Dr. Natalya Shevchenko is a gastroenterologist of the highest category with 67 positive patient reviews. She coordinates biopsies during gastroscopy and colonoscopy procedures at ON Clinic.
Dr. Sultan Kavrut specializes in gynecological health at Medistate Hospital. She uses biopsies and colposcopy to guide surgical decisions for complex reproductive conditions.
Dr. Yogesh Batra heads the Gastroenterology and Hepatology Department at BLK Super Speciality Hospital. He handles complex liver and digestive cases involving ultrasound-guided biopsies.
Dr. Arturo Herrera Cervantes is a gynecologist and one of the best plastic surgeons in Mexico. Completed his specialization at the Autonomous University of Baja California (UABC). He works at Advance Health Medical Center in Tijuana.
Dr. Sadir Alrawi is a board-certified surgical oncologist. He specializes in upper gastrointestinal, head and neck, minimally invasive, breast, and colorectal cancers. He also has expertise in heated chemoperfusion. Dr. Alrawi serves as the Director of Oncology Services at VPS Hospital system in the UAE and MENA region. He oversees several tertiary referral cancer centers.
Dr. Alrawi holds both American and British board certifications. He completed fellowships at Roswell Park Cancer Institute. He has previously led oncology divisions at Al Zahra Hospital, Tawam Hospital (a Johns Hopkins affiliate), and 21st Century Oncology in Florida. Dr. Alrawi has published widely and given many invited talks. He remains active in oncology research and education.
Dr. Aydan Biri is a gynecologist and obstetrician at Private Koru Ankara Hospital. She is a recognized Expert Robotic Surgeon. Dr. Biri founded the JCI-accredited Koru Ankara Hospital. She previously served as an assistant professor at Gazi University. Her practice focuses on robotic gynecological surgery and complex obstetric care.
Dr. Kadri Yamac is an internist and hematologist. He earned his medical degree from Ankara University Faculty of Medicine (1976–1982). He completed Internal Medicine training at Gazi University Faculty of Medicine (1984–1989). He then completed a Hematology subspecialty at Gazi University Faculty of Medicine (1990–1993). He became an Associate Professor at Gazi University Faculty of Medicine in 1995. He was promoted to Professor in 2002.
Medical interests: anemias, coagulation disorders, hemochromatosis, chronic lymphocytic leukemia, lymph node diseases, non-Hodgkin lymphoma, Hodgkin lymphoma.
Prof. Dr. İbrahim Doğan is a gastroenterologist. He earned his MD from Ankara University Faculty of Medicine in 1991. He became an Internal Medicine specialist at Gazi University in 1996. He completed gastroenterology subspecialty training at İnönü University in 2001.
His academic career was at Gazi University. He served as Lecturer (2002), Assistant Professor (2003), Associate Professor (2007), and Professor (2012). He worked as a researcher at the University of California San Diego from 2004 to 2006. He has practiced at Koru Hospital since January 2023.
Clinical focus includes gastroesophageal reflux, irritable bowel syndrome, constipation, gastroparesis, achalasia, bloating, gas and belching, fecal incontinence, ulcerative colitis, and Crohn’s disease. He performs ERCP, stent placement, balloon and bougie dilation, polypectomy, argon plasma coagulation, double-balloon enteroscopy, and bleeding control.
Dr. Sang Eun Lee is an oncologist at Severance Hospital. He provides specialized care for patients needing a biopsy to investigate potential cancer.
Dr. Mi Ryung Roh is an oncologist practicing at Severance Hospital. Her expertise in cancer care supports precise skin or tissue evaluation during a biopsy.
Dr. Ahmet Oktem is a neonatologist at Medipol Acibadem District Hospital in Istanbul. He specializes in the intensive care of premature infants and neonatal infections. Dr. Oktem focuses on treating respiratory issues and metabolic disorders like hypoglycemia. He holds a doctorate from Ankara University and completed specialization at Hacettepe University.
Dr. Nurana Guliyeva is a gastroenterologist at the Biological Medicine Integrative Health Center in Baku. She specializes in treating viral hepatitis, cirrhosis, and complex autoimmune liver diseases. Dr. Guliyeva completed an internship in microbiology and infectious diseases at Ege University in Turkey. She focuses on digestive health, including stomach, intestine, and pancreas disorders.
Dr. Murat Duzgun is a neurosurgeon at Can Hospitals Turkey in İzmir. He specializes in spine surgery and endoscopic brain tumor removal. Dr. Duzgun uses neuronavigation for high-precision brain surgery. He performs fully closed procedures for herniated discs and spinal fractures.
Dr. Chang Hang Seok is an oncologist at Severance Hospital in Seoul. He provides expert medical oversight for cancer diagnostics including biopsy procedures.
Dr. Teyyub Hesenov is a neurosurgeon at Melhem International Hospital in Baku. He focuses on neuromodulation and complex tumor resections. Dr. Hesenov was the first to perform Parkinson’s surgery in Azerbaijan. He earned his medical degree and specialist training at major Turkish universities. His practice includes adult and pediatric neurosurgery.