Gastroenterology Doctors Abroad — Page 12

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.

Małgorzata Kołodziejczak is a specialist at LUX MED Szpital św. Elżbiety and leads the Warsaw Proctology Center as its head and founder. She was elected President of the Polish Club of Coloproctology during the founding meeting on 7 October 2021. Her proctology work includes surgical treatment of hemorrhoids and a patient-centered approach to care.

Dr. Premkamol Patraithikul is a general surgeon with advanced training in minimally invasive techniques. Dr. Patraithikul earned an M.D. from Khon Kaen University. Dr. Patraithikul completed a residency in general surgery at Thammasat University. Dr. Patraithikul completed a fellowship in laparoscopic surgery at Mahidol University (Siriraj Hospital) in Thailand.

Clinical expertise includes laparoscopic and robotic surgery. Practice also covers general surgery, obesity and weight‑management surgery, and surgery for gastrointestinal conditions.

Tomasz Ozimek is a specialist at LUX MED Szpital św. Elżbiety in urology with a PhD (2019) and habilitation (2023) focused on ureterorenoscopy safety and personalized urolithiasis therapy. He holds DEGUM Stufe I and is a Fellow of the European Board of Urology (FEBU). His clinical work includes ureterorenoscopy (ureteroscopy) for stone disease, with a focus on evidence-based, individualized treatment planning.

Adam Tracz is a Hepatologist at the clinic in Warsaw Wesoła. He trained in Internal Medicine at UCK WUM and focused on Hepatology at PIM MSWiA. His consultations cover liver diagnostics and treatment for conditions such as MASLD, alcoholic hepatitis, and autoimmune liver diseases, with abdominal ultrasound available.

Bartosz Małek is a General Surgeon, Phlebologist, and Endoscopist at the clinic in Warsaw Wesoła. He performs colonoscopy and gastroscopy and consults in Polish and English. He works with adult patients (from 18 years) and has experience across surgical and vascular outpatient settings in Warsaw and Otwock.

Dariusz Maj is a Gastroenterologist and Ultrasonographer at the clinic in Warsaw Targówek. He offers ultrasound-based diagnostics and gastroenterology work-up, including hepatitis C evaluation. His clinical background includes extensive internal medicine and emergency experience during military service (1996–2016) and later hospital work.

Abdullah ALTINTAŞ is an Internal Medicine specialist at BHT CLINIC Istanbul Tema Hospital. His listed focus spans hypertension, liver and kidney diseases, gastrointestinal conditions, and rheumatic/inflammatory joint diseases. For international patients, he is also listed for consultations across rheumatology, oncology, hepatology, gastroenterology, and nephrology.

Yavuz AKINCIOĞLU is a Specialist in Internal Medicine at BHT CLINIC Istanbul Tema Hospital. His listed focus includes diabetes, hypertension, obesity, thyroid diseases, insulin resistance, and hyperlipidemia, plus internal medicine problems in pregnancy. He practices in Istanbul with appointments scheduled through the clinic.

Halil YANARDAĞ is a Prof. Dr. in Internal Medicine at BHT CLINIC Istanbul Tema Hospital. His listed focus includes hypertension, liver diseases, rheumatic diseases, anemias, sarcoidosis, and kidney diseases, along with gastrointestinal conditions such as GERD and irritable bowel syndrome. He provides adult internal medicine care in Istanbul with appointments scheduled through the clinic.

Dila ABDİK is a dietitian at BHT CLINIC Istanbul Tema Hospital. Her listed focus includes bariatric and nutrition, weight loss, pregnancy and lactation nutrition, disease-related nutrition, and clinical nutrition. She provides obesity/weight management support in Istanbul with appointments scheduled through the clinic.

Dr. Kirachima Nuanthong is a licensed regenerative medicine physician at Miracle Regenerative Center (Medical License No. 69306, Medical Council of Thailand). At the clinic, she leads physician-led consultations for immune balance, liver health, and metabolic well-being planning. She also supports IV nutrient support and hydration programs, including plans for 30–60 minute sessions.

Dr. Pongsathron Liengwattanakol is a licensed physician at Miracle Regenerative Center (Medical License No. 46150, Medical Council of Thailand). He medically reviews clinic education on conditions such as plantar fasciitis and gut health/immunity, including articles dated May 26, 2026 and June 18, 2026. At the clinic, he also leads peptide support consultations using structured assessments, personalised care planning, and ongoing follow-up.

Natalia Zinoviivna Pozur is a specialist at FrankoMed working as a gastroenterologist and general physician. She provides consultations with a gastroenterologist as well as with a physician. The clinic is located in Ivano-Frankivsk at Yevhena Konovaltsia St, 23.

Santos Jiménez de los Galanes Marchán is a specialist at the clinic focused on robotic and laparoscopic abdominal surgery. He developed Laser Hemorrhoidoplasty (LHP), a minimally invasive hemorrhoid approach using laser technology and a bio-stimulating substance from the patient. His work has been recognized by La Razón with the “Medical Doctor of the Year” award for innovation in robotic and minimally invasive digestive surgery (2025).

Rajan Madan is a specialist at the clinic in GI and Minimally Invasive & Bariatric Surgery at BLK-max Super Specialty Hospital, Delhi. His profile lists 42+ years of experience. For gastroenterology and weight loss surgery evaluation within the clinic network, this profile provides a long-standing surgical and GI focus.