Endocrinologists

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.

Dr. Paparodis Rodis, MD, is an Endocrinologist and maintains a private practice in Patras. He is a Visiting Professor of Endocrinology and a Visiting Professor at the Center for Diabetes and Endocrinology Research (CEDER) at the University of Toledo. The aim of the Endocrinology, Diabetes, and Metabolism clinic of Dr. Rodis D. Paparodis is to provide tertiary care to patients, as delivered during the physician’s long-standing academic career in the United States of America. The physician has received multiple honorary distinctions for his research work, both from The Endocrine Society and the American Association for Cancer Research.

Dr. Grammatikou Sofia, MD, PhD, is an Endocrinologist with a private practice in Chaidari. She holds a PhD from the Medical School of the National and Kapodistrian University of Athens with a dissertation titled "Health Maintenance Intervention in the Prevention of Type 2 Diabetes Mellitus." She is also a graduate of the Medical School of the National and Kapodistrian University of Athens and specialized in Endocrinology at the Korgialenio-Benakeio General Hospital of Athens. Dr. Grammatikou manages cases across the entire spectrum of Endocrinology, with particular expertise in the management of gestational diabetes as well as type 1 and type 2 diabetes. She is specialized in monitoring diabetic patients using insulin pumps. The clinic is equipped with modern thyroid ultrasound technology. During a diabetic patient visit, a comprehensive clinical examination, neuropathy assessment, training on the use of injectable therapeutic treatments, and dietary guidance are provided. Finally, Dr. Grammatikou is a member of the Athens Medical Association, the Hellenic Endocrinological Society, and the Hellenic Diabetes Association.

Vogiatzi Euaggelia is a Military Physician - Endocrinologist and maintains a private practice in Ilioupoli. She is a graduate of the Medical School of Aristotle University of Thessaloniki and the Military Officer School of Corps. She has many years of experience and has served as a Specialty Internal Assistant in the Endocrinology - Diabetes - Metabolism department as well as in the Gestational Diabetes department of the General Hospital of Athens "Alexandra" and until recently at the General Hospital of Athens Sismanogleio - Amalia Fleming.

Theodoridou Tzouli is an Endocrinologist – Diabetologist with a private practice in Thessaloniki.

Her primary focus is weight loss and metabolic health in individuals who are tired of diets and restrictions — but do not see results.

Her approach is based on identifying the underlying causes that block the body — hormonal, metabolic, nutritional, and lifestyle-related — and creating personalized strategies that lead to effective outcomes.

Medical Education & Experience

She graduated from the Medical School of the State Academy of Saint Petersburg.

She has trained and worked in major hospitals in Thessaloniki (AHEPA, Papageorgiou, Theageneio, Agios Pavlos), gaining significant clinical experience across the full spectrum of endocrinology and metabolic diseases.

She combines contemporary endocrinology with nutrition (holder of a Nutritionist diploma).

Areas of Expertise

• Weight loss & metabolic balancing

• Thyroid disorders & ultrasound

• Diabetes mellitus & metabolic syndrome

• Hormonal disorders & women's health (menstrual cycle, pregnancy, menopause)

Her practice provides comprehensive medical assessment, enabling each patient to gain a clear understanding of their body and receive a targeted plan from the very first visit.

She caters to those who want to understand their body, invest in their health, and achieve lasting change.

Η κ. Μοναστηριώτη Νικολέττα είναι Ενδοκρινολόγος-Διαβητολόγος και διατηρεί το ιδιωτικό της ιατρείο στη Νέα Κηφισιά. Εχει πραγματοποιήσει την εξειδίκευση της στην Υπερηχογραφίκη εκτίμηση παθήσεων του θυρεοειδούς αδένα, στο αντικαρκινικό νοσοκομείο Πειραιά ''Μεταξά'' και έλαβε την άδεια εκτέλεσης υπερήχων θυρεοειδούς αδένα. Είναι πτυχιούχος της Ιατρικής Σχολής του Πανεπιστημίου Πατρών, απ' όπου και αποφοίτησε το 2013. Ειδικεύτηκε στην Ενδοκρινολογία στη Μονάδα Ενδοκρινολογίας και Κέντρο Μεταβολισμού και Σακχαρώδους Διαβήτη στο Γενικό Νοσοκομείο Αθηνών ''Γεώργιος Γεννηματάς'' και στην Παθολογική κλινική του Γενικού Νοσοκομείου Κέρκυρας. Κατά τη διάρκεια της ειδικότητας της, εκπαιδεύτηκε, επίσης, στο τμήμα Κλιμακτηρίου και Εμμηνόπαυσης στη Β' Μαιευτική και Γυναικολογική Κλινική Πανεπιστημίου Αθηνών, στις Ενδοκρινικές Παθήσεις κατά την Κύηση στο Ενδοκρινολογικό Τμήμα ΓΝ '' Έλενα Βενιζέλου'' και στην Παιδοενδοκρινολογία στο Ενδοκρινολογικό τμήμα Αύξησης και Ανάπτυξης, Γ.Ν.Π.Α ''Παναγιώτη & Αγλαΐας Κυριακού''. Έχει ολοκληρώσει με επιτυχία τον κύκλο μαθημάτων του Προγράμματος Μεταπτυχιακών σπουδών '"Έρευνα στη γυναικεία αναπαραγωγή'' της Ιατρικής Σχολής του Εθνικού & Καποδιστριακού Πανεπιστημίου Αθηνών. Διατελεί μέλος του Ιατρικού Συλλόγου Αθηνών και της Ελληνικής Ενδοκρινολογικής Εταιρείας. Έχει συμμετάσχει σε πληθώρα ελληνικών και διεθνών συνεδρίων και σεμιναρίων Ενδοκρινολογίας και Σακχαρώδους Διαβήτη με συνεχή ενημέρωση για τις εξελίξεις της επιστήμης στον τομέα της. Έχει εκπαιδευτεί και διαθέτει μεγάλη κλινική εμπειρία σε μεγάλο εύρος ενδοκρινολογικών παθήσεων, συμπεριλαμβανομένων του σακχαρώδη διαβήτη, των νοσημάτων θυρεοειδούς και παραθυρεοειδών αδένων, της οστεοπόρωσης και των νοσημάτων του μεταβολισμού ασβεστίου, των διαταραχών εμμήνου ρύσεως και εμμηνόπαυσης, του υπογοναδισμού, των νοσημάτων των επινεφριδίων και της υπόφυσης, της ενδοκρινικής υπέρτασης, της παχυσαρκίας, των διαταραχών λιπιδίων και των ενδοκρινοπαθειών κατά την κύηση. Στο ιατρείο της αντιμετωπίζει εξατομικευμένα και με ενσυναίσθηση τον κάθε ασθενή, με σκοπό την παροχή υψηλού επιπέδου υπηρεσιών.

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.

Ο Μαλλιόπουλος Δημοσθένης είναι Ενδοκρινολόγος και διατηρεί ιδιωτικό ιατρείο στην Ηλιούπολη. Είναι πτυχιούχος της Ιατρικής Σχολής του Αριστοτελείου Πανεπιστημίου Θεσσαλονίκης και της Στρατιωτικής Σχολής Αξιωματικών Σωμάτων. Επιπλέον, είναι κάτοχος Μεταπτυχιακού Διπλώματος Ειδίκευσης με θέμα "Έρευνα στη γυναικεία αναπαραγωγή" από την Ιατρική Σχολή Αθηνών. Εκπαιδεύτηκε στο τμήμα επειγόντων περιστατικών του Madigan Army Medical Center-Washington, το οποίο είναι ένα από τα μεγαλύτερα στρατιωτικά νοσοκομεία στις ΗΠΑ. Μετά το πέρας της εκπαίδευσης εργάστηκε ως ιατρός σε Στρατιωτικό Νοσοκομείο του ΝΑΤΟ στην Καμπούλ του Αφγανιστάν, όπου του απενεμήθη τιμητικό μετάλλιο για τις προσφερθείσες υπηρεσίες. Υπηρέτησε ως Υπίατρος για δύο έτη σε μονάδα καταδρομών στο Μεγάλο Πεύκο Αττικής και είναι αλεξιπτωτιστής. Για την ειδικότητα της ενδοκρινολογίας εκπαιδεύτηκε αρχικά επί 2 έτη στη Β’ Παθολογική Κλινική - Διαβητολογικό Κέντρο του Νοσοκομείου ΝΙΜΤΣ με διευθυντή τον γνωστό Διαβητολόγο Δρ Μυγδάλη Ηλία, δίπλα στον οποίο απέκτησε μεγάλη εμπειρία στο χειρισμό ασθενών με σακχαρώδη διαβήτη. Στη συνέχεια, εργάστηκε ως ειδικευόμενος ενδοκρινολόγος στη Μονάδα Ενδοκρινολογίας, Μεταβολισμού και Διαβήτη της Α’ Παιδιατρικής Κλινικής Πανεπιστημίου Αθηνών στο Γενικό Νοσοκομείο Παίδων "Αγία Σοφία’", με διευθυντή τον παγκοσμίως γνωστό για το επιστημονικό του έργο Καθηγητή Κο Χρούσο Γεώργιο με τον οποίο συνεργάστηκε στενά το ίδιο διάστημα παρακολουθώντας παιδιά με ενδοκρινοπάθειες στη Μονάδα Ενδοκρινολογίας, Μεταβολισμού και Διαβήτη του Πανεπιστημίου Αθηνών στο Ευγενίδειο Θεραπευτήριο. Η εκπαίδευση του στην ενδοκρινολογία ολοκληρώθηκε στην Ενδοκρινολογική Κλινική - Διαβητολογικό Κέντρο του Γενικού Νοσοκομείου Αθηνών "Γ. Γεννηματάς". Κατά την ειδίκευση του εκεί απέκτησε μεγάλη εμπειρία στην παρακολούθηση ασθενών από όλο το φάσμα της ενδοκρινολογίας και κυρίως αυτών με παθήσεις επινεφριδίων και ενδοκρινικής υπέρτασης που είναι και το επιστημονικό ενδιαφέρον της συγκεκριμένης κλινικής. Έλαβε τον τίτλο της ειδικότητας της ενδοκρινολογίας τον Ιούλιο του 2014. Εργάστηκε επί 4 έτη ως Επιμελητής του Ενδοκρινολογικού Ιατρείου στο Νοσοκομείο ΝΙΜΤΣ. Σε αυτό το διάστημα, έλαβε 6μηνη εκπαίδευση στους υπερήχους θυρεοειδούς στο Αντικαρκινικό - Ογκολογικό Νοσοκομείο "Μεταξά". Από το 2020 μέχρι σήμερα εργάζεται ως Επιμελητής στην Ενδοκρινολογική Κλινική του 401 Γενικού Στρατιωτικού Νοσοκομείου Αθηνών και έχει το βαθμό του Αντισυνταγματάρχη. Έχει ενεργό συμμετοχή σε επιστημονικές εργασίες και στη συγγραφή άρθρων σε διεθνή επιστημονικά περιοδικά, ενώ έχει παρουσιάσεις σε ενδοκρινολογικά συνέδρια. Συνεχίζει την εκπαίδευση του με την τακτική συμμετοχή σε ετήσια σεμινάρια της Ευρωπαϊκής (Εuropean Society of Endocrinology) και Αμερικάνικης Ενδοκρινολογικής Εταιρίας (Endocrine Society) των οποίων και είναι μέλος. Επίσης είναι ενεργό μέλος της Ελληνικής Ενδοκρινολογικής Εταιρείας και της Ελληνικής Διαβητολογικής Εταιρείας. Τέλος, από το 2014 είναι επιστημονικά υπεύθυνος του Ενδοκρινολογικού τμήματος του Πολυϊατρείου Lifecheck Ηλιούπολης.

Litsas Ioannis is an Endocrinologist - Diabetologist and maintains a private practice in Evosmos, Thessaloniki. He holds a degree from the Medical School of the National and Kapodistrian University of Athens and specializes in diabetes mellitus, thyroid disorders, menstrual disorders, osteoporosis, obesity and metabolism, and gynecological endocrinology. Additionally, Dr. Litsas is a scientific collaborator of the Pregnancy Endocrinology Unit of the 1st Obstetrics and Gynecology Clinic of Aristotle University at the General Hospital of Thessaloniki "Papageorgiou." In his private practice, he provides services across the entire spectrum of endocrinology tailored to the specific needs of his patients. Finally, Dr. Litsas is a member of the Hellenic Endocrine Society.

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.

Drimala Panagiota is an Endocrinologist - Diabetologist and maintains a private practice in Ampelokipoi. She studied at the Medical School of the National and Kapodistrian University of Athens. She specialized in Endocrinology, Diabetes, and Metabolism at the largest independent Endocrinology Clinic and Diabetology Center in the country, located in the “Evangelismos” hospital. There, she gained extensive experience in managing patients with diabetes mellitus. Additionally, she specialized in gestational diabetes and thyroid disorders during pregnancy at the “Alexandra” and “Elena Venizelou” hospitals. As part of her continuous education, she has attended postgraduate programs related to Human Reproduction, Childhood Obesity, as well as specialization in Thyroid Ultrasound at the National and Kapodistrian University of Athens.

Mpogiatzidou Maria MD, PhD is a Military Physician - Endocrinologist and maintains a private practice in Nea Smyrni. She holds a doctorate from the Medical School of the University of Patras in the field of Pediatric Endocrinology. She graduated from the Hellenic Army Academy of Combat Officers (SSAS) and the Medical School of Aristotle University of Thessaloniki, specializing in Pathology and Endocrinology at the 401 General Military Hospital of Athens as well as in the Pediatric and Endocrinology Clinic of the University General Hospital of Patras. She has served as a Senior Military Physician at the 401 General Military Hospital of Athens, Military Physician at the Argirokastro Military Hospital, and in a Military Unit with a specialization in protection against radiological, biological, and chemical warfare. Currently, she continues to serve as a Military Physician in the Armed Forces and is a member of the Hellenic Endocrinological Society and the Hellenic Menopause Society.

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."

Dimitrios Xatzidakis, who maintains a private practice in Chalandri, is an Emeritus Professor of Pathology and Endocrinology at the University of Athens. From 2003 to 2014, he served as Head of the Endocrinology and Metabolism Unit at the University General Hospital “Attikon.” He has extensive professional experience, including 3 years as an Internal Assistant in Pathology Clinics at hospitals in New York, New York Infirmary and Bronx-Lebanon (Albert Einstein College of Medicine), as well as 3 years as a Consultant at Cook County Hospital in Chicago. He continued his career at renowned University Hospitals in Greece (Alexandra General Hospital of Athens, Evangelismos General Hospital of Athens, University General Hospital “Attikon”) and abroad (Department of Internal Medicine - Endocrinology Clinic at the University of Heidelberg as a Postdoctoral Fellow of the Alexander von Humboldt Foundation). In his private practice, he offers specialized services to patients with Bone Metabolism disorders, Diabetes Mellitus, and thyroid gland conditions. The Professor is a member of Scientific Societies related to his field of expertise, both Greek and International. His experience in Endocrinology is the result of ongoing professional development, continuous professional training, and academic research, combining theory with practice over many years.

Oikonomidou Christina is a specialist endocrinologist-diabetologist, with a clinic in Karditsa. She graduated from the Medical School of Aristotle University of Thessaloniki and continued her training in endocrinology-diabetology at the Endocrinology-Diabetology Clinic of the Polyclinic Hospital of Athens, as well as in the Obesity Department of the University Clinic of Laiko Hospital of Athens. She also trained in the use of ultrasound at the Athens General Hospital "Evangelismos," as well as in pediatric endocrinology and adolescent endocrinology at the Children's Hospital Agia Sofia. She specializes in thyroid and parathyroid gland disorders, type 1 and type 2 diabetes mellitus, and gestational diabetes. She also specializes in obesity, osteoporosis, calcium-vitamin D metabolism disorders, and menstrual disorders-polycystic ovary syndrome. She manages growth disorders, short stature, puberty, and pituitary-adrenal gland conditions. She is a member of the Hellenic Endocrine Society, the Obesity Society, the Hellenic Diabetes Association, and the Hellenic Osteoporosis Foundation. The doctor has contributed to the authorship of articles in Greek and international medical journals and has presented papers at global, pan-European, and Greek conferences. The clinic offers medical treatment tailored to the needs of each patient, supported by state-of-the-art diagnostic equipment, including thyroid ultrasounds with color Doppler, providing patients with the most modern and reliable diagnostic and therapeutic methods.

Kozyraki Ariadni is a Specialist Endocrinologist - Diabetologist and maintains a private practice in Thessaloniki. Additionally, she is responsible for the outpatient endocrinology clinic of T.Y.P.E.T. (Health Fund of Employees of the National Bank). She holds a medical degree from the Aristotle University of Thessaloniki School of Medicine and is a candidate for the English-taught postgraduate diploma in Human Reproduction from Aristotle University of Thessaloniki. She specialized in Endocrinology, Diabetology, and Metabolism at the academic hospital of the University of Münster, Klinikum Dortmund, and at the academic hospital of the University of Duisburg-Essen, EvK Herne in Germany. She has worked as a specialist Endocrinologist - Diabetologist at the endocrinology-diabetology center of Dortmund MVZ Eberhard, as well as at the academic hospital of the University of Münster, Klinikum Dortmund. She also holds specializations related to her field, specifically in Osteoporosis Treatment, Lipidology, as well as Thyroid and Parathyroid Ultrasound (including elastography).

Masouras Xaralampos MD is an Endocrinologist with private practices in Peristeri and Kallithea. He graduated from the Medical School of the National and Kapodistrian University of Athens and specialized in Internal Medicine at the 4th Internal Medicine Clinic of the University General Hospital of Athens "Attikon" and in Endocrinology at the 2nd Propaedeutic Internal Medicine Clinic of the same hospital. He completed an internship at the Endocrinology Clinic of the General Hospital of Athens "Korgialeneio - Benakeio" - Hellenic Red Cross. He is a member of the Hellenic Endocrine Society, the European Society of Endocrinology, the Medical Association of Athens, the Association for the Protection of Greek Hemophiliacs, the Hellenic Sepsis Society, and the Skeletal Health Association "Petalouda". Finally, the doctor participates in numerous conferences in Greece and abroad as part of his continuous professional development.