Doctors in Turkey — Page 22

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. 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.

Assoc. Prof. Dr. Servet İğrek is an Orthopaedics and Traumatology specialist trained at Marmara University. He practices at Diyarbakır Selahaddin Eyyubi State Hospital and Kartal Dr. Lütfi Kırdar City Hospital.

He focuses on sports injuries and arthroscopic surgery. He has extensive experience in knee, shoulder, hip and ankle arthroscopy; ligament and meniscus surgery; shoulder instability; cartilage injuries; arthroplasty; and orthopaedic trauma.

He completed a SECEC & ESSKA‑approved Sports Surgery Fellowship Program. He has authored or co‑authored many peer‑reviewed publications, book chapters and congress presentations. He teaches in national and international arthroscopy training programs. He is an active member of the Turkish Orthopaedics and Traumatology Association, TUSYAD, the Turkish Shoulder and Elbow Surgery Association, the Hip and Knee Arthroplasty Association, and SICOT.

Dr. Naci Karaagac is a neurology specialist at Memorial Şişli Hospital in Istanbul. He has maintained a clinical presence at Cerrahpaşa Medical Faculty since 1982. Dr. Karaagac treats patients at one of Turkey’s most established private medical centers. He works within a JCI-accredited facility that holds world-class safety standards.

• Practices at Memorial Şişli Hospital, the first JCI-accredited center in Turkey.
• Served as a neurology specialist at the American Hospital and German Hospital.
• Completed medical service as a specialist at Maslak Military Hospital.
• Treats a variety of neurological conditions within a multidisciplinary hospital setting.

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. Oya Ercan is a pediatric endocrinologist at Memorial Şişli Hospital in Istanbul. She founded the Adolescent Science Branch at Cerrahpaşa Medical Faculty. Dr. Ercan specializes in hormonal disorders in children and teenagers. She previously served as visiting Chief Resident at Middlesex Hospital in London.

• Current Head of the Department of Pediatric Endocrinology at Cerrahpaşa Medical Faculty.
• Treats a wide variety of pediatric endocrine and cellular conditions.
• Practices at JCI-accredited Memorial Şişli Hospital, a leading center for specialized care.
• Holds nearly four decades of clinical experience in Turkish and British medical systems.

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. 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.

The doctor has a background in Nutrition and Dietetics, having completed a bachelor's degree from Gumushane University. They have professional experience working in various health and wellness centers, including Diettherapy Nutrition and Diet Counseling Center, Mestetik Aesthetics and Beauty Center, and Estetica Beauty and Aesthetic Center. Additionally, the doctor has contributed to fitness and dietary services at Academy Fitness and Zafiran Restaurant, focusing on diet therapy and nutritional counseling.

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.

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. 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. 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. 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.

Dr. Servet Izci is a cardiologist with 24 years of clinical practice. He earned his MD at Fırat University (1996–2002). He completed a cardiology residency at Kartal Koşuyolu Training and Research Hospital (2010–2015). He worked as a consultant cardiologist at Kartal Koşuyolu (2015–2025) and Pendik Medical Park (2025–2026). He now practices at Lokman Hekim Istanbul Hospital (2026–present). He is a member of the Istanbul Medical Chamber and the Turkish Society of Cardiology.

Clinical focus: coronary angiography and stenting via radial access. He also performs peripheral and carotid artery interventions. He manages arrhythmias, hypertension, hyperlipidemia, and heart failure. Scientific output: three publications. Topics include catestatin as a predictor of mortality in acute pulmonary embolism, ECG changes during alcohol withdrawal, and the increased risk of high‑grade AV block in non‑O blood types.

Dr. Gokhan Ertas is a Professor of Cardiology at Memorial Şişli Hospital in Istanbul. He has published 52 articles in international peer-reviewed journals. Dr. Ertas treats complex conditions like atrial fibrillation, coronary artery disease, and heart valve disorders. He practices at a JCI-accredited facility known for its high success rates in cardiovascular care.

• Member of the European Society of Cardiology and Turkish Society of Cardiology.
• Performs heart valve replacement and coronary stenting.
• Completed a research fellowship at the Thorax Center in the Netherlands.
• Contributed to three medical books on cardiovascular medicine.

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. Nurettin Demirkol is an internal medicine specialist at Hisar Hospital Intercontinental in Istanbul. He focus on the management of hypertension, diabetes, and thyroid diseases. Dr. Demirkol holds a master’s degree in Health Management from Okan University. He has attended over 20 national medical congresses to date.

• Specializes in treating chronic conditions like hyperlipidemia and vascular problems.
• Performs etiology and diagnosis studies for complex medical cases.
• Completed residency training in internal medicine at Istanbul University.
• Works at a JCI-accredited hospital that treats 500,000+ patients annually.