Page 6 - Les Meilleurs doctors à Istanbul - TOP-118 des

Dyt. Yaren Nur Güngör is a dietitian. She graduated from the Faculty of Nutrition and Dietetics. She provides evidence-based, personalized nutrition counseling in English. She designs tailored programs for health promotion, disease management, and weight control.

Her clinical focus includes diet plans for diabetes, heart disease, thyroid disorders, and other metabolic issues. She also guides weight loss and gain and improves body composition. She offers sports nutrition and nutrition care for children and teens. She provides preventive nutrition with lifestyle counseling. Her approach is patient-centered and motivating.

Dr. Ozlem Yogurtcu is a general surgeon with extensive experience. She graduated from Dokuz Eylul University Faculty of Medicine. She completed her general surgery residency at Haseki Training and Research Hospital, 1st Surgical Clinic. She is fluent in English.

Her practice includes gastrointestinal surgery (gallbladder disease, hernias, appendicitis, other gastrointestinal conditions). It also includes endocrine surgery (thyroid, parathyroid, adrenal) and breast surgery (benign and malignant conditions). She treats emergency and trauma cases. She performs minimally invasive laparoscopic procedures.

She is known for precise surgery and a patient-centered approach.

Dr Erdem Gelegen is an ophthalmologist with over 20 years of experience in cataract, refractive, retinal, glaucoma, and corneal/anterior segment care. He performs phacoemulsification with premium intraocular lenses. He provides laser vision correction for myopia, hyperopia, and astigmatism. He treats diabetic retinopathy, age-related macular degeneration, retinal detachment, keratoconus, and anterior segment disorders, including corneal transplants.

He graduated from Istanbul University Cerrahpaşa Faculty of Medicine in 1999. He completed his ophthalmology residency at Okmeydanı Training and Research Hospital in 2004. He is known for precise microsurgery and the use of advanced ophthalmic technologies.

Dr. Murat Ulusan is a specialist in otolaryngology and head and neck surgery. He works at Memorial Bahçelievler Hospital (2018–present) and at Istanbul University, Istanbul Faculty of Medicine (2010–present). He previously worked at Diyarbakır State Hospital (2009–2010) and Erzurum Regional Training and Research Hospital (2008–2009). He completed his ENT residency at Istanbul University (2003–2008). He received his MD (English) from Marmara University.

Achievements include the EORL Congress Best Poster Award (2016) and an observer program at Johns Hopkins Otolaryngology (2012, USA). His research includes 17 international and 15 national peer‑reviewed articles, 29 posters, and three TÜBİTAK projects. He has translated two books and written three book chapters. He serves as an editor for one national journal. He is a member of the Turkish Society of Otolaryngology.

Dr. Koray Tuncer is a gastroenterology specialist at Memorial Şişli Hospital in Istanbul. He has worked there since 2009. He previously served at Private Yunus Emre Hospital from 2003 to 2009.

He earned his MD from Istanbul University, Istanbul Faculty of Medicine (1982–1988). He completed an Internal Medicine residency at SSK Okmeydanı Hospital (1989–1993). He served as Chief Assistant in Internal Medicine at Kartal Training and Research Hospital (1995–1998). He completed gastroenterology fellowships at Haydarpaşa Numune Hospital (1998–1999) and Ege University (1999–2003).

Professional memberships include the Turkish Society of Gastroenterology, the Turkish Association for the Study of the Liver, and the Turkish Medical Association.

He has 5 international and 13 national publications. He has delivered 8 international and 41 national presentations. His additional training includes summer internships at Kantonsspital Aarau (Anesthesiology, 1985) and Kantonsspital Münsterlingen (Internal Medicine, 1987). He regularly attends postgraduate gastroenterology and hepatology courses and national congresses.

Dr. Ibrahim Cansaran Tanıdır is a pediatric cardiologist at Memorial Ataşehir Hospital. He co-founded the Pediatric Cardiology Department at Başakşehir Çam & Sakura City Hospital. He led its cardiac catheterization laboratories. He has been a professor of pediatric cardiology since 2022.

He has over 100 international and over 50 national publications. His work has more than 1,200 citations, with an h-index of 16. He has delivered over 100 international and over 700 national presentations. He has received six national and one international award. He ranked second in Turkey in the 2017 National Pediatric Cardiology Board Exam. He served as AEPC National Representative (2011–2014) and as Vice President of the Interventional Cardiology Working Group (2019–2024). His training includes Arkansas Children’s (PICU), Fuwai Heart Center (angiography), and LVAD training in 2023. Since 2018, he has performed more than 250 therapeutic angiography procedures in Kosovo, Libya, Mali, Uganda, and Kenya.

Op. Dr. Berna Buse Kobal is an obstetrics and gynecology specialist. She graduated from Acıbadem University School of Medicine in 2017. She completed clinical studies in obstetrics and gynecology at the University of Louisville in the United States. She finished her specialty training at the Health Sciences University Ümraniye Training and Research Hospital.

She performs gynecologic, laparoscopic, urogynecologic, and genital aesthetic procedures. These include V-NOTES (scarless) hysterectomy and cyst removal, hysteroscopic surgery, laparoscopy, tubal ligation, urinary incontinence treatments, HPV care, endometriosis surgery, and bioequivalent hormone therapies.

Dr. Sema Karakas specializes in gynecologic oncology surgery. She also performs minimally invasive gynecologic surgery, including laparoscopy and V-NOTES (scarless) techniques.

She offers V-NOTES hysterectomy and cyst removal. She performs surgery for uterine cancer and tubal ligation. She provides a full range of laparoscopic gynecologic procedures. She treats urinary incontinence with medical, laser, or surgical options and pelvic floor physiotherapy. She manages HPV with diagnosis, treatment, and follow-up. She performs colposcopy, LEEP, and conization. She provides endometriosis care and surgery. She treats polyps and uterine septum with hysteroscopy. She offers perimenopausal and menopausal care and bioidentical hormone therapy.

Dr. Koray Karabulut is a general surgery specialist at Memorial Göztepe Hospital (2025–). His focus is HPB surgery, liver transplantation, and robotic or minimally invasive surgery. He was the responsible specialist at the Fırat University Liver Transplant Center (2014–2018). He then worked as an organ transplantation specialist at Memorial Şişli (2018–2019). In 2024, he worked in robotic HPB surgery at Ageo Medical Center.

Training highlights include minimally invasive HPB at IRCAD (2015). He completed a research fellowship at the Cleveland Clinic on liver tumors and laparoscopic‑robotic surgery (2010–2011). He also completed liver transplant training at the İnönü University Institute (2011–2012). He earned his MD and finished his general surgery residency at Istanbul University. He became an associate professor in 2013. His academic work includes peer‑reviewed papers in J Gastrointest Surg, Surgery, and Surg Endosc. He has written surgical book chapters. He is a guideline author for the Turkish Surgical Society and served on editorial boards (2011–2016).

Dr. Mehmet Altug Tuncer is a Cardiovascular Surgery Specialist at Memorial Göztepe Hospital (2025–present). He has been Head of Cardiovascular Surgery at Istanbul University Faculty of Medicine since 2018. He has served as an Instructor at Kartal Koşuyolu since 2013. He directed the Aortic Surgery Center there from 2016 to 2018.

He became Professor in 2018 at Istanbul Okan University. He was appointed Associate Professor in 2013. He earned his MD at Istanbul University Cerrahpaşa. He completed cardiovascular surgery training at Koşuyolu. His work includes 38 SCI/SCI-E papers, 19 national articles, and one book.

He is Chairman of the Aortic Surgery Working Group of the Turkish Society of Cardiovascular Surgery. He is a member of the Turkish Medical Association. He also belongs to the Society of Minimally Invasive and Robotic Cardiovascular Surgery. He is a member of the Turkish Society of Clinical Microbiology and Infectious Diseases.

Dr. Nezih Onur Ermerak is a Thoracic Surgery Specialist at Memorial Göztepe Hospital (2025–). He previously worked in the Department of Thoracic Surgery at Marmara University (2009–2025). He also served at Kilis State Hospital during compulsory service and war surgery (2015–2017).

He completed a Thoracic Surgery fellowship at Washington University in St. Louis (2019–2020). He then completed a Thoracic & Esophageal Surgery fellowship at Dalhousie University (2020–2022). He held a visiting fellowship at Universitätsspital Bern (2011–2012). He finished his residency at Marmara University (2009–2015).

He is President of the Turkish Society of Chest Wall Deformities and Pectus. He served on the Organizing Committee of CWIG 2023 in Istanbul. He completed MI-STARs (2020), MITS (2019), CITI (2024), and KOÇ Laboratory Animal Use certification (2025). He attended the AATS 103rd meeting (2023) and European Thoracic Surgery conferences (2024 and 2025).

Dr. Nurullah Bulut is an ophthalmology specialist at Memorial Göztepe (2025–) and Memorial Bahçelievler (2023–). He previously worked at the University of Health Sciences Kartal Dr. Lütfi Kırdar as a specialist (2013–2022) and as an associate professor (2022–2023). He received the title of associate professor (Doçent) in 2022.

He has 26 peer-reviewed articles, 29 conference papers, one book chapter, and a patent application for an intraocular lens design. He is a member of EURETINA YOURS, the Turkish Medical Association, and the Turkish Ophthalmological Society.

Training: ESCRS PRK/LASEK/Epi-LASIK/LASIK course (2011); ocular electrophysiology, Germany (2011); vitreoretinal surgery observer program, University of Chicago (2014). Education: MD, Atatürk University (2008). Ophthalmology specialization, Kartal Dr. Lütfi Kırdar (2009–2013).

Dr. Salih Taskin is a specialist in obstetrics and gynecology. He also focuses on gynecologic oncology and minimally invasive surgery. He works at Memorial Göztepe Hospital in Istanbul (2025–present). He previously served in Gynecologic Oncology (2014–2025) and in Obstetrics and Gynecology (2002–2025) at the Ankara University Faculty of Medicine.

Accreditations include ESGO Certified Specialist in Gynecologic Oncology (2018) and a fellowship in robotic surgery and gynecologic oncology at McGill University (2014). He completed an OB‑GYN residency at Ankara University and earned his MD at Çukurova University (both 1995–2001).

He is a member of the Turkish Society of Gynecologic Oncology; the Society of Robotic Gynecologic Surgery; the Society of Minimally Invasive Gynecologic Oncology; the Federation of Women’s Health Associations; IGCS; ESGO; ESGE; and SERGS. He is trained in robotic, laparoscopic, and gynecologic cancer surgery.

Dr. Esra Esim Buyukbayrak is an obstetrics and gynecology specialist and a perinatology (maternal–fetal medicine) subspecialist. She has practiced at Memorial Göztepe Hospital since 2025. She served as Head of Department and Clinical Administrative and Training Director at the Marmara University Faculty of Medicine from 2022 to 2025. From 2015 to 2025, she worked at Marmara University Pendik Training and Research Hospital as a perinatology subspecialist. She also served there as associate professor and later professor.

She holds an MD from Marmara University. She completed residency in obstetrics and gynecology and subspecialty training in perinatology. She received WHO–IAMANEH reproductive health training in Geneva in 2004. She completed advanced obstetrics and gynecology training in 2013. She trained in fetal surgery at Centro Gestar, Brazil, in 2023.

She has 86 SCI/SSCI-indexed articles and 84 nationally indexed articles. She has delivered 51 international and 40 national congress presentations. She has written 9 book chapters and supervised 15 doctoral dissertations. She serves as a reviewer and editorial board member for several journals.

Dr. Ulvi Gulmammadov is a Check-Up Physician at Memorial Göztepe Hospital (2025–present). He graduated from the Istanbul University Faculty of Medicine (2001–2008). He is a member of the Turkish Medical Association.

He works in preventive and hospital medicine. He spent 6 years in check-up and occupational practice at Acıbadem Atakent Hospital (2014–2020). He served as Medical Director at Focusmed Health Tourism for 5 years (2020–2025). He worked as a Ward Physician at Taksim German Hospital for 2 years (2012–2014). He also worked 4 years in Emergency Medicine at Emsey Medical Center and Bezmialem Vakıf Gureba Hospital (2008–2012). He has professional training in Occupational Medicine.

Professor of Thoracic Surgery (2013–present). Thoracic Surgery Specialist at Memorial Göztepe (2025–present) and Memorial Ataşehir (2024–present), Istanbul. Former Chair, Department of Thoracic Surgery, Marmara University School of Medicine (2018–2024).

MD, Marmara University (1993). Completed thoracic surgery residency in 2000. International training at Marie Lannelongue Hospital, Paris (2000–2008). Further training at Toronto General Hospital, Thoracic Surgery & Lung Transplantation Clinic (2013), and UC San Diego, Pulmonary Endarterectomy & Lung Transplant Clinic (2013).

Publications in the European Journal of Cardio-Thoracic Surgery, Annals of Thoracic Surgery, and Thoracic and Cardiovascular Surgeon. Topics include pulmonary endarterectomy (PEA) for chronic thromboembolic pulmonary hypertension (CTEPH) (2013) and massive hemorrhage after PEA (2012). They also cover PEA in Behçet’s disease (2018), sleeve lobectomy (2007), and surgery for T4 non–small cell lung cancer over 25 years (2008).

Psychiatrist at Memorial Bahçelievler Hospital since 2018. Previously worked at Medical Park Bahçelievler, Trakya University Psychiatry, and Bakırköy Mental Health. MD, Istanbul University Cerrahpaşa. Psychiatry residency at Bakırköy.

Author of 80 publications (53 national, 27 international). Has 330 international citations and 90 presentations. Wrote “Neurotransmitters and Depression” (1988). Contributed 25 book chapters and translated 3 psychiatry books.

Founding member of the Turkish Psychiatric Association and member of APA and ISPG. Awards include the TPA Research Encouragement (2006) and the Mood Disorders Third Prize (2004). Certified CBT psychotherapist (national and European, 2012) and supportive psychotherapist/instructor (2013). Supervised 21 theses. Was an invited speaker at more than 20 congresses and chaired 4. Served on 10 organizing committees. Reviewed 70 papers. Served on the editorial boards of 15 journals. Principal investigator or consultant on 5 projects.

Assoc. Prof. Dr. Saydam Mehmet is a general surgeon at Lokman Hekim Istanbul Hospital (2025–present). His work covers oncologic, endocrine, and metabolic surgery. He performs laparoscopic surgery, including hernia repair and anti-reflux procedures. He also treats morbid obesity and type 2 diabetes. Sleeve gastrectomy is among his key procedures.

Education: He graduated from the Gülhane Military Medical Academy, Faculty of Medicine (1995–2001). He completed his general surgery residency there (2004–2009). He was a research fellow at the University of Miami/Jackson Memorial Hospital, Ryder Trauma Center (2015–2016).

Experience: He worked as a general surgery specialist at GATA Haydarpaşa, Girne Military, and Mevki Military. He later served as Associate Professor of General Surgery at Dışkapı, Sancaktepe, and Medical Park Gebze. Earlier, he practiced as a general practitioner in military medical services.