Conducts diagnosis and treatment of carbohydrate metabolism disorders (impaired glucose tolerance / prediabetes / diabetes mellitus types 1 and 2), diagnosis of complications of diabetes mellitus, including determination of the main types of sensitivity to prevent the development of diabetic foot syndrome, individual and group training of patients with diabetes mellitus Types 1 and 2, including transfer to pump insulin therapy, installation and interpretation of continuous glucose monitoring data (CGMS iPro2), correction of Medtronik paradigm insulin pump settings, Accu-Chek Spirit Combo, thyroid diseases (hypo/hyperthyroidism, including Graves’ disease, malignant neoplasms of the thyroid gland), preparing patients for radioactive iodine therapy and surgery, treatment of endocrine ophthalmopathy together with an ophthalmologist, diagnosis and treatment of osteoporosis/pituitary adenoma (Prolactinoma, Acromegaly (GH-secreting), Itsenko-Cushing’s disease, TSH -secreting, hormonally inactive)/hypopituitarisis (central diabetes insipidus), bioimpedance study of human body composition, adrenal diseases (space-occupying formations, hyper- and hypofunction of the adrenal glands), hyperadrogenism syndrome of various etiologies, gynecological endocrinology (various types of hypogonadism (hyper-, hypogonadotropic) , hypoalamic, including due to anorexia)/amenorrhea/menstrual irregularities/infertility of endocrine origin), endocrine diseases at the planning stage and during pregnancy in the postpartum period, male hypogonadism at any age, including age-related normogonatropic hypogonadism in older men groups, gynecomastia in men.