Doctors in Istanbul, Turkey — Page 19

The doctor is a highly experienced Ophthalmology Specialist currently practicing at Memorial Şişli Hospital and a private clinic in Istanbul. With a career spanning several years in prestigious medical institutions, the doctor has previously served as an Ophthalmology Specialist at Liv Hospital Ulus.

The doctor completed medical training at the Azerbaijan Medical University and furthered clinical expertise through specialized education at Selcuk University Faculty of Medicine. The professional focus remains on delivering comprehensive eye care and diagnostic services within the field of ophthalmology.

Dr. Omer Kamil Dogan is a senior ophthalmologist at Hisar Hospital Intercontinental in Istanbul. He specializes in cornea transplantation and corneal diseases. Dr. Dogan currently heads the Ophthalmology Department at Hisar Hospital. He holds a professorship from Selcuk University Faculty of Medicine.

• Authored over 170 scientific publications and 3 book chapters.
• Treats complex conditions including glaucoma and cataracts.
• Performs specialized corneal and conjunctival surgeries.
• Practices at a JCI-accredited hospital serving 500,000 patients annually.

Dr. Koray Tuncer is a gastroenterology specialist at Memorial Şişli Hospital in Istanbul. He has contributed to medical science with 18 professional publications. Dr. Tuncer translates clinical findings into practice through 49 national and international presentations. He works at a JCI-accredited facility known for world-class patient safety standards.

• Completed gastroenterology fellowships at Haydarpaşa Numune Hospital and Ege University.
• Maintains membership in the Turkish Association for the Study of the Liver.
• Completed clinical internships at Kantonsspital Aarau and Kantonsspital Münsterlingen in Switzerland.
• Is an active member of the Turkish Society of Gastroenterology.

Op. Dr. Yalçın İşcan is an ophthalmologist. He graduated from Istanbul University in 2005. He completed his ophthalmology residency at Bakırköy Dr. Sadi Konuk Training and Research Hospital in 2010. He has more than 15 years of specialist experience. He performed thousands of eye surgeries at Batman Regional Hospital between 2011 and 2015. He worked at Private Batman Dünya Hospital from 2015 to 2025.

At Dünya Hospital, he provided care in cataract surgery, corneal transplantation, refractive procedures (PRK, LASIK, SMILE, phakic IOL), strabismus, oculoplastics, lacrimal surgery, pterygium, and keratoconus treatments (CXL, ICRS). He helped develop the unit into a regional referral center. Since 2023, he has also practiced two days a week at Pendik Medical Park and Kudret Göz Istanbul. Since 2020, he has been active in R&D. He founded a technopark start-up and built an AI-based red-eye decision support system. He continues to develop ophthalmic software and devices. He has several publications.

Specialist Dr. Nurana Güller earned her medical degree and completed nephrology training at the Cerrahpaşa (Çapa) Faculty of Medicine, Istanbul University, a major academic center in Türkiye. She trained in a high-volume tertiary referral center. She contributed to multidisciplinary care for acute and chronic kidney diseases.

Her practice focuses on early CKD detection. She aims to slow progression and prevent complications. She has extensive experience in AKI management. She provides stage-specific treatment and long-term follow-up for chronic kidney failure. Her interests include hypertension, diabetic nephropathy, glomerulonephritis, UTIs, proteinuria, kidney stones, cystic diseases, dialysis, and transplantation.

Dr. Güller practices at İAÜ Medical Park. She follows evidence-based, ethical, and patient-safety principles.

Dr. Umit Tuncel is an ENT specialist at Lokman Hekim Istanbul Hospital. He spent 15 years in clinic leadership roles across three major Turkish medical centers. Dr. Tuncel specializes in head and neck cancers and sleep apnea surgery. He treats both adults and children for ear, nose, and throat conditions.

• Former Head of Clinic at Ankara Oncology Training and Research Hospital.
• Focuses on rhinoplasty and pediatric ENT diseases.
• Works at JCI-accredited Lokman Hekim Istanbul Hospital.
• Practices at a facility holding ISO 9001 quality management certification.

The doctor is an Associate Professor with extensive clinical training and academic experience. Medical education was completed at Gazi University Faculty of Medicine, followed by specialized training as an Assistant Physician at Şişli Hamidiye Etfal Education and Research Hospital. Further expertise was gained through minor specialization training at the T.R. Istanbul Science University European Florence Nightingale Hospital.

With a career spanning over two decades, the doctor has demonstrated a commitment to medical excellence and academic advancement in the field, currently serving in a senior clinical and educational capacity in Istanbul.

Prof. Dr. Şule Karadayı is a Professor and Thoracic Surgery Specialist. She earned her MD from Ankara University in 1999 and completed her residency in 2004. Her international training includes an observership with Prof. Ramon Rami Porta in Barcelona in 2005. She received an ESTS Travel Fellowship in Vienna in 2009. She joined the Mevlana Exchange Program in Azerbaijan in 2015. She scored 76.25 on the ÜDS English exam in 2006. She is a member of the European Society of Thoracic Surgeons and several Turkish thoracic societies.

Her clinical focus includes lung cancer surgery. She performs Da Vinci robotic and VATS/minimally invasive thoracic procedures. She treats pulmonary nodules and masses. She also performs mediastinal, pleural, and chest wall (pectus) surgery. She offers interventional bronchoscopy, including endobronchial valve therapy for advanced emphysema and COPD. She serves as an assistant principal investigator on projects in wound healing and mediastinal lymph node evaluation. As of 2026, she sees patients at Hisar Hospital Intercontinental.

Dr. Volkan Seneger is a psychiatrist at Lokman Hekim Istanbul Hospital. He treats a variety of mental health conditions through psychotherapy. Dr. Seneger completed his medical degree at Dokuz Eylül University. He later finished specialized psychiatry training at Göztepe Training and Research Hospital.

• Member of the Turkish Psychiatry Association and the Turkish Medical Association.
• Practices at a JCI-accredited medical center in Istanbul.
• Provides care at a facility that treats 10,000+ patients every year.
• Treats patients at a hospital certified by TÜV NORD CERT.

Dr. Abdullah Yakupoglu is an interventional radiologist at Memorial Şişli Hospital in Istanbul. He specializes in interventional oncology. Dr. Yakupoglu has held several leadership roles at major Turkish medical centers. He works at a JCI-accredited facility known for its high success rates in complex procedures.

• Served as the Interventional Radiology Manager at Acıbadem Health Group.
• Former Interventional Radiology Manager at both American Hospital and German Hospital.
• Focuses on minimally invasive techniques for treating oncological conditions.
• Practices at the first Turkish hospital to earn Joint Commission International accreditation.

Dr. Omer Necip Aytug is a gastrointestinal surgeon and gastroenterologist at Hisar Hospital Intercontinental. He has attained the rank of Professor and specializes in complex digestive tract procedures. Dr. Aytug treats conditions like Crohn's disease, ulcerative colitis, and Barrett's esophagus. He works at a JCI-accredited facility that serves over 500,000 patients every year.

• Performs stomach, gallbladder, and small intestine resections.
• Expert in laparoscopic anti-reflux surgery and duodenal polyp removal.
• Authored numerous papers and book chapters on gastroenterology.
• Conducts advanced diagnostics including capsule endoscopy and colonoscopy with biopsy.

Dr. Yasar Colak is a Professor of Gastroenterology at Memorial Şişli Hospital in Istanbul. He has deep expertise in liver transplantation and therapeutic endoscopy. Dr. Colak served as an invited lecturer at the Cleveland Clinic Florida. He also worked in the Presidential Health Coordinatorate in Turkey.

• Specializes in liver transplantation and digestive tract disorders.
• Completed clinical training at the Cleveland Clinic Department of Endoscopic Applications.
• Treats patients at Memorial Şişli, the first JCI-accredited hospital in Turkey.
• Formerly served as an Associate Professor at Istanbul Civilization University.

Dr. Nesrin Sariman is a pulmonology and sleep medicine specialist at Hisar Hospital Intercontinental. She treats asthma, COPD, and lung cancer. Dr. Sariman is a bronchoscopy specialist. She participated in a multicenter international clinical study on asthma. Dr. Sariman holds certifications in functional medicine and phytotherapy from Medipol University.

• Served as Assistant Dean at Maltepe University from 2019 to 2022.
• Treats sleep disorders including obstructive sleep apnea syndrome.
• Maintains memberships in several national and international medical associations.
• Works at Hisar Hospital Intercontinental, a JCI-accredited facility in Istanbul.

Dr. Gulsah Ozturk Ozluk is a neurosurgeon at Memorial Şişli Hospital in Istanbul. She completed her specialized medical training at Johns Hopkins University in the United States. Dr. Ozluk later gained clinical experience at Oregon Health and Science University. She treats patients at a JCI-accredited facility known for its high organ transplant success rates.

• Completed neurosurgery specialization training at the prestigious Johns Hopkins University.
• Obtained clinical training at Oregon Health and Science University.
• Works at Memorial Şişli Hospital, the first hospital in Turkey to earn JCI accreditation.
• Previously served as a neurosurgery specialist at Acibadem Health Group.

Dr. Yasemin Ongun is an ENT and Head & Neck Surgery specialist at Hisar Hospital Intercontinental. She focuses on rhinoplasty, endoscopic sinus surgery, and pediatric procedures. Dr. Ongun completed specialized training in Otology-Neurotology and Audiology at Hacettepe University. She serves at a JCI-accredited medical center in Istanbul.

• Performs endoscopic endonasal dacryocystorhinostomy for tear duct obstructions.
• Treat pediatric conditions including tonsil, adenoid, and ear tube surgeries.
• Specializes in snoring and sleep apnea surgical treatments.
• Former deputy chief physician with years of experience in private healthcare.

Dr. Suveyda Gozukucuk is an infectious disease specialist at Hisar Hospital Intercontinental in Istanbul. She focuses on hospital-acquired infections and sterilization protocols. Dr. Gozukucuk also treats viral hepatitis and hepatitis C cases. She practices at a JCI-accredited facility recognized for high safety standards.

• Specializes in infection management for immunocompromised patients.
• Expertise in hospital sterilization and disinfection procedures.
• Completed medical specialization at Erciyes University Faculty of Medicine.
• Treats patients at a hospital serving over 500,000 people annually.

Dr. Ahmet Nevzat Nayir is a pediatric nephrology specialist at Memorial Şişli Hospital in Istanbul. He serves as a Professor at the Istanbul Faculty of Medicine. Dr. Nayir specializes in treating kidney and urinary tract conditions in children. He works at the first hospital in Turkey to earn JCI accreditation for safety.

• Holds a professorship in the Division of Children's Nephrology.
• Treats complex pediatric kidney diseases at a leading multidisciplinary medical center.
• Practices at a facility with a 90% success rate in organ transplantation.
• Maintains an academic role alongside his clinical practice at Memorial Şişli.

Dr. Elif Evrim Ekin is a radiologist at the JCI-accredited Hisar Hospital Intercontinental in Istanbul. She specializes in musculoskeletal radiology and breast imaging. Dr. Ekin serves as the Education Coordinator at the Radiology Education Clinic. She has published extensive research in international journals indexed in SCI and SCI-E.

• Obtained her Medical Doctor title from Ege University Faculty of Medicine.
• Completed specialized radiology training at Izmir Bozyaka Training and Research Hospital.
• Maintains a focus on musculoskeletal diagnostics and breast health imaging.
• Completed the Fundamentals of Good Clinical Practice training.
• Works at a facility that treats over 500,000 patients annually.

Dr. Mustafa Saglam is the Head of the Cardiology Department at Hisar Hospital Intercontinental. He is a cardiologist and vascular surgeon specializing in aortic aneurysm repair and heart valve procedures. Dr. Saglam trained at Marmara University and Kosuyolu Heart Teaching and Research Hospital. He works at a JCI-accredited facility in Istanbul.

• Performs endovascular repair of abdominal aortic aneurysms.
• Treats coronary artery disease, arrhythmia, and hypertension.
• Proficient in balloon valvuloplasty and temporary pacemaker implantation.
• Conducts diagnostic imaging including stress tests and ambulatory cardiac monitoring.

The doctor is a highly experienced Neurology Specialist with an extensive clinical background spanning over 15 years in major medical institutions across Türkiye. Throughout a distinguished career, the doctor has provided expert neurological care at several prominent healthcare facilities, including Memorial Sisli Hospital and the Private Sisli Florence Nightingale Hospital.

The doctor's professional journey includes significant clinical service at Sakarya Yenikent State Hospital and Ankara Occupational Diseases Hospital. With a consistent focus on neurology, the doctor has developed deep expertise in diagnosing and managing complex neurological conditions, maintaining a commitment to high-quality patient care and clinical excellence.