Thyroid function tests (including T3, T4, TSH) Doctors in Turkey — Page 2

Dr. Tulay Omma is an Associate Professor and endocrinologist at Lokman Hekim Akay Hospital. She won the Best Oral Presentation award for her research on Graves’ Disease. Dr. Omma treats complex thyroid disorders, type 2 diabetes, and adrenal adenomas. She is an active member of the European Society of Endocrinology.

• Published 20+ articles in peer-reviewed journals on metabolic disorders like PCOS.
• Certified in thyroid ultrasonography and clinical trial management.
• Awarded for clinical research on hypoparathyroidism in Turkey.
• Treats patients at a private hospital in Ankara serving 10,000 people annually.

Dr. Ferit Çelik is a gastroenterologist at Medicalpoint International Hospital in İzmir. He is an associate professor with deep focus on liver and digestive system diseases. Dr. Çelik is a member of the Turkish Gastroenterology Association ERCP working group. He practices at a JCI-accredited facility known for high surgical standards.

• Performs advanced endoscopic procedures including EMR, ERCP, and peroral cholangioscopy.
• Treats complex conditions like Crohn's disease, ulcerative colitis, and pancreatitis.
• Provides endoscopic obesity treatments such as intragastric Botox and balloons.
• Member of the Turkish Liver Research Association.

Dr. Ali Saklamaz is a specialist endocrinologist at Medicalpoint International Hospital in İzmir. He specializes in the treatment of diabetes, thyroid conditions, and pituitary diseases. He focuses on endocrine health for patients aged 15 and older. Dr. Saklamaz works at a JCI-accredited facility recognized for high safety standards.

• Member of the Turkish Endocrinology and Metabolism Association.
• Treats metabolic conditions including osteoporosis and hirsutism.
• Completed medical residency and endocrine specialization at Dokuz Eylül University.
• Part of a medical team serving patients from the US, UK, and Australia.

Dr. Erkan Karatas is an ENT and maxillofacial surgeon at Atlas University Hospital in Istanbul. He specializes in skull base surgery and cochlear implant placement. Dr. Karatas has contributed to over 100 medical articles. He completed specialized training at prestigious centers in the US, Germany, Italy, and Switzerland.

• Member of 11 professional associations, including the American Academy of Otolaryngology.
• Expert in complex surgeries for thyroid, tongue, and larynx cancers.
• Performs specialized procedures like stapedectomy, tympanoplasty, and orthognathic surgery.
• Works at an AACI-accredited hospital that treats 565,000 patients annually.

The doctor is a highly specialized surgeon with extensive expertise in oncological and metabolic procedures. The clinical focus encompasses a wide range of cancer surgeries, including complex interventions for pancreatic, bile duct, gastric, colon, and thyroid malignancies, as well as specialized breast surgery.

In addition to oncology, the doctor is proficient in bariatric and metabolic surgery, providing advanced surgical solutions for obesity and diabetes management. The practice is dedicated to delivering comprehensive surgical care, utilizing evidence-based techniques to address both malignant conditions and metabolic health disorders.

Dr. Mucahit Gur is an internal medicine specialist and endocrinologist at Emsey Hospital in Istanbul. He treats chronic conditions including diabetes mellitus, hypertension, and thyroid diseases. Dr. Gur has provided clinical care since graduating from Cerrahpasa Faculty of Medicine. He works at a JCI-accredited facility known for its high quality standards.

• Treats endocrine disorders like autoimmune thyroiditis and adrenal adenoma.
• Performs radioiodine therapy for thyroid conditions and toxic goiter.
• Provides specialized care for metabolic issues including obesity and hyperlipidemia.
• Conducts complex thyroid diagnostics including ultrasound and function tests.

Dr. Zulfu Sertkaya is an associate professor and andrologist at Andro Expertise in Istanbul. He holds the FEBU title from the European Association of Urology. Dr. Sertkaya focuses on male health, sexual function, and aesthetic urological procedures. He treats patients at his clinic and performs surgeries at affiliated hospitals.

• Earned Fellow of the European Board of Urology (FEBU) status.
• Specialize in andrology, male sexual health, and aesthetic urology.
• Performs penile implant surgery and varicocelectomy for infertility.
• Works at a clinic accredited by the Turkish Medical Association.

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.

The doctor completed specialization training in Radiation Oncology at Marmara University Faculty of Medicine from 2012 to 2016. Prior to this, the doctor completed an undergraduate degree in Medicine, taught in English, at the same institution from 2004 to 2011. The doctor has a strong foundation in medical education, beginning with high school education at Sixteen Numbered Shirvan School in Azerbaijan from 1998 to 2004.

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 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. Gul Alco is a radiation oncologist and Professor at Medipol Acibadem District Hospital in Istanbul. She excels in treating complex cases, including stage 4 lung and liver cancers. Dr. Alco utilizes the CyberKnife and Da Vinci robotic systems for precise tumor targeting. She works at a JCI-accredited facility known for its high safety standards.

• Specializes in brachytherapy and high-intensity focused ultrasound ablation (HIFU).
• Performs radiofrequency ablation and proton-beam therapy for various malignancies.
• Treats pancreatic, breast, ovarian, and brain cancers using targeted radiation.
• Expert in nuclear medicine diagnostics, including PET-CT with Gallium 68.

Dr. Didem Karacetin is a radiation oncologist at Biruni University Hospital in Istanbul. She completed clinical training at the Princess Margaret Hospital in Toronto. Dr. Karacetin is a former Head of the Department of Radiation Oncology at Health Sciences University. She specializes in intraoperative radiotherapy for breast cancer and brachytherapy for gynecological tumors.

• Holds a Master’s degree in Phytotherapy from Istanbul University.
• Certified in Hydrogel SpaceOAR applications for prostate cancer treatment.
• Treats lung, brain, and gastrointestinal cancers using targeted radiation.
• Practices at Biruni University Hospital, which holds TEMOS and ISO quality certifications.

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. Atakan Topcu is a medical oncologist at Medipol Acibadem District Hospital in Istanbul. He specializes in treating solid tumors including lung, breast, and colorectal cancers. Dr. Topcu is an Associate Professor with over 50 peer-reviewed scientific publications. He sits on the Editorial Board of the medical journal BMC Cancer.

• Expertise in immunotherapy, targeted therapies, and geriatric oncology care.
• Treats cancer-related malnutrition, cachexia, and sarcopenia.
• Maintains active membership in the European Society for Medical Oncology (ESMO).
• Works at a JCI-accredited hospital specializing in advanced oncology treatments.

Dr. Ilker Tolga Özgen is a professor of pediatric endocrinology at Biruni University Hospital in Istanbul. He won multiple first prizes for research on Turner syndrome and precocious puberty. Dr. Özgen treats growth retardation, diabetes, and thyroid disorders. He serves patients at a TEMOS-accredited university hospital in a modern campus.

• Specializes in puberty problems and menstrual irregularities in adolescent girls.
• Treats metabolic issues including obesity and adrenal gland disorders.
• Clinical focus includes pituitary disorders and genital abnormalities in boys.
• Member of the Pediatric Endocrinology and Diabetes Association.

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.

Prof. Dr. Gül Alço is a radiation oncologist with about 27 years of experience. She treats breast, lung, prostate, gastrointestinal, gynecologic, central nervous system, head and neck, soft tissue, and bone cancers with radiotherapy.

Her expertise includes adaptive radiotherapy and radiosurgery. She uses advanced radiation techniques to provide personalized, evidence-based care in a multidisciplinary, patient-centered setting.

Assoc. Prof. Orhan Ünal Zorba, MD, is a urologist focused on andrology and endourology. He has about 25 years of experience. He currently sees patients at Private TUSA Hospital. He started there on 8 June 2026.

His academic work includes 29 international and 13 national publications and 7 book chapters. He has given at least 9 presentations at international congresses. His studies have been presented at EAU, ESSM, ICS, and EULIS meetings. He served as Assistant and Associate Professor of Urology from 2009 to 2016. He is a member of the Istanbul Medical Chamber, the Turkish Association of Urology, the Turkish Society of Andrology, and the Eastern Black Sea Association of Urologists.

Key areas include male infertility (micro‑TESE; outcomes in 191 patients with non‑obstructive azoospermia), microsurgical varicocele repair, prostate surgery (HoLEP, TURP), endoscopic stone surgery (URS, PCNL), and uro‑oncology. He speaks English.

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.