Crohn's Disease Doctors Worldwide

Specialist in pediatric gastroenterology with a focus on Crohn's disease and ulcerative colitis – Dr. Basaran is an associate professor at Istinye University Medicalpark Gaziosmanpaşa Hospital.

• Member of ESPGHAN – leading European pediatric gastroenterology society
• Trained at top Turkish hospitals including Akdeniz University and Başakşehir Çam and Sakura City Hospital
• Expertise in managing complex IBD cases in children and adolescents

Dr. Ozturk brings over 19 years of gastroenterology expertise, specializing in Crohn's disease at Biruni University Hospital.

• Subspecialty trained in gastroenterology at Medeniyet University
• Chief Assistant of Gastroenterology Clinic at Ümraniye Training and Research Hospital
• Member of Turkish Society of Gastroenterology and Gastrointestinal Endoscopy Society
• Awarded for research presentations on gastroenterology topics

Director of Gastroenterology at German Oncology Centre – specializes in complex Crohn's disease cases with over 23 years of focused experience.

• Board-certified in gastroenterology and pathology
• Deputy Director at Kreiskliniken Darmstadt-Dieburg Hospital
• Trained at University of Giessen and Klinikum Offenbach
• Specializes in diagnostic and therapeutic gastroenterology

Specialist Gastroenterologist with 13 years focused on Crohn's disease and complex GI disorders at Dubai London Hospital.

• 13 years of experience in internal medicine
• Expert in upper GI endoscopy and total colonoscopy
• Trained at Shiraz University – one of Iran's top medical schools
• Specializes in inflammatory bowel diseases like Crohn's

Dr. Abdulkerim Yilmaz is a gastroenterologist at Medicana Sivas Hospital in Turkey. He treats digestive conditions including cirrhosis, Crohn's disease, and pancreatitis. Dr. Yilmaz performs endoscopic procedures to remove polyps from the stomach and duodenum.

He works at Medicana Sivas, a facility that treats over 110,000 patients annually. The hospital has 219 beds and a department for gastrointestinal care. Dr. Yilmaz manages chronic inflammatory bowel diseases like ulcerative colitis and Barrett's esophagus. He also treats gastric issues such as ulcers, gastritis, and gallstones.

Specializes in laparoscopic surgeries for abdominal conditions, including Crohn's disease complications.

• Performs minimally invasive procedures for faster recovery
• Treats a wide range of gastrointestinal conditions
• Experienced in managing acute abdominal emergencies

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.

Dr. Ana Isabel Romero Reina is a gastroenterologist at Publio Cordón Memorial Hospital in Madrid. She treats chronic digestive conditions such as Crohn's disease and Barrett's esophagus. She manages gastric ulcers and gastritis at a JCI-accredited facility.

The clinic has more than 110 specialists and meets European medical standards. Dr. Romero Reina treats gastrocele and other complex gastrointestinal disorders. The hospital maintains international quality certifications and specialized GI infrastructure.

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.