Best Transnasal Endoscopy Doctors Worldwide — TOP 11

Dr. Vilius Kontenis is a gastroenterologist and endoscopist at Meliva Kardiolita Hospital in Vilnius. He is a member of the World Gastroenterology Organisation. Dr. Kontenis specializes in inflammatory bowel disease and non-invasive liver fibrosis assessment. He also treats digestive disorders, dysphagia, and food allergies.

• Performs gastroscopy with biopsy, colonoscopy, and transnasal endoscopy.
• Published a systematic meta-analysis on anti-TNF therapy discontinuation in IBD patients.
• Served as the editor of the medical journal Gastroenterologija.
• Practices at JCI-accredited Kardiolita Hospital, which treats 298,000 patients annually.

Dr. Tomas Jucaitis is a gastroenterologist and endoscopist at Meliva Kardiolita Hospital in Vilnius. He focuses on instrumental diagnostics, including gastrointestinal ultrasound and transnasal endoscopy. Dr. Jucaitis completed his medical training and residency at Vilnius University. He also completed clinical internships in the USA, Germany, and the Czech Republic.

• Served as a coordinator at the Lithuanian National Organ Transplantation Bureau.
• Performs colonoscopies, gastroscopies with biopsy, and complex ultrasound screenings.
• Practices at a JCI-accredited facility that treats 298,000 patients annually.
• Maintains expertise in internal medicine and gastroenterology since 1998.

Dr. Kittipanyaworakul is a double-certified specialist in gastroenterology and internal medicine. He performs transnasal endoscopy at Navamin 9 Hospital.

• Certified by the Faculty of Medicine at Ramathibodi Hospital, Mahidol University
• Expertise includes hepatology – the study and treatment of liver conditions
• Holds a diploma in internal medicine from Chulalongkorn Memorial Hospital
• Trained at Chiang Mai University, one of Thailand's top medical schools

Dr. Omer Burcak Binicier is a gastroenterologist at Medicalpoint International Hospital in Izmir. He focuses on early-stage gastrointestinal cancers and inflammatory bowel diseases. Dr. Binicier completed international training at the Korea University Faculty of Medicine. He treats complex liver, pancreatic, and digestive system disorders using manual and robotic-assisted techniques.

• Performs therapeutic endoscopy including EMR, ESD, and ERCP.
• Provides minimally invasive obesity treatments like intragastric balloons.
• Expert in endoscopic ultrasound for precise digestive tract imaging.
• Practices at JCI-accredited Medicalpoint International Hospital.

Dr. Seymur Aslanov is a gastroenterologist at Medicalpoint International Hospital in İzmir. He completed his subspecialty training at Ege University. Dr. Aslanov treats inflammatory bowel diseases, liver disorders, and digestive system cancers. He is a member of the Izmir Medical Chamber.

• Performs ERCP and endoscopic procedures to treat biliary tract diseases.
• Treats Crohn's disease and ulcerative colitis using stem cell therapy.
• Surgical expertise includes endoscopic polypectomy and stenting for gastrointestinal stenosis.
• Works at a JCI-accredited hospital with ISO and TEMOS quality certifications.

Dr. Selin Kapan is a general surgery professor at İstinye University Liv Hospital Topkapı. She specializes in gastrointestinal surgery and laparoscopic hernia repair. Dr. Kapan has published over 50 peer-reviewed papers in international medical journals. Her research focuses on perianal fistulas and hepatic hydatid disease.

• Performs bariatric procedures including gastric sleeve and bypass surgeries.
• Expert in hernia repair using laparoscopic and robotic techniques.
• Treats complex conditions like salivary gland tumors and pilonidal disease.
• Is a member of the Turkish Surgical Association and the Hernia Society.

Dr. Ioannis Serafetinidis is a Gastroenterologist–Endoscopist at the IASYS Clinic Outpatient Department in Vyronas, Athens. He provides diagnosis and endoscopic treatment for digestive disorders to local and international patients.

He holds a Medical Degree from the National and Kapodistrian University of Athens. He completed his residency and specialization in the United States and pursued advanced postgraduate training there. This training included work in major clinical centers.

Expertise: gastroscopy, colonoscopy, diagnostic and therapeutic endoscopy, GERD, inflammatory bowel disease, colorectal cancer screening, and peptic ulcer disease. He is highly rated by patients on multiple online platforms. Languages: Greek, English.

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.

Prof. Dr. Musa Aydınlı is an internal medicine specialist and gastroenterologist. He completed his MD at Hacettepe University in 1997. He finished internal medicine training in 2003 and gastroenterology training in 2007 at the same institution. He worked at Kayseri Training and Research Hospital from 2007 to 2009. He served in the Gastroenterology Department at Gaziantep University from 2009 to 2014. He became an associate professor in 2012 and a professor in 2020. He joined Gülhane Training and Research Hospital in 2022. He now practices at Private Koru Ankara Hospital.

Clinical focus: GERD; dyspepsia, gastritis, and Helicobacter pylori; peptic ulcer disease; celiac disease; IBS and IBD (ulcerative colitis, Crohn’s disease); colon polyps; colorectal and upper GI cancers; liver disease (fatty liver, chronic hepatitis, cirrhosis, portal hypertension); hepatobiliary and pancreatic disorders and cancers. Procedures: EGD, rectosigmoidoscopy, and colonoscopy; biopsy, polypectomy, and endoscopic mucosal resection; hemostasis and APC; dilation and stent placement; PEG; ERCP; EUS-guided biopsy.