Colonoscopy Doctors Abroad — Page 2

Dr. Bilal Ergul is a gastroenterologist at Lokman Hekim University Ankara Hospital. He is known for performing Peroral Endoscopic Myotomy (POEM) surgery. This procedure treats complex swallowing disorders without external incisions. Dr. Ergul has authored around 100 academic publications on various gastrointestinal topics.

• Specializes in laparoscopic surgery for GERD and gastric polyps removal.
• Treats chronic conditions including Crohn’s disease, ulcerative colitis, and cirrhosis.
• Performs esophagectomy and small intestine resections for complex cases.
• Works at an ISO-certified university hospital that treats 20,000+ patients annually.

Dr. Mehmet Salih Iyikesici is a medical oncologist. His work focuses on metabolically supported chemotherapy (MSCT), ketogenic diet–supported cancer care, hyperthermia, hyperbaric oxygen therapy, and insulin potentiation therapy. He emphasizes care for breast, pancreatic, and gastric cancers.

He is a Medical Oncology Specialist at Neolife Medical Center (2026–present). He previously served at Private Bahçelievler Medical Park (2013–2026), Medicana Beylikdüzü (2010–2013), Silivri Anadolu (2009–2010), Diyarbakır Training and Research (2008–2009), and Bursa Çekirge State (2006–2008). Earlier, he worked as an Internal Medicine Specialist (1997–2003). He was an Assistant Professor at Altınbaş University (2014–2026).

Training: Medical Oncology subspecialty, Marmara University (2003–2006). Internal Medicine, Istanbul Haydarpaşa Numune (1992–1996). Medicine, Uludağ University (1985–1990). Member, Medical Oncology Association (since 2004). His recent research (2019–2020) covers gastric, breast, pancreatic, and lung cancers. Topics include long‑term survival in metastatic pancreatic cancer and feasibility in metastatic non‑small cell lung cancer (NSCLC).

Dr. Tarik Akar is a gastroenterologist and gastrointestinal surgeon at Hisar Hospital Intercontinental in Istanbul. He specializes in early-stage gastrointestinal cancer treatment and complex esophageal conditions. Dr. Akar is an expert in POEM for achalasia and ESD for removing early tumors.

• Trained at Cerrahpaşa School of Medicine and Ankara University.
• Winner of Best Verbal Presentation and Best Poster at the International GI Cancers Congress.
• Authored over 25 papers published in international and local medical journals.
• Performs specialized procedures including G-POEM for gastroparesis and ERCP for bile ducts.

Dr. Mustafa Solak is a clinical oncologist at Hisar Hospital Intercontinental in Istanbul. He completed a fellowship at the prestigious Hacettepe University Cancer Institute. Dr. Solak previously practiced at The University of Texas MD Anderson Cancer Center. He treats a variety of complex cancers, including lung, breast, and gastrointestinal malignancies.

• Specializes in the treatment of testicular, ovarian, and head and neck cancers.
• Performs oncology procedures including chemotherapy, immunotherapy, and targeted therapy.
• Trained at Hacettepe University and Istanbul Sisli Etfal Training Hospital.
• Practices at a JCI-accredited facility that treats over 500,000 patients annually.

Dr. Kivanc Derya Peker is a gastrointestinal surgeon at Hisar Hospital Intercontinental in Istanbul. He co-founded the Hepatopancreatobiliary Surgery unit at Bakırköy Dr. Sadi Konuk Hospital. Dr. Peker completed specialized training at the Mayo Clinic in the United States. He treats complex cancers of the liver, pancreas, and stomach.

• Performed over 400 pancreatic and gastric cancer surgeries to date.
• Completed over 200 liver surgeries and numerous kidney transplants.
• Ranked in the top 3 during his national gastroenterology surgery minor examination.
• Practices at JCI-accredited Hisar Hospital, which serves 500,000 patients annually.

Dr. Suleyman Hilmi Aksoy is a radiologist at Hisar Hospital Intercontinental in Istanbul. He specializes in diagnostic radiology, teleradiology, and interventional radiology. Dr. Aksoy previously held an Assistant Professorship at the Istanbul University Radiology Department. He has contributed to 13 medical congresses with numerous oral and written presentations.

• Member of the European Society of Radiology and the International Society of Radiology.
• Holds certifications from the Turkish Society of Interventional Radiology.
• Performs diagnostic procedures like angiography, CT scans, and biopsies.
• Works at a JCI-accredited hospital that treats over 500,000 patients annually.

Dr. Zulfikar Polat is a professor of gastroenterology at Istanbul Aydın University. He previously practiced at Anadolu Medical Center, an affiliate of Johns Hopkins Medicine. Dr. Polat focuses on hepato-pancreatology and inflammatory intestinal diseases. He serves as an expert in both diagnostic and interventional endoscopic procedures.

• Member of prestigious international societies including AASLD, EASL, and ESGE.
• Authored 45 national and international medical publications.
• Treats complex conditions like Crohn's disease, ulcerative colitis, and cirrhosis.
• Performs specialized procedures including gastric polypectomy and duodenal polyp removal.

Dr. Omer Necip Aytug is a gastrointestinal surgeon and gastroenterologist at Hisar Hospital Intercontinental. He has attained the rank of Professor and specializes in complex digestive tract procedures. Dr. Aytug treats conditions like Crohn's disease, ulcerative colitis, and Barrett's esophagus. He works at a JCI-accredited facility that serves over 500,000 patients every year.

• Performs stomach, gallbladder, and small intestine resections.
• Expert in laparoscopic anti-reflux surgery and duodenal polyp removal.
• Authored numerous papers and book chapters on gastroenterology.
• Conducts advanced diagnostics including capsule endoscopy and colonoscopy with biopsy.

Dr. Engin Tutar is a pediatric gastroenterologist at Hisar Hospital Intercontinental in Istanbul. He is the former head of Pediatric Gastroenterology at Marmara University. Dr. Tutar has delivered over 50 presentations at national and international medical congresses. He specializes in treating complex digestive, liver, and nutritional disorders in children.

• Performs diagnostic and therapeutic endoscopy, including polypectomy and esophageal variceal bleeding control.
• Treats inflammatory bowel disease, Celiac disease, and H. pylori infections.
• Manages chronic pediatric conditions such as growth disorders and liver diseases.
• Works at JCI-accredited Hisar Hospital, which treats over 500,000 patients annually.

Dr. Ayhan Erdemir is a general surgeon at Anadolu Medical Center in Istanbul. He specializes in pancreatic cancer treatment and complex gastrointestinal procedures. Dr. Erdemir is an expert in the Whipple surgery and robotic surgical techniques. He practices at a facility affiliated with Johns Hopkins Medicine.

• Certified in the da Vinci robotic surgery system.
• Completed specialized training in cytoreductive surgery and HIPEC.
• Former assistant professor at Maltepe University Medical School.
• Performs surgeries for breast, stomach, and small intestine cancers.