Belgin Küçükkaya, MD

Belgin Küçükkaya, MD is an Internal Medicine specialist at Acibadem Kozyatagi Hospital in İstanbul. She practices within the Internal Medicine unit, with subspecialty interests in Functional Medicine and Thyroid Diseases and Treatment. Her clinical work covers hypertension, chronic and metabolic diseases, thyroid disorders, obesity, clinical nutrition and geriatric health, and she has more than 36 years in medicine.

Dr. Küçükkaya graduated from Hacettepe University Faculty of Medicine in 1990 and completed her Internal Medicine training at Fatih Sultan Mehmet Training and Research Hospital in 2009. Between 1996 and 1997 she worked as a specialist physician at Marmara University Hospital in İstanbul, and from 1997 to 2002 she served as general manager of Büyük Swisslab Clinic in İstanbul. She subsequently held specialist physician positions at İstanbul Fatih Sultan Mehmet Hospital (2008–2009), Sandıklı State Hospital in Afyon (2009–2010), Universal Hospital (2010–2011) and Bayındır Hospital (2011–2014) in İstanbul, Yaşam Hospital in Antalya (2015–2019), Medikalpark Hospital in Antalya (2019–2020) and Medikalpark Hospital in İstanbul Göztepe (2020–2025). In 2025 she joined Acıbadem Healthcare Services.

Clinical focus

Dr. Küçükkaya’s practice centers on the assessment and medical management of conditions commonly seen in internal medicine. These include hypertension, upper respiratory tract diseases, and the diagnosis and treatment of metabolic disease. She manages obesity with an approach that incorporates clinical nutrition, and she provides thyroid disease treatment within the Thyroid Diseases and Treatment unit. Her clinical interests also extend to diseases of the pancreas, liver and bile ducts.

A further part of her work involves the long-term care of patients with ongoing health conditions, including chronic disease management and geriatric health. She also works in functional medicine, longevity applications and ozone therapy. Medical treatments are planned on an individual basis after clinical evaluation, and the suitability of any given approach depends on the patient’s overall health and the findings of the assessment.

How Dr. Küçükkaya works with international patients

Dr. Küçükkaya consults in Turkish and English, and interpreters can be arranged for patients who speak other languages. The international patient team coordinates the collection of prior reports and imaging, arranges appointments and organizes the hospital visit. A first consultation typically covers the patient’s history and symptoms, a review of existing imaging and previous treatments, a clinical examination and a discussion of the options. Video consultation is available for international patients who wish to discuss their situation with Dr. Küçükkaya before traveling.