أفضل الأطباء في العالم — صفحة 23

Dr. Hilmi Bayırlı is a pediatrician. He focuses on neonatal care, premature infants, newborn follow-up, pediatric emergencies, and childhood infectious diseases.

He earned his MD from Marmara University Faculty of Medicine. He completed his pediatrics residency at Akdeniz University Faculty of Medicine. He fulfilled compulsory public service at Van Training and Research Hospital. He now practices at Hisar Hospital Intercontinental in Istanbul. His services include pediatric and neonatal care, close monitoring of premature infants, developmental follow-up, and preventive care.

Dr. Bingur Sonmez is the Head of Cardiovascular Surgery at Memorial Şişli Hospital. He specializes in heart surgery and minimally invasive techniques. Dr. Sonmez completed his cardiac surgical training at Istanbul University. He later served as Chief Resident of Cardiovascular Surgery at St. Thomas Hospital in London.

• Leads the cardiac surgery department at a JCI-accredited medical center.
• Former Head of Surgical Sciences at Florence Nightingale Hospital.
• Treats patients at a facility with a 90% organ transplant success rate.
• Completed major international residency training in the United Kingdom.

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. 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. Yunus Nas, MD, is an Assistant Professor, Pediatrician, and Infectious Diseases Specialist. He earned his medical degree at 19 Mayıs University Faculty of Medicine and completed his Infectious Diseases training there. He then completed a second specialization in Pediatrics at Zeynep Kamil Gynecology and Pediatrics Training and Research Hospital in Istanbul.

His practice focuses on pediatric infections and respiratory diseases. He treats childhood infections, chronic or recurrent cough, bronchitis, and bronchiolitis. He also manages tuberculosis and allergic diseases. He has experience in neonatal intensive care and pediatric emergency care. He provides preventive care and monitors growth and nutrition.

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. 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. 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. 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. 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. Gursel Remzi Soybir is a general surgery specialist at Memorial Etiler Medical Center in Istanbul. He specializes in breast and thyroid surgery. Dr. Soybir previously served as the Head of the General Surgery Department at Namuk Kemal University. He treats patients at Memorial Şişli Hospital, the first JCI-accredited facility in Turkey.

• Former Assistant Director of the Surgery Clinic at Haseki Hospital.
• He served as Head Assistant at the Taksim Hospital Surgery Clinic.
• Member of the National Surgery Society and the Izmir Breast Disease Association.
• Is a member of the Turkey Endoscopic–Laparoscopic Surgery Association.

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.

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.

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 graduated from Ege University Faculty of Dentistry, achieving the second place in the faculty. Actively engaged in all fields of Dentistry, the doctor continually advances professionally by participating in various courses, trainings, and congresses.

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. 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. Onur Telli is a urologist and pediatric specialist at Memorial Şişli Hospital. He focuses on diagnosing and treating congenital urogenital anomalies. He has received awards from the European Association of Urology and the European Society for Pediatric Urology. Dr. Telli works at a JCI-accredited facility in Istanbul.

• Published over 50 international articles and contributed to three pediatric urology books.
• Conducted population-based research on nocturia in women of reproductive age.
• Member of the American Academy of Pediatrics Section on Urology.
• Member of the Turkish Association of Pediatric Urology.