Endocrinologists

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."

Niagasa Xristina is an Endocrinologist-Diabetologist and maintains her private practice in Paleo Faliro. She is a summa cum laude graduate of the Medical School of the University of Aquila in Italy. She specialized at Hippocratio General Hospital of Athens (G.N.A.). During her specialty training, she also received education in managing endocrine disorders during pregnancy at "Elena Venizelou" General Hospital, and in the Endocrinology Department of Growth and Development at "Panagiotis and Aglaia Kyriakou" General Pediatric Hospital of Athens (G.N.P.A.). The physician has clinical experience in a wide range of endocrine disorders, including diabetes mellitus, diseases of the thyroid and parathyroid glands, osteoporosis and calcium metabolism disorders, menstrual and menopausal disorders, hypogonadism, adrenal and pituitary diseases, endocrine hypertension, obesity, lipid disorders, and endocrine disorders during pregnancy. She manages all cases with a patient-centered approach, taking into account the individualized needs of each patient she treats. Finally, the doctor participates in numerous conferences as part of her continuous education and is a member of the Hellenic Endocrine Society and the Hellenic Diabetological 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.

Andreas Rizoulis MD, PhD is an Endocrinologist who maintains a private practice in Larissa. He holds a doctorate from the University of Thessaly and a medical degree from the Medical School of Aristotle University of Thessaloniki. He specialized in Endocrinology at the University General Hospital of Larissa and attended a postgraduate program in Primary Health Care. In his private practice, he offers a wide range of services, tailored to the individual needs of each patient.

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.

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.

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.

Sofias Aleksandros - Premedicare is an Endocrinologist, a graduate of the Medical School of the National and Kapodistrian University of Athens. Following two years of training in the Internal Medicine Department of the 7th IKA Hospital and four years of work at the Aspropyrgos refinery clinic as an on-call physician, he specialized in the Endocrinology Department of the General Hospital of Athens "Evangelismos". There, he actively participated in the Endocrinology Laboratory - Dynamic Testing Unit, the endocrinology clinic, outpatient clinics, and specialized clinics for Type 1 Diabetes Mellitus, pituitary disorders, diabetic nephropathy, and osteoporosis. He gained significant experience in adrenal gland diseases, pituitary disorders, and thyroid cancer. Additionally, he has taken part in numerous weekly interdisciplinary clinical case discussions and literature updates of the department, coordinated by Director Dr. Stylianos Tsagkarakis. Since then, he has participated in numerous conferences and has served as a reviewing physician for MedNet Greece SA, while continuing to provide high-quality services to his patients.

Zontanos Fotis is an Endocrinologist who has maintained a private practice in Neos Kosmos since 2002. He graduated from the Medical School of Aristotle University of Thessaloniki and specialized in Endocrinology at the University Clinic of Pathology - Physiology of the General Hospital of Athens “Laiko.” He is specialized in diabetes mellitus, thyroid diseases, as well as menstrual disorders. His private practice offers a wide range of services, tailored to the individual needs of each patient.

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.

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.

Diamantopoulos Aristeidis Aris is a graduate physician of the Medical School of the National and Kapodistrian University of Athens and obtained his professional license in 2015. He was a trainee in Internal Medicine at the General Hospital of Nea Ionia - Patision from 2016 to 2018, and from 2018 to 2023 he specialized in "Endocrinology – Diabetes – Metabolism" at the Endocrinology Department – Diabetes Center of the General Hospital of Athens "Evangelismos," which has also been certified as a National and European Reference Center for "Pituitary - Adrenal - Thyroid Cancer." Concurrently, since 2021, he has been pursuing a PhD at the Medical School of the National and Kapodistrian University of Athens. As an endocrinologist – diabetologist, he has contributed to numerous publications in reputable Greek and international medical journals. He has also received awards at conferences, including the "Young ESE Investigator Award 2022" from the European Society of Endocrinology. In addition to clinical and research studies, he has participated in multiple conferences in Greece and abroad, presenting lectures, oral communications, and posters. In his private practice, he manages cases spanning the entire spectrum of Endocrinology and Diabetes Mellitus, with the primary concern being the benefit of the patient.

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.

Dr. Peirounaki Eleutheria, MD, is an Endocrinologist and holds a PhD from the Medical School of Ludwig Maximilians University Munich, Germany, with a private practice in Ilioupoli. She is also an External Endocrinology Collaborator at Mitera Hospital. She studied at the Medical School of the National and Kapodistrian University of Athens and specialized in Endocrinology, Diabetology, and Metabolism at TU Munich University and Duisburg-Essen University in Germany. She has worked as a Specialist Endocrinologist-Diabetologist at the Endocrinology Center of Munich, Endokrinologikum München, and as a Specialist Endocrinologist-Diabetologist and Head of regular Endocrinology clinics at Klinikum Bogenhausen in Munich, Germany. Finally, Dr. Peirounaki is specialized in osteoporosis, diabetes mellitus, thyroid, and parathyroid glands.

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.