48 Best Endocrinology Doctors in Istanbul

Associate Professor Esra Demir is a senior internal medicine specialist at Medipol Acibadem District Hospital. She has served as a key researcher in five major international clinical trials for diabetes and metabolic health.

• Specialises in managing type 2 diabetes and complex thyroid disorders
• Researched GLP-1 agonist therapies including semaglutide and liraglutide
• Gained international clinical experience working at the Turkish Hospital in Qatar
• Holds an academic position at Istanbul Medipol University faculty of medicine
• Participated in global research studies approved by the Turkish Medicines Agency

Dr Mustafa Aydin provides evidence-based care for adult patients at Ümran Medical Centre, specialising in the management of complex metabolic and endocrine conditions.

• Treats thyroid disorders and thyroid hormone imbalances
• Manages diabetes mellitus through personalised health plans
• Controls hyperlipidemia by regulating fats and cholesterol in the blood
• Utilises preventive risk assessments to enhance long-term health
• Focuses on accurate diagnosis using a patient-oriented approach

Professor Uzum serves as the Vice President of the Turkish Society of Endocrinology and Metabolic Diseases and leads endocrine care at Biruni University Hospital.

• Subspecialised in endocrinology at Istanbul University's premier medical faculty
• Recipient of national awards for clinical research into diabetes and metabolic health
• Expertise across thyroid nodules, pituitary disorders, and adrenal gland diseases
• Active member of the European Society of Endocrinology and the Endocrine Society

Dr Mehmet Fatih Kilicli is a senior internal medicine specialist at Medipol Acibadem Hospital, focusing on thyroid disorders and complex metabolic health.

• Specialises in thyroid disease management, including autoimmune thyroiditis and radioiodine therapy
• Treats adrenal adenomas and manages hormone-related metabolic disorders
• Performs bioidentical hormone replacement therapy (BHRT) for endocrine imbalances
• Expertise in diabetes care, including stem cell therapy and metabolic surgery preparation
• Former faculty member at Cumhuriyet University Faculty of Medicine

Dr GÖKDERELİ is the founder of Başarı Hastanesi and a specialist surgeon who provides surgical consultations for complex thyroid and endocrine conditions.

• Manages thyroid disease and related surgical interventions
• Specialises in obesity surgery and weight-loss management
• Oversees coordinated care across endocrine and digestive health
• Chair of the Board for the Association of All Health Institutions
• Member of the Turkish Surgical Society

Professor Hertoghe founded the Hertoghe Longevity Approach, focusing on bio-identical hormone therapy and aging management. He leads hormone and metabolic health programmes at the Ebru Ünal clinic in Istanbul.

• Specialises in Bio-identical Hormone Therapy (BHRT) for menopause and hormonal imbalances
• Uses holistic assessments that combine laboratory values with metabolic status and physical symptoms
• Offers 12-day structured longevity and hormone optimisation programmes
• Manages complex cases including chronic fatigue, erectile dysfunction, and growth hormone therapy
• Integrates thyroid and stress hormone evaluation with sex hormone and nutritional balance

Dr. Hatice Karakose Dogan is an immunologist at Emsey Hospital in Istanbul. She treats immune system disorders and endocrine-related conditions. Dr. Dogan conducts online consultations for international patients. She works at a clinic with TEMOS and ISO 9001 certifications. Emsey Hospital is also a WHO and UNICEF Baby-friendly Hospital.

• Member of the Turkish Medical Association.
• Treats patients at a facility with over 250 beds.
• Works at a clinic that serves nearly 5,000 patients annually.

Dr. Serap Baydur is an endocrinologist at Medistate Hospital Istanbul. She treats hormonal and metabolic disorders including type 2 diabetes and adrenal adenoma. Dr. Baydur works at a JCI-accredited facility, a certification for patient safety and care quality.

• Manages autoimmune thyroiditis and diffusive-toxic goiter.
• Treats diabetes mellitus using stem cell therapy.
• Conducts online consultations for international patients.
• Works at a clinic that treats more than 200,000 patients annually.

Dr. Kenan Yilirim is a dietitian at Derindere Hospital in Istanbul. He manages nutritional therapy for endocrine and gastrointestinal disorders, focusing on metabolic health and digestive function. He works at a facility that treats over 100,000 patients annually. The clinic holds a TÜV AUSTRIA certificate for meeting international safety and quality standards.

Dr Kokrek focuses on chronic diabetes management at Medipol Mega University Hospital. She brings a deep understanding of how daily life and work involvements impact metabolic health.

• Treats chronic diabetes through patient-centred management protocols
• Integrates occupational medicine expertise to help patients balance work and treatment
• Formerly based at Haseki Education and Research Hospital
• Collaborated with the Halic University Foundation for Children with Leukemia
• Provides long-term care for complex metabolic conditions

Professor Ilker Tolga Özgen is a leading specialist in pediatric endocrinology at Biruni University Hospital. He has received multiple first-place national awards for his research into growth disorders and hormonal conditions in children.

• Treats growth retardation, early puberty, and thyroid disorders in children
• Expert in managing adolescent issues like menstrual irregularities and increased hair growth
• Performs radioiodine therapy for pediatric thyroid conditions to avoid invasive surgery
• Specialises in childhood diabetes management and childhood obesity metabolic disorders
• Member of the Pediatric Endocrinology and Diabetes Association