατρικής και Χειρουργικής Σχολής Πανεπιστημίου της Πίζα. Επίσης μετεκπαιδεύτηκε επί διετία στο Ιατρείο Κακοηθών Νεοπλασμάτων Θυρεοειδούς της Ενδοκρινολογικής Μονάδας Πανεπιστημιακής Θεραπευτικής Κλινικής του Γενικού Νοσοκομείου Αθηνών "Αλεξάνδρα". Μεταξύ άλλων ασκεί διδακτικό έργο στα ΠΜΣ "Ενδοκρινικές Νεοπλασίες" Ιατρικής Σχολής Αθηνών και "Χειρουργική Ενδοκρινών Αδένων" Ιατρικής Σχολής Θεσσαλονίκης. Το ερευνητικό του ενδιαφέρον εστιάζεται στον καρκίνο θυρεοειδούς, έχοντας λάβει υποτροφία για διεξαγωγή Ερευνητικού Προγράμματος από την Ευρωπαϊκή και Ελληνική Ενδοκρινολογική Εταιρεία. Έχει λάβει το πτυχίο του από την Ιατρική Σχολή του Αριστοτέλειου Πανεπιστημίου Θεσσαλονίκης και από τη Στρατιωτική Σχολή Αξιωματικών Σωμάτων. Κατά τη συμμετοχή του ως Μόνιμος Αξιωματικός σε Ειρηνευτική Αποστολή - ΝΑΤΟ έλαβε Τιμητική Διαμνημόνευση. Ειδικεύτηκε στην Ενδοκρινολογία στην Παθολογική Κλινική του 401 Γενικού Στρατιωτικού Νοσοκομείου Αθηνών και στην Πανεπιστημιακή Θεραπευτική Κλινική του Γενικού Νοσοκομείου "Αλεξάνδρα". Έχει βραβευτεί οκτώ φορές έως σήμερα από την Ελληνική Ενδοκρινολογική Εταιρεία, για επιστημονικές εργασίες και δημοσιεύσεις με θέμα τον καρκίνο θυρεοειδούς και την κλινική ενδοκρινολογία. Επίσης έχει βραβευτεί στο Πανευρωπαϊκό Συνέδριο Νέων Ενδοκρινολόγων για την καλύτερη εργασία στο επιστημονικό πεδίο του Θυρεοειδούς με θέμα το μοριακό προφίλ ασθενών με Μυελοειδές Καρκίνωμα Θυρεοειδούς. Ειδικεύεται στην αντιμετώπιση παθήσεων του θυρεοειδούς (καλοήθεις και κακοήθεις) μεταξύ των οποίων, Μυελοειδές καρκίνωμα θυρεοειδούς, Αναπλαστικό καρκίνωμα θυρεοειδούς, Μεταστατικό καρκίνωμα θυρεοειδούς καθώς και στις διαταραχές οστικού μεταβολισμού (οστεοπόρωση). Τέλος, ο γιατρός διατελεί μέλος της Ελληνικής και Ευρωπαϊκής Ενδοκρινολογικής Εταιρείας, της Ευρωπαϊκής Ένωσης Θυρεοειδούς, της Ελληνικής Εταιρείας Υγρής Βιοψίας και της Συμβουλευτικής Επιτροπής του Ελληνικού Δικτύου Μοριακής Ογκολογίας (ΕΔΙΜΟ).

Tantalaki Eua is an endocrinologist with a private practice in Ilioupoli. She holds a degree from the University of Stara Zagora in Bulgaria. In 2008, she obtained her specialty certification and is currently a PhD holder from the National and Kapodistrian University of Athens. In recent years, she has maintained a private practice in a space designed to inspire comfort and trust in patients. Her clinic is fully equipped with state-of-the-art devices to ensure optimal patient care. The endocrinologist manages cases spanning the full spectrum of endocrinology, providing comprehensive patient education and evidence-based treatment plans. Committed to continuous education, she has actively participated in numerous conferences both in Greece and internationally. Additionally, she has contributed to the authorship of endocrinology notes and books concerning applied endocrinology as well as emergency endocrinopathies.

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.

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. 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.

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).

Marinos Georgios is an Endocrinologist - Diabetologist - Metabolism Specialist and maintains a private practice in Corinth. He holds a degree from the Medical School of the University of Ioannina, with specialization in Ultrasound and Thyroid Nodule Aspiration. He specialized in Endocrinology at the Piraeus “Metaxa” Specialized Anti-Cancer Hospital and served in the Endocrinology Department of the hospital, which is the largest endocrinology clinic in Greece and a training center for thyroid ultrasound. Additionally, he worked as a physician at the 251 General Hospital of Athens. In his private practice, he assists patients in addressing any issues related to Endocrinology, Metabolism, and Diabetes Mellitus, with the capability of performing thyroid ultrasounds certified by the Ministry of Health.

Dr. Mamalis Dimitris is a specialized Endocrinologist – Diabetologist and Metabolism Specialist, with a particular focus on thyroid disorders, Diabetes, Gestational Diabetes, and Obesity management.

He maintains a private practice in Ampelokipoi and Livadeia.

He graduated from Medical School in 2004. He specialized at the University Clinic of Düsseldorf (Germany) and in the Endocrinology Clinic of the General Hospital of Athens "Evangelismos."

He gained significant experience in the management of Gestational Diabetes at the Gestational Diabetes Department of the University Clinic of “Alexandra” Hospital.

Additionally, he specialized in the management of menopause disorders at the corresponding department of the University Hospital “Aretaieio.”

He has conducted research on Gitelman and Bartter syndromes. (Saudi J Kidney Dis Transpl Jan-Feb Persistent Hypokalemia due to a rare mutation in Gitelman's Syndrome.)

In 2020, he completed with distinction courses at Yale University, USA, in Political Science: "The Strategy of Negotiations" and

at Harvard University (Harvard, USA): "Rhetoric, the Art of Persuasion in Written and Public Speaking."

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.

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.

Kintiraki Euaggelia MSc, PhD is an Endocrinologist who maintains a private practice in Evosmos, Thessaloniki. She holds a PhD from the Aristotle University of Thessaloniki in the Reproduction Unit of the 1st Obstetrics and Gynecology Clinic at the General Hospital of Thessaloniki "Papageorgiou" and holds a postgraduate specialization diploma with distinction in Medical Research Methodology from Aristotle University of Thessaloniki. For several years, she worked in Endocrinology Clinics of hospitals in Thessaloniki to acquire her specialty in Endocrinology, Diabetes Mellitus, and Metabolism. Specifically, she was employed at the General Hospital of Thessaloniki "Agios Pavlos," the Cancer Hospital of Thessaloniki "Theageneio," as well as the 3rd University Clinic of Aristotle University of Thessaloniki at the General Hospital "Papageorgiou." Finally, the doctor is a member of the Hellenic Atherosclerosis Society, the Hellenic Endocrinological Society, and the Thessaloniki Medical Association.

Kakoulidis Ioannis is an Endocrinologist - Diabetologist maintaining a private practice in Nea Ionia. He holds a degree from the Medical School of the National and Kapodistrian University of Athens and a Master's degree in "Research in Female Reproduction" from the Medical School of NKUA. He specialized in Endocrinology at the Department of Endocrinology, Diabetes, and Metabolism of the General Hospital - Maternity Hospital of Athens “Elena Venizelou.” During his specialization, he focused on Pregnancy Endocrinology and Andrology, and received training in thyroid ultrasound. He has participated in conferences both in Greece and internationally and has been actively involved in the design and implementation of prospective and retrospective studies in the Endocrinology department, which have been subsequently published or presented in national and international journals and conferences. In 2019, he was awarded by the Hellenic Endocrine Society with the I. Giannatos Award for Best Research Work in Clinical Endocrinology. His practice manages cases covering the entire spectrum of Endocrinology, specifically: Thyroid - Parathyroid Glands, Gestational Diabetes, and Pregnancy Endocrinology.

Spanoudi Filio MD, PhD is an Endocrinologist - Diabetologist with a private practice in Ampelokipoi. She holds a PhD from the Medical School of the National and Kapodistrian University of Athens, with a doctoral thesis on diabetes mellitus and thyroid disease, and is a graduate of the Medical School of the University of Padua in Italy. She also holds a postgraduate diploma in Health Unit Management from the Hellenic Open University, with a thesis on polycystic ovary syndrome. She has served as an endocrinology trainee at the Endocrinology Department of the General Maternity Hospital of Athens "Elena Venizelou," where she specialized in pregnancy endocrinology and reproductive endocrinology, as well as a pathology trainee and later scientific collaborator at the B' Propaedeutic Medical Clinic - Research Unit of the University General Hospital "Attikon," where she completed her doctoral dissertation and conducted research on diabetes mellitus. She has extensive research experience with publications of original papers in Greek and international medical journals and presentations at international and Greek conferences. The physician has significant clinical experience and specializes in endocrinological monitoring of pregnancy, thyroid disorders, diabetes, polycystic ovary syndrome, and reproductive endocrinology. The practice also manages cases of osteoporosis, dyslipidemia, obesity, parathyroid gland diseases, pituitary gland disorders, adrenal gland conditions, as well as other diseases related to the scientific fields of Endocrinology, Diabetes Mellitus, and Metabolism. Finally, the physician is a member of scientific endocrinology and diabetes societies and actively participates in conferences held both in Greece and abroad.

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.

Vatalas Ioannis - Anastasios is an Endocrinologist with a private practice in Ampelokipoi, while also serving as an endocrinologist at the National Bank Personnel Health Fund. He holds a PhD in Medicine with distinction from the National and Kapodistrian University of Athens and holds a medical degree from the same institution. He obtained his specialization in Endocrinology at the "Korgialeneio-Benakeio" Hospital of Athens. He has a significant research portfolio, with original publications in international scientific journals and active participation in numerous endocrinology conferences both in Greece and abroad. Additionally, Dr. Vatalas is a member of the European Society of Endocrinology, the American Association of Clinical Endocrinologists, the Hellenic Endocrine Society - Panhellenic Association of Endocrinologists, the Hellenic Diabetes Association, the Hellenic Medical Society for Obesity, and the Hellenic Society for the Study of Bone Metabolism.

Vasileiou Agathi is an Endocrinologist and PhD Candidate at the Medical School of the University of Thessaly, with a private practice in Larissa. She studied at the Medical School of the National and Kapodistrian University of Athens. Subsequently, she specialized at the University Clinic of Endocrinology and Metabolic Diseases of the University General Hospital of Larissa, with which she continues to collaborate on a research level. She has many years of experience and expertise in thyroid diseases, diabetes mellitus, gestational diabetes, hyperlipidemias, osteoporosis, menopause, polycystic ovary syndrome, male and female infertility, as well as diseases of the pituitary gland, adrenal glands, and parathyroid glands.

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.