Page 94 - Best Doctors in Turkey — Get an Online Consultation

Dr. Mustafa Tukenmez is a leading breast surgeon with global recognition in breast oncology. He has published over 40 original research articles in top journals. More than 30 of these are high-impact international publications. His research focuses on triple-negative breast cancer, immune markers, and surgical outcomes. Dr. Tukenmez is a pioneer in minimally invasive breast surgery. He was among the first to use single-port videoendoscopic nipple-sparing mastectomy. This technique provides better cosmetic results and faster recovery for patients.

Dr. Tukenmez played a key role in the NeoSenti-TURK multicentric study. His work helped shape international standards for sentinel lymph node biopsy and neoadjuvant chemotherapy. He has also developed cost-effective surgical training models, making medical education more accessible. His research on PD-L1 expression and immune checkpoint receptors has influenced personalized breast cancer therapy worldwide.

Prof. Dr. Makbule Eren is an expert in Pediatric Gastroenterology and Hepatology with more than 20 years of experience. She founded and led the Pediatric Gastroenterology and Hepatology Department at Eskişehir Osmangazi University. Her work has helped improve pediatric digestive health in Turkey.

She became an Associate Professor in 2011 and was promoted to Professor in 2016. Dr. Eren expanded her knowledge in motility and swallowing disorders as a guest professor at Columbia University’s Morgan Stanley Children’s Hospital in New York.

She is known for her skill in minimally invasive pediatric endoscopy. Dr. Eren has performed many diagnostic and therapeutic procedures. She is a founding member of the Eskişehir Celiac Life Association. She speaks English and German, which helps her care for international patients. Dr. Eren currently works at Istinye University and Liv Hospital.

Prof. Dr. Ozan Ozkaya is a highly respected pediatrician with specializations in Pediatrics, Nephrology, and Rheumatology. This triple expertise is uncommon in the medical field. He has over 30 years of experience. Dr. Ozkaya provides thorough care for children with complex kidney and autoimmune diseases. His areas of focus include congenital urinary anomalies, nephrotic syndrome, juvenile idiopathic arthritis, and connective tissue disorders.

Dr. Ozkaya has served in important academic and leadership positions. He was a Professor at Ondokuz Mayıs University and an Education Supervisor at leading hospitals in Turkey. He has helped train many future pediatricians. Since 2017, he has worked at Liv Hospital Istinye University. There, he continues to advance pediatric care and research. Dr. Ozkaya is widely recognized as a leader in pediatric nephrology and rheumatology.

Medical Interests and Activities 

Hepatic Cirrhosis and Portal Hypertension 

Hepatic Cancer 

Viral Hepatitides (Chronic Hepatitis B, C and Delta Infections) 

Alcoholic Chronic Liver Disease 

Non-Alcoholic Fatty Liver Disease 

Stomach and Duodenal Ulcer 

Gastrointestinal Hemorrhage (Ulcer and Varicose Vein Bleeding) 

Functional Digestive System Disorders (Irritable Bowel Syndrome, Functional Intestinal Obstruction and Diarrhea...) 

Inflammatory Bowel Diseases (Ulcerative Colitis, Crohn’s Disease) 

Malabsorption Syndromes (Celiac Disease and Alike) 

Gastrointestinal Tract Malignancies

Education and Experience 

Liv Hospital, Ulus, Gastroenterohepatology Department (2013 ...) 

Associate Professor of Medicine, Obligatory Service at Gastroenterology, Şanlıurfa Training and Research Hospital (2010 - 2012) 

Subspecialty in Gastroenterohepatology, Department of Gastroenterohepatology, İstanbul Faculty of Medicine, İstanbul University (2004 - 2010) 

Research Fellow, Physician, Department of Internal Diseases, 

İstanbul Faculty of Medicine, İstanbul University (1992 - 1998)

Memberships 

Turkish Association For The Study of The Liver 

Turkish Society of Gastroenterology 

Inflammatory Bowel Disease Society 

Internal Diseases Specialty Association

Prof. Dr. Selami Sozubir is a pediatric surgeon and pediatric urologist. He specializes in pediatric genitourinary reconstructive surgery, hypospadias, congenital urinary system abnormalities, pediatric abdominal surgery, oncological surgery, and newborn surgery. He has published 43 international and 34 national articles. His academic work has earned him an h-index of 16.

Dr. Sozubir has received several awards for his contributions to medical science. He is a member of the Pediatric Surgery Association, Pediatric Urology Association, and European Pediatric Urology Association. His memberships show his dedication to high standards in pediatric surgical care.

Prof. Dr. Emre Sivrikoz is a FEBS-certified colorectal surgeon with international training. He completed fellowships at the University of Southern California and St Mark’s Hospital in London through an ESCP scholarship. He holds the Fellow of the European Board of Surgery in Coloproctology, a distinction earned by few surgeons in Europe.

Dr. Sivrikoz specializes in minimally invasive colorectal surgery. He is experienced in advanced laparoscopic and robotic procedures, such as proctocolectomy with J-pouch and extralevator abdominoperineal resection. These techniques help improve safety and recovery times for cancer surgery. He has published over 30 articles in international journals and has presented at more than 20 global surgical congresses.

Besides his work in colorectal surgery, Dr. Sivrikoz is skilled in hernia repair, gallbladder surgery, thyroid surgery, and advanced proctology laser procedures. He has a strong academic background from Istanbul Erkek Lisesi in Germany and brings extensive international experience to his practice.

Dr. Eylem Karatay is a gastroenterologist and Associate Professor with international training. She specializes in advanced endoscopic techniques, including EMR, ESD, and EUS. Dr. Karatay received hands-on training at Johns Hopkins University in the USA and Korea University. She focuses on minimally invasive procedures for early-stage gastrointestinal tumors.

Dr. Karatay has published 16 international articles and written 3 book chapters. She has also presented 23 scientific papers at national and international congresses. She has strong experience in treating Inflammatory Bowel Diseases, esophageal motility disorders, viral hepatitis, and functional GI syndromes such as reflux and IBS.

Her work is recognized by leading medical associations. Dr. Karatay continues to contribute to the field of gastroenterology through both clinical practice and academic research.

I graduated from Ankara University, Faculty of Medicine, in 1984. After compulsory service, I traveled abroad (UK, Saudi Arabia, Greece and Russia) for a many years to study and work in the fields of gynecology and infertility. In 1997, I received my specialist training from Kartal Training and Research Hospital. Following my training, I worked at Kartal SSK hospital. In 2001, I went to Tel Aviv University in Israel and received training In Vitro Fertilization and reproductive endocrinology. After returning to Turkey, I opened my own in vitro fertilization center ( IVF Center). Following the closure of the hospital in which my IVF center was located due to economic reasons, I started practicing private medicine. A while after that, I started working as the manager of The Gynecological Oncology and IVF Center in Bodrum Acibadem Hospital. Then, I returned to Istanbul, and continued my work in private hospitals as a specialist in gynecological oncology and IVF.
Throughout my long years of experience I did over 15.000 IVF trails.

Dr. Alper Karalok is a specialist in gynecology, obstetrics, and gynecologic oncology with over 18 years of experience. He is known for his skill in advanced surgical procedures such as myomectomy, hysterectomy, and ovarian cyst removal. He focuses on minimally invasive and robotic surgeries for gynecologic cancers.

Dr. Karalok graduated from Ankara University. He completed further training at Akdeniz University and Etlik Zübeyde Hanım Hospital. He also completed a fellowship at Memorial Sloan Kettering Cancer Center in the USA. He is a member of ESGO, ENYGO, and TRSGO, showing his dedication to professional growth in gynecologic oncology.

Dr. Oyku Celen is a Dermatologist and Hair Transplant Surgeon with over 5 years of experience in training and research, and has expertise in medical dermatology and the cosmetic field.

Education

Doctor: Kilis Merkez No. 1 Health Center, 2006-2008
Assistant Doctor: Mersin University Faculty of Medicine, 2009-2013
Specialist Doctor: Bingöl Genç State Hospital, 2013-2014
Minor Assistant: Akdeniz University Faculty of Medicine, 2014-2017
Minor Specialist: Erzurum Regional Training and Research Hospital, 2017-2018
Subspecialist: Gaziosmanpaşa Training and Research Hospital, 2018-2020
Attending Specialist: Başakşehir Çam and Sakura City Hospital, 2020-2022
Associate Professor: Başakşehir Çam and Sakura City Hospital, 2023
Associate Professor: Istinye University Medicalpark Gaziosmanpaşa Hospital, 2023-2024

Scientific Memberships

Turkish Pediatric Society
Turkish Society for Pediatric Gastroenterology Hepatology and Nutrition
ESPGHAN - European Society for Pediatric Gastroenterology Hepatology and Nutrition.

Medical Intrests

• 
  -Irritable (Restless) Bowel Syndrome
• -Food allergies associated with the digestive system
• -Constipation, faecal incontinence
• -Acute and chronic diarrhoea, malabsorption
• -Chronic abdominal pain
• -Gastroesophageal reflux disease
• -Celiac disease
• -Ulcerative colitis, Crohn's disease
• -Treatment before and after liver transplantation
• -Acute and chronic pancreatitis

Dr. Ahmed Fatih Oguc is a specialist in gynecology and obstetrics. He is known for his skill and dedication to women’s health. He graduated from Trakya University Faculty of Medicine. He completed his specialization at Hacettepe University Faculty of Medicine.

Dr. Oguc has worked at leading healthcare institutions. He is committed to high standards of patient care and has earned strong patient satisfaction. He is a member of the Eskisehir Medical Chamber. This shows his commitment to professional growth and medical excellence.

Education:

2006-2013 Bursa Uludag University Faculty of Medicine - Undergraduate - (1 year English preparatory education)
2015-2020 Istanbul University of Health Sciences Haydarpaşa Numune Education and Research
Hospital, Department of Ophthalmology - Specialization in Medicine

Work Experience:

2013 : Yozgat Sarıkaya Community Health Center (General Practitioner)
2014: Ankara University Department of Physical Therapy and Rehabilitation (Research Assistant)
2015-2020 : Istanbul University of Health Sciences Haydarpasa Numune Training and Research Hospital
Department of Ophthalmology (Research Assistant)
2020-2022 : Kırşehir Training and Research Hospital (Specialist Physician)

Medical Interests:

oculoplastic surgery
Blepharoplasty - Botox - Eye area aesthetics
Excimer laser- Refractive surgery
cataract surgery
general ophthalmology

Areas of Interests

• Infertility
• In Vitro Fertilization (IVF) Treatment
• Endometriosis
• Urogynecology (urinary incontinence and uterine prolapse surgeries)
• Gynecological Laparoscopic surgeries
• Hysteroscopic surgeries
• Pregnancy Monitoring
• Myoma surgery
• Ovarian cysts and surgeries
• Gynecological plastic surgeries

Education:

• Ataturk University Faculty of Medicine - Undergraduate
• Abant Izzet Baysal University Faculty of Medicine Gynecology and Obstetrics - Specialization
• Bezmialem Vakif University Faculty of Medicine Istanbul - Assistant Professorship
• Bezmialem Vakif University Faculty of Medicine Istanbul - Associate Professorship
• American Hospital - Assisted Reproductive Specialist Training

Experience:

• Bolu Izzet Baysal State Hospital (Compulsory Service) -Bolu
• Bezmialem Vakif University Faculty of Medicine - Istanbul

Born in Ankara in 1980, he received his primary and secondary education in Artvin, his hometown. He graduated from Inebolu High School in 1997 and started studying at Ankara University Faculty of Medicine the same year. He received his Medical Doctor degree in 2003 and ranked high in the medical specialization exam the same year.

He started his cardiology specialization education in the Department of Cardiology at Gazi University Faculty of Medicine and became a cardiology specialist in 2008.

He served as an interventional cardiologist in Rize Education and Research Hospital during his mandatory service.

He worked in the field of electrophysiology with Prof. Dr. Remzi Karaoğuz at Ankara Güven Hospital. He became an Associate Professor in January 2014 and a Professor in 2023.

Throughout his academic career, he has published many scientific publications that have been published nationally and internationally and have received high citations. He provides patent and consultancy services for medical engineering in addition to clinical medical education and treatment services. He is a member of national and international scientific societies. He is currently working in interventional cardiology and cardiac electrophysiology fields in the Cardiology Clinic at Ankara Koru Çukurambar Hospital.

His medical interests include:

Cardiac electrophysiological (EPS) study and ablation therapy

Implantation and follow-up of cardiac pacemakers

Interventional Cardiology

Dr. Mehmet Yigit is an internal medicine specialist. He focuses on diabetes, metabolic syndrome, thyroid diseases, and hypertension. He also treats gastrointestinal problems such as dyspepsia, gastritis, and irritable bowel syndrome. In addition, he manages spondylitis and connective tissue diseases.

Dr. Yigit graduated from Çukurova University Faculty of Medicine in 2007. He completed his internal medicine training at Adnan Menderes University in 2013. He has worked as Assistant Chief Physician at Liv Hospital Ulus. He has held Medical Director roles at Recordati Rare Diseases and Alexion Pharmaceuticals. He has also held leadership positions at Abbvie and Novo Nordisk Pharmaceuticals. Dr. Yigit has served as an internal medicine physician at Manisa State Hospital. He has contributed to research as an assistant at ADU.

Dr. Kubilay Ukinc is a specialist in endocrinology and metabolic diseases. His clinical interests include diabetes, thyroid disorders, obesity, and hypertension. He also treats adrenal and pituitary diseases, as well as hormone-related disorders in both women and men. Dr. Ukinc has expertise in low blood sugar conditions.

He received his medical training at Hacettepe University and Karadeniz Technical University. He has worked in academic and clinical roles at Karadeniz Technical University, Çanakkale Onsekiz Mart University, and Istanbul Bilim University. Dr. Ukinc has broad experience in internal medicine and endocrinology. He is active in both patient care and medical education.

Medical Intrests

• Liver diseases
• Bile ducts gallbladder diseases
• Hepatobiliary surgery
• Liver transplant
• Kidney transplant
• Pancreas transplant
• Pancreatic diseases
• Laparoscopic surgery
• Oncological surgery
•  

Education

Medicine Pr. - Specialization Dokuz Eylül University Faculty of Medicine 1991 - 1998
Department of General Surgery - Pamukkale University Faculty of Medicine 2001 - 2007

Experience

Specialist Doctor Erciş State Hospital Van 2007 - 2009
Specialist Doctor Gölhisar State Hospital 2009 - 2009
Clinical Fellow Şişli Florence Nıghtıngale Hospital 2011 - 2012
Assistant Professor Pamukkale University / Faculty of Medicine / Department of Surgical Medical Sciences / Department of General Surgery) 2009 - 2013
Assistant Professor Akdeniz University/Faculty of Medicine/Department of Surgical Medical Sciences/Division of General Surgery)- Prof. Dr. Tuncer Karpuzoğlu Organ Transplant Center 2013

Scientific Memberships

Turkey Organ Transplant Organizations Coordination Association, Member, 2011
National Surgical Association, Member, 2005
 

Dr. Ugur Boylu is a Professor of Urology. He is known for his skills in Robotic Surgery, Urological Oncology, and Endourology. He treats urological cancers and performs minimally invasive procedures. Dr. Boylu has played a key role in improving techniques in his field.

He has written 72 scientific papers and presented 193 congress abstracts. He has also contributed to 20 books. His work has received over 1,150 citations, and his h-index is 19. Dr. Boylu is accredited by the Turkish Urology Association and the European Association of Urology.