Best Complex Diagnostics of Thyroid Doctors Abroad

Prim. Prof. Univ. Doz. Dr. Anton Staudenherz is a specialist in internal and nuclear medicine at JUVENIS in Vienna. His work focuses on the thyroid. He heads the Clinical Institute for Nuclear Medicine, Molecular Imaging and Special Endocrinology at St. Pölten University Hospital. From 2002 to 2018 he was divisional senior physician for radiology and nuclear medicine at AKH Wien.

He studied medicine at the University of Vienna from 1987 to 1993. He became a specialist in internal medicine in 1999 and in nuclear medicine in 2002. In 2002 he completed his habilitation (venia docendi) in nuclear medicine at the University of Vienna.

Clinical focus: hypo- and hyperthyroidism, follow-up after thyroid cancer, thyroid issues in fertility, and assessment of thyroid causes of weight problems. Languages: German and English.

Dr. Kim Yeonsun is an endocrinologist and Head of the Department of Endocrinology at Naeun Hospital. He treats diabetes, thyroid disease, metabolic syndrome, high cholesterol, osteoporosis, and other endocrine disorders.

He earned his medical degree from Seoul National University College of Medicine. He completed graduate training in internal medicine at Gachon University. He then trained as a clinical fellow in endocrinology at Samsung Medical Center.

He previously served as Head of Internal Medicine at Seoul Red Cross Hospital. He was also a professor of endocrinology and metabolism at Gachon University Gil Medical Center. He is a regular member of the Korean Endocrine Society and the Korean Diabetes Association.

Professor Philipp Riss won the Sandoz Award for Thyroid Research. He leads the Surgical Endocrinology Working Group at Vienna General Hospital (AKH).

• Directs the endocrine surgery department at the Austrian Society for Endocrinology and Metabolism
• Evaluates hormone levels using T3, T4, and TSH function tests during thyroid diagnostics
• Holds the Venia Docendi Award for the highest level of European academic qualification
• Specializes in high-risk cases including autoimmune thyroiditis and rare neuroendocrine tumors
• Expert in radioiodine therapy – uses radioactive iodine to treat overactive thyroid cells

Dr. Mete Gülpınar is an Internal Medicine Specialist at Optimed International Çorlu Hospital. He has over 20 years of hospital and ICU experience. He manages acute and chronic diseases.

Education and accreditation: Gazi University Faculty of Medicine graduate. Completed Internal Medicine training at SSK Ankara Training and Research Hospital (1999–2003). Certified in ozone therapy, mesotherapy, dialysis, specialized clinical treatments, and emergency care.

Career highlights include service at Aksaray State Hospital, Beypazarı State Hospital, Sudan Turkish Hospital, and 29 Mayıs State Hospital. He joined Optimed in 2025. Clinical focus includes ICU management and infectious diseases. He also treats systemic disorders: endocrinology (insulin resistance, thyroid disease, obesity), nephrology (kidney disease and failure), rheumatology, hypertension, hyperlipidemia, gastrointestinal disorders, anemia, vitamin deficiencies, and fatty liver.

The doctor is an experienced radiologist with an extensive clinical background spanning multiple medical institutions. Professional tenure includes positions at the Kayseri Erciyes University Radiology Clinic and Kayseri State Hospital, as well as roles at various private medical centers, including the Academy Medical Center, Anaclinic Medical Center, and Liman Hospital Radiology Clinic.

With a career focused on diagnostic imaging, the doctor has provided radiological services at the Samsun Private Midiliv Medical Center and most recently at the Samsun Büyük Anadolu Hospital. The doctor possesses comprehensive expertise in clinical radiology, contributing to diagnostic accuracy and patient care across diverse healthcare settings.

The doctor is a medical specialist with expertise in their field. They are dedicated to providing high-quality clinical care and maintaining professional standards in medical practice.

Dr. Mucahit Gur provides endocrine evaluations at Emsey Hospital. He specialises in the complex diagnostics of thyroid conditions like autoimmune thyroiditis and toxic goiter.

• Performs radioiodine therapy – uses radioactive iodine to treat overactive thyroid cells
• Uses 3 Tesla MRI for high-resolution imaging of thyroid tissues
• Provides specialized testing for thyroid function and adrenal adenoma diagnostics
• Trained in internal medicine at the prestigious Cerrahpaşa Faculty of Medicine
• Member of the Turkish Medical Association (TMA)

Dr. Gokhan Yilmaz is a general surgeon at Medipol University Pendik Hospital in Istanbul. He specializes in colorectal, gastrointestinal, and bariatric surgery. Dr. Yilmaz previously served as an Assistant Professor at Istanbul Medipol University. He trained at Okmeydanı Training and Research Hospital, a top Turkish medical institution.

• Performs complex procedures like gastric sleeve, gastric bypass, and gastric balloon.
• Treats conditions including inguinal hernias, pancreatic cysts, and fibrocystic breast disease.
• Conducted surgical research and trained new surgeons as a university faculty member.
• Works at a facility that earned 95.4 out of 96.4 points for healthcare quality.

Dr. Nail Paksoy is an associate professor of medical oncology at Medipol Bahçelievler Hospital. He is board-certified by the European Society for Medical Oncology (ESMO). Dr. Paksoy specializes in lung, breast, and gastrointestinal cancers. He uses modern immunotherapy and targeted therapy protocols. His clinic is JCI-accredited for high safety standards.

• Served as a subinvestigator in over 8 international clinical trials for Roche and Pfizer.
• Authored over 40 research articles in journals indexed by SCI and SSCI.
• Completed dual fellowships in allergy-immunology and medical oncology.
• Treats complex sarcomas and renal cell carcinomas with systemic therapies.

Dr. Ayse Kubat Uzum is an endocrinologist at Biruni University Hospital in Istanbul. She serves as Vice President of the Turkish Society of Endocrinology and Metabolic Diseases. Dr. Uzum specializes in treating diabetes, thyroid nodules, and pituitary gland disorders. She conducts research on metabolic parameters following gastric bypass surgery.

• Earned awards for clinical research at the National Diabetes Congress.
• Treats complex conditions like autoimmune thyroiditis and adrenal adenomas.
• Member of the European Society of Endocrinology and the Endocrine Society.
• Works at Biruni University Hospital, a TEMOS-accredited facility in Turkey.

Dr. Mehmet Fatih Kilicli is the Chief Medical Officer at Medipol Acibadem District Hospital. He specializes in reproductive endocrinology and metabolism. Dr. Kilicli manages endocrine disorders like thyroid cancer, Addison’s disease, and hirsutism. He works at a JCI-accredited facility using the da Vinci robotic system.

• Treats complex conditions including adrenal gland disorders and hyperparathyroidism.
• Performs specialized procedures like radioiodine therapy and thyroidectomy.
• Provides bioidentical hormone replacement therapy (BHRT) and metabolic surgery.
• Offers complex diagnostics like thyroid function tests and premium check-ups.

Dr. Esra Demir is an internal medicine specialist at Medipol Acibadem District Hospital in Istanbul. She serves as a sub-investigator for major international clinical trials on Type 2 diabetes treatments. Dr. Demir specializes in managing irritable bowel syndrome, thyroid diseases, and diabetes lifestyle changes. She works at a JCI-accredited facility equipped with interventional radiology and robotic systems.

• Led research for cardiovascular outcomes of Semaglutide in diabetic patients.
• Assisted in the SCALE Insulin study for overweight patients with Type 2 diabetes.
• Treats metabolic conditions including anemia, vitamin deficiencies, and adrenal adenomas.
• Performs specialized treatments such as intravenous vitamin C therapy.

Dr. Mehmet Ali Gok is an Associate Professor of General Surgery at Medipol University Pendik Hospital. He specializes in laparoscopic hernia repair and metabolic surgery. Dr. Gok has authored over 20 national and international scientific articles on surgical outcomes. He practices at a hospital with 95.4 out of 96.4 healthcare quality points.

• Certified in robotic colorectal surgery and laparoscopic hernia techniques on cadavers.
• Received specialized training from the European Hernia Society in Dubai.
• Served as a former Chief Physician at Silopi State Hospital.
• Editor of several medical books on oncological, hernia, and minimal invasive surgery.

Dr. Piacentini holds a PhD in endocrinology from the Catholic University of the Sacred Heart. She leads complex diagnostics of thyroid disorders at Mater Olbia Hospital.

• Specializes in treating autoimmune thyroiditis and toxic goiter – an overactive thyroid condition
• Conducts clinical research on thyroid and adrenal treatments to improve patient care
• Expert in neuroendocrine tumors and disorders of the parathyroid gland
• Provides pediatric endocrinology check-ups for early detection of growth and hormonal issues
• Member of the metabolic diseases unit focusing on dyslipidemia and bone health

The doctor is a highly qualified specialist in Endocrinology and Metabolic Diseases, holding a medical degree from Hacettepe University. With extensive clinical training, the doctor completed a specialization in Internal Medicine at Ankara University followed by subspecialty training in Endocrinology and Metabolic Diseases at Ufuk University.

The doctor has achieved significant academic and professional milestones, including an Associate Professorship in 2013 and reaching the rank of Professor in Endocrinology and Metabolic Diseases at Istinye University in 2019. Throughout a distinguished career, the doctor has demonstrated a deep commitment to the field, contributing to both clinical practice and medical education.

Dr. Goksun Ayvaz is a professor trained in internal medicine and in endocrinology and metabolism. He earned his MD from Ankara University Faculty of Medicine in 1983. He completed compulsory service in Nevsehir from 1983 to 1985. He worked at the Department of Internal Medicine at Gazi University in 1985 and in 1994. He completed a residency in the United States in 1990 and subspecialty training in endocrinology and metabolism in the United States in 1996.

He served as an internal medicine specialist in the Internal Medicine and Cardiology units at Ankara Numune Hospital and Ankara Bayindir Medical Center. His academic titles are Assistant Professor (1996–1997), Associate Professor (1997), and Professor (2003). In 1997, he conducted research at the Experimental Medicine Laboratory of the Université libre de Bruxelles with Prof. W. J. Malaisse on pancreatic islet isolation and static incubation.

Medical interests include Graves disease (toxic goiter), Graves orbitopathy, thyroid disease (nodules and thyroid cancer), diabetes mellitus (insulin resistance and latent diabetes), obesity, and gonadal and pituitary diseases.