Page 5 - Best Doctors in the World

Dr. Şeniz Üstündağ completed her dental education at Marmara University Faculty of Dentistry and was later accepted into the English doctoral program at the same faculty in 2002. She earned her doctorate in 2007 with her thesis titled “Computerized axiographic evaluation of centric occlusion-maximum intercuspation positions and condylar movements before and after relaxation splint therapy in patients with temporomandibular disorders.” Her specialization was certified in 2011. During this period, she participated in numerous national and international congresses and completed many treatments related to fixed treatments, lingual therapy, orthognathic surgery preparation, Invisalign treatments, myobrace treatments, Roth techniques, anchorage systems with mini screws, cleft lip and palate, and management of impacted teeth.

MEDICAL INTEREST AREAS

– Fixed Orthodontic Treatment

– Preventive Orthodontic Treatment

– Functional Treatments

– Treatment with Clear Aligners (Invisalign first/Teen/MA)

– Management of Impacted Teeth

– Anchorage with Mini Screws

– Preparation for Orthognathic Surgery

EDUCATION

Undergraduate: Marmara University Faculty of Dentistry

Doctorate/Specialization: Marmara University Faculty of Dentistry

EXPERIENCE

2018 - Present, Istanbul, Turkey

MEMORIAL ATAŞEHİR HOSPITAL

Gastroenterology Specialist

2017 - 2018, Istanbul, Turkey

ULUS LIV HOSPITAL

Gastroenterology Specialist

2013 - 2016, Istanbul, Turkey

MEDICAL PARK BAHÇELİEVLER HOSPITAL

Gastroenterology Specialist

2011 - 2013, Nevşehir, Turkey

NEVŞEHİR STATE HOSPITAL

Mandatory Service

EDUCATION

2008 - 2011, Izmir, Turkey

DOKUZ EYLÜL UNIVERSITY

Gastroenterology Residency Training

2002 - 2007, Istanbul, Turkey

ISTANBUL FACULTY OF MEDICINE

Internal Medicine Residency Training

1994 - 2001, Istanbul, Turkey

MARMARA UNIVERSITY FACULTY OF MEDICINE

Medical Degree

SCIENTIFIC PUBLICATIONS

Numerous national and international articles and publications

PROFESSIONAL MEMBERSHIPS

• Turkish Gastroenterology Association

• Turkish Endoscopy Association

• Turkish Liver Research Association

• Internal Medicine Association

PARTICIPATION IN PROFESSIONAL TRAININGS, COURSES, AND CONFERENCES

Extensive participation in various professional training programs, courses, and congresses

2003 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL ANKARA HOSPITAL

Nuclear Medicine Specialist

2003 - 2003, Erzincan/Erzincan/Türkiye

B. ERZINCAN STATE HOSPITAL

Nuclear Medicine Specialist

1994 - 1995, Samsun/Samsun/Türkiye

SAMSUN HAVZA SEYHLER HEALTH CENTER

General Practitioner

Dr. Gülümser Kızıltaş Tokmak is a board-certified neurologist. She specializes in advanced neurophysiological diagnostics. She graduated from Istanbul University Cerrahpaşa School of Medicine in 2002. She completed her neurology residency at Okmeydanı Teaching and Research Hospital in 2008. Dr. Tokmak also holds a master’s degree in Electrophysiology from Istanbul University.

She has extensive experience in EMG, EEG, and PSG. Her main clinical interests are dementia, headache, and vertigo. Dr. Tokmak has contributed to many studies in these fields. She has worked at Ağrı State Hospital Neurology Clinic, Hisar Intercontinental Hospital, and Medical Park Hospitals.

Prof. Haluk Duman is an expert plastic surgeon based in Istanbul, Turkey with over 35 years of experience. He specializes in plastic surgery after cancer, burns, and skin tumors, as well as hand and maxillofacial surgery. He has a general medical degree from Istanbul University Medical Faculty and specialty in plastic and reconstructive surgery from Ankara GATA Medical School, and a fellowship from The University of Texas MD Anderson Cancer Center. Prof. Duman has published over 60 papers and participated in 100+ conferences. He is a member of various organizations.

Dr. Alihan Gurkan is a gastrointestinal surgeon with over 25 years of experience. He specializes in bariatric and advanced gastrointestinal procedures. For more than ten years, he led the Department of General Surgery. He is known for his focus on patient safety and his commitment to international standards.

Dr. Gurkan is a member of several professional organizations, such as the American Society of Transplant Surgeons and the Turkish Society of Surgery. He completed advanced fellowships in cardiovascular and multi-organ transplantation at leading US institutions. His practice is known for high success rates and the use of modern surgical techniques.

Dr. Omer Oner is a dentist and maxillofacial surgeon with over 13 years of experience. He practices in Istanbul, Turkey. He focuses on implant surgery, impacted teeth, cyst and tumor surgery, periodontal surgery, and All-on-4 implantation. Dr. Oner has performed hundreds of successful procedures in these areas.

He is known for his contributions to dental science. Dr. Oner often presents at conferences and symposiums. He graduated from Istanbul University’s Faculty of Dentistry. He also completed his specialization in maxillofacial surgery at Kırıkkale University. He has advanced training in emergency dental care and aesthetic implantology.

Prof. Dr. Ilknur Erenler Bayraktar is a General Surgeon with expertise in colorectal surgery, advanced laparoscopic and robotic surgery, and gastrointestinal oncology. She earned her medical degree and completed her general surgery residency at Istanbul University Cerrahpaşa Faculty of Medicine.

Dr. Bayraktar has international experience from the Cleveland Clinic Digestive Disease Institute in the USA and Klinikum rechts der Isar in Germany. In 2021, she received the European Board of Coloproctology (EBSQ-C) specialist certification, highlighting her skills in coloproctology.

She is known for her work in minimally invasive surgical techniques. Dr. Bayraktar is an active member of the European Society of Coloproctology and the European Surgical Society of Oncology.

2019 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Neurosurgery Specialist

2015 - 2019, Istanbul/Istanbul/Türkiye

ACIBADEM UNIVERSITY ATAKENT HOSPITAL

Neurosurgery Specialist, Lecturer

2010 - 2015, Bolu/Bolu/Türkiye

ABANT İZZET BAYSAL UNIVERSITY FACULTY OF MEDICINE

Head of Neurosurgery Department

1992 - 2010, Istanbul/Istanbul/Türkiye

BEZMIALEM FOUNDATION GUREBA TRAINING AND RESEARCH HOSPITAL

Neurosurgery Clinic Chief

1987 - 1992, Istanbul/Istanbul/Türkiye

HAYDARPAŞA NUMBER TRAINING AND RESEARCH HOSPITAL

Assistant Chief of Neurosurgery

1987 - 1989, /Switzerland

ZURICH UNIVERSITY HOSPITAL (KANTONSSPITAL)

Neurosurgery Specialist

1984 - 1987, Istanbul/Istanbul/Türkiye

HAYDARPAŞA NUMBER TRAINING AND RESEARCH HOSPITAL

Chief Assistant

1983 - 1984, Ankara/Ankara/Türkiye

GÜLHANE MILITARY MEDICAL FACULTY

Neurosurgery Specialist

Dr. Rahib Hasanov is a medical oncologist. He graduated from Istanbul University Cerrahpaşa Faculty of Medicine (1999–2005). He completed an internal medicine residency (2009–2013) and a medical oncology fellowship at Marmara University (2015–2018). He also completed an observership at Houston Methodist Hospital (2006–2007).

He focuses on personalized oncology. His treatments include immunotherapy, targeted therapy, and novel agents. His clinical interests include gastrointestinal, breast, lung, and genitourinary cancers.

He attends national and international conferences. He welcomes patients from Turkey, Azerbaijan, Montenegro, Georgia, Uzbekistan, the Middle East, Europe, and the United States.

Prof. Şeref Kömürcü is an ECFMG and ESMO-certified medical and breast oncologist with over 20 years of experience. He specializes in solid cancer, breast cancer, colorectal and lung cancer treatment and has held teaching and scientific positions throughout his career. He is a member of several professional organizations.

AFTER COMPLETING MY MEDICAL EDUCATION AT BURSA ULUDAĞ UNIVERSITY FACULTY OF MEDICINE BETWEEN 2007-2014, I COMPLETED MY CARDIOLOGY EDUCATION AT ERZURUM ATATÜRK UNIVERSITY FACULTY OF MEDICINE BETWEEN 2015-2019. AFTER COMPLETING MY COMPULSORY SERVICE IN ERZURUM, I WORKED IN DÜZCE ATATÜRK STATE HOSPITAL BETWEEN 2021-2022. AS OF SEPTEMBER 2022, I HAVE BEEN PROVIDING CARDIOLOGY POLYCLINIC SERVICE IN HİSAR INTERCONTIINENTAL HOSPITAL. 

MEDICAL INTERESTS

• Diagnosis of Coronary Artery Disease (Stress Test, MPS, Coronary Angiography) and Treatment (Stent, Balloon)
• Diagnosis and Treatment of Heart Failure
• Heart Valve Diseases
• Hypertension
• Transesophageal Echocardiography (TEE)
• Diagnosis (Holter Monitoring) and Treatment of Arrhythmias
•  

A doctor with an MD from Istanbul University, specializing in general surgery and kidney transplants. Experienced in military, private, and university hospitals and a member of various medical associations.

Dr. Taha Bahadir Uskul is a specialist in pulmonology and tuberculosis at Memorial Şişli Hospital in Istanbul. He previously worked at Florence Nightingale Hospitals and Istanbul Okan University Hospital.

He earned his MD from Istanbul University. He completed his specialization in pulmonology and tuberculosis at SB Istanbul Süreyyapaşa Chest Diseases and Thoracic Surgery Training and Research Hospital. He received Turkish Board Certification in Pulmonology in 2002. He is trained in interventional bronchoscopy, medical thoracoscopy, transbronchial needle aspiration, rigid bronchoscopy, and polysomnography.

His awards include Excellent Presentation and the Harasawa Fellowship (APSR, 2006). He also received a Certificate of Appreciation in 2008. He has 11 international and 23 national peer-reviewed publications and numerous presentations.

Dr. Sinan Çomu is a Turkish neurologist with 20+ years of experience treating movement, behavioral, genetic, metabolic, epilepsy, headache, and developmental delay disorders in infants, children, and adolescents. He received his medical degree from Istanbul University and specialty training in pediatrics, children’s neurology and American treatment approaches from Rainbow Babies and Children's Hospital, the University of Pittsburgh, and Memorial Şişli Hospital. He is a member of the Turkish Neurological Society and the Child Neurology Society.

Prof. Mustafa Sağlam, M.D. graduated from Marmara University School of Medicine in 1994 and has specialized in Endovascular Repair of the Aneurysm of Abdominal Aorta, Stress Test for imaging the Coronary Artery Diseases, Ambulatory Cardiac Monitoring, Holter Test, Balloon Valvuloplasty and Temporary Pacemaker. He is currently the Head of the Cardiology Department in Hisar Hospital Intercontinental.

Dr. Nurettin Demirkol is a physician with expertise in hypertension, hyperlipidemia, thyroid diseases, diabetes, and vascular conditions. He also manages the follow-up of chronic diseases. Dr. Demirkol has strong experience in identifying causes and making diagnoses. He provides advanced care in internal medicine.

He completed his undergraduate and specialization training at Istanbul University, Istanbul Faculty of Medicine. He also earned a master’s degree in Health Management from Okan University. Dr. Demirkol has worked at Hisar Intercontinental Hospital, Kozyatağı Central Hospital, and Istanbul Faculty of Medicine. He has made important contributions to patient care and chronic disease management at these institutions.

Dt. Ebru Şaşmazlar

she graduated from Istanbul University Faculty of Dentistry in 2000. Between 2000 to 2021, she worked in her own office in Şişli; and between 2021 to 2024, she worked in her own clinic on Bağdat Street.
She has attended numerous seminars and courses throughout her career.
she received "Digital Smile Design" training at Miami University, USA in 2014; and "Advanced Implantology" training at California Northstate University in 2017.
With 24 years of experience, I am currently operating in Klinik En.

Dr. Ebru Öztürk Öksüz is a gynecologist and obstetrician with over 12 years of experience. She is a member of the Turkish Society of Gynecology and Obstetrics (TJOD) and has worked at Istanbul Üniversitesi Cerrahpaşa Medical School, Meltem Hospital and Memorial Hospital.