Page 11 - Best diagnosticians: TOP 416 doctors

Dr. Kidir specializes in nephrology and internal medicine with extensive research in kidney dysfunction and dialysis techniques.

• Published multiple studies on chronic kidney disease and dialysis solutions
• Presented research at international conferences including ERA-EDTA
• Trained at Süleyman Demirel University in nephrology
• Works at Medipol Bahçelievler Hospital

Dr. Vafa Guliyeva is a pediatric rheumatologist at Memorial Göztepe Hospital in Istanbul. She previously worked at Memorial Şişli and LIV Bona Dea. Before that, she was a pediatrics specialist at Florence Nightingale Hospital.

Training: Pediatric rheumatology subspecialty at Istanbul University and Istanbul Cerrahpaşa University. Pediatrics residency at Istanbul Medeniyet University.

Achievements: Author of 20 international and 3 national peer-reviewed articles. Presented 3 international and 20 national conference papers. Contributed to 4 book chapters. Principal investigator of a BAP scientific project.

Memberships: Turkish Medical Association (TTB). Pediatric Rheumatology Association. Paediatric Rheumatology European Society (PReS).

Prof. Murat Sünbül is a Professor of Cardiology at İstinye University, Topkapı Liv Hospital (2025–present). He earned his M.D. from Istanbul University in 2005 and completed a cardiology residency at Marmara University in 2010. From 2011 to 2025, he served at Marmara University as a Cardiology Specialist, and then as Assistant, Associate, and Professor.

Expertise includes complex coronary interventions and coronary imaging (FFR, OCT, IVUS). He performs peripheral, carotid, and renal artery interventions and denervation. He treats structural and valve disease (ASD/PFO closure, TAVI). He provides device therapy (LBB pacing, ICD, CRT). He uses advanced imaging (TEE, 3D echo, speckle tracking) and performs right heart catheterization. He also manages heart failure, hypertension, hyperlipidemia, and pulmonary hypertension.

He has authored over 100 peer-reviewed papers in national and international journals. His work has appeared in Herz, The Thoracic and Cardiovascular Surgeon, Cardiology Journal, and Wiener Klinische Wochenschrift.

Dr. Zuhal Cakmak Peksen is a Family Medicine Specialist since 2017. She earned her MD from Çukurova University in 2010. She completed specialty training at Yüzüncü Yıl University between 2013 and 2017. She is currently studying for a bachelor’s degree in Health Management at Anadolu University (2024–present).

She has 15 years of clinical practice (2010–2025) across 8 institutions. Her experience includes research in Family Medicine (2013–2017) and work at several Family Health Centers. Since 2020, she has served at TOKİ Avrupa Family Health Center in Gaziosmanpaşa, Istanbul.

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.

Associate Professor trained at Harvard Medical School, with published research in hematology and internal medicine. Currently practices at Memorial Göztepe Hospital.

• Specializes in hematology with subspecialty training from Eskişehir Osmangazi University
• Member of European Society for Blood and Marrow Transplantation
• Recipient of multiple research awards, including TUBITAK and SOHO grants
• Published 32 international articles and 14 national articles

Dr. Mahir Cengiz is a Professor of Internal Medicine and an Internal Medicine Specialist. He works at Memorial Göztepe Hospital (2025–present). He previously served at Istanbul Aydın University–Medical Park Florya (2022–2025). He held roles at Biruni University Hospital as Lecturer and Chief Physician (2018–2022). Earlier, he was a Lecturer at Istanbul University–Cerrahpaşa Faculty of Medicine (2013–2018) and Chief Physician at Şarkışla State Hospital (2012–2013).

His track record includes 12 years as a lecturer and 5 years as a chief physician. He earned his MD from Istanbul University, Istanbul Faculty of Medicine (2000–2006). He completed an Internal Medicine residency at Istanbul University–Cerrahpaşa (2006–2011). He served as Chief Resident in Internal Medicine (2013–2017). He became an Associate Professor in 2017 and a Professor in 2022.

Dr. Fatih Gumus is a Cardiovascular Surgery Specialist at Memorial Göztepe Hospital (2025–present). He previously served at Memorial Ankara (2023–2025) and Bartın State Hospital (2018–2022). He completed his Cardiovascular Surgery residency at Ankara University (2013–2018). He was a Clinical Fellow at Johns Hopkins University in 2010. He observed Vascular Surgery at the Cleveland Clinic in 2014. He earned his MD from Hacettepe University (English program, 2005–2012).

He has authored five peer-reviewed papers on minimally invasive valve surgery, right heart and LVAD assessment, and DVT therapy. He is a member of EACTS, ISMICS, MIRC, the Turkish Society of Cardiovascular Surgery, and the Turkish Society of Vascular Surgery. He served as faculty at the 19th ICCVS. He gave oral talks at EACTS 2017, ISMICS 2018, and UIP 19th.

Dr. Sahin specializes in cardiology diagnostics at Memorial Göztepe Hospital, with extensive training in advanced cardiac procedures.

• Member of the European Society of Cardiology and EuroCTO Club
• Trained in TAVI, MitraClip, and Renal Denervation procedures
• Over 15 years of experience in cardiology across top Turkish hospitals
• Graduated from Istanbul University Cerrahpaşa Faculty of Medicine

Professor of Cardiology with a decade of experience – Dr. Gunduz specializes in advanced cardiovascular diagnostics at Memorial Göztepe Hospital.

• Member of the European Society of Cardiology and EAPCI
• Associate Professor at Kartal Koşuyolu High Specialty Hospital
• Trained in cardiovascular imaging and interventions

Specializes in cardiology with over 15 years of experience, currently at Memorial Göztepe Hospital. Author of 200+ scientific articles.

• Fellowship-trained in advanced heart failure at University of Alberta
• Editorial board member for Nature 'Scientific Reports'
• Member of European Society of Cardiology and Heart Failure Association
• Visiting scientist at University of Alabama at Birmingham

Specialist in cardiology with a focus on advanced diagnostics and heart rhythm disorders at Memorial Göztepe Hospital.

• Trained at Istanbul University Cerrahpaşa Faculty of Medicine
• Member of European Heart Rhythm Association (EHRA)
• Presented cases at EHRA and Turkish Society of Cardiology congresses
• Specializes in echocardiography and bifurcation lesions management

Dr. Ahmet Mutlu specializes in ENT diagnostics with a focus on audiology and voice disorders at Memorial Göztepe Hospital.

• Master's degree in Audiology from Başkent University
• European Board Certified in Otorhinolaryngology
• Member of multiple prestigious ENT societies
• Trained in microsurgery otology in France

Associate Professor in Cardiology with extensive diagnostic expertise at Memorial Göztepe Hospital, recognized by the European Society of Cardiology.

• Member of the European Heart Failure Association – Gold Member
• Board Member of the Turkish Society of Cardiology's Heart Failure Working Group
• Specializes in advanced cardiovascular diagnostics and heart failure management
• Trained at Istanbul Faculty of Medicine and Dr. Siyami Ersek Hospital

Dr. Demir specializes in cardiovascular surgery with advanced training in beating-heart coronary bypass and minimally invasive techniques.

• Assistant Professor at Okan University Hospital
• Trained at Royal Brompton & Harefield Hospital in London
• Member of European Society for Vascular Surgery
• Expert in aortic surgery and ECMO procedures

Specialist in Cardiovascular Surgery at Memorial Göztepe Hospital with extensive training in vascular and endovascular procedures.

• Member of European Society for Cardiothoracic Surgery (EACTS) and European Society for Vascular Surgery (ESVS)
• Attended advanced courses including Basic and Advanced Doppler Ultrasonography
• Participated in international conferences like the 27th European Vascular Course
• Trained at prestigious institutions including Ankara University and University of Health Sciences

Dr. Berrak Beyoglu Oruc specializes in advanced gynecological diagnostics and minimally invasive techniques at Memorial Göztepe Hospital.

• Certified in Assisted Reproductive Technologies (ART) and minimally invasive gynecological surgery
• Award-winning research on transperineal ultrasonography for operative delivery prediction
• Trained in gynecologic oncology at Bologna University's S. Orsola Hospital
• Member of international societies including ISUOG and ESGE
• Fellowship in robotic surgery from ESGO Belgium ORSI Academy