Katsogiannos Petros is an Endocrinologist – Diabetologist who maintains a private practice in Pallini while also collaborating with the private hospital "Hygeia." He is distinguished by his combined experience in clinical practice, research, and university education. He graduated from the Medical School of Semmelweis University and earned a Doctor of Medicine (PhD) degree from Uppsala University, with research work in the field of endocrinology. He has worked as a Senior Endocrinologist – Diabetologist at Uppsala University Hospital and currently serves as a Senior Consultant at Linköping University Hospital. In the past, he served for several years as a resident and then as a Consultant in the Department of Internal Medicine and Endocrinology at Uppsala University Hospital, gaining extensive experience in the diagnosis and treatment of thyroid diseases, diabetes mellitus, pituitary disorders, and osteoporosis. Combining clinical practice with research activity, Katsogiannos Petros is a scientist with an international orientation and a modern, evidence-based approach to patient care. He offers comprehensive diagnosis and treatment for endocrinological, diabetological, and metabolic diseases, thyroid gland disorders (hypothyroidism, hyperthyroidism, thyroid nodules, thyroid malignancy, Hashimoto's thyroiditis, thyroid and pregnancy), parathyroid diseases (hyperparathyroidism, hypocalcemia, vitamin D deficiency), osteoporosis, pituitary diseases, adrenal diseases, polycystic ovary syndrome, male hypogonadism, endocrine hypertension, type 1 diabetes mellitus (insulin pump, continuous glucose monitoring system) and type 2 diabetes as well as gestational diabetes with endocrinological disorders during pregnancy and the postpartum period, metabolic control – dyslipidemias, and obesity management.