Best Paediatric Check-Up Doctors Abroad

Dr. Cengiz Koksal is a cardiovascular surgeon at Medipol Acibadem District Hospital in Istanbul. He is the only physician in Turkey authorized to train others in off-pump mitral valve repair. Dr. Koksal specializes in minimally invasive heart surgery and beating-heart techniques. He has performed over 2,000 open-heart and vascular procedures.

• Winner of the Physician of the Year award at the Ibn Sina Medical Awards.
• Former President of the National Vascular and Endovascular Surgery Association.
• Provides expert treatment for complex mitral valve repair and carotid artery surgery.
• Authored over 150 scientific publications and edited a major vascular surgery textbook.

Dr. Murat Ugurlucan is a professor and cardiovascular surgeon at Biruni University Hospital in Istanbul. He specializes in heart valve replacement and surgery for congenital heart defects in children. Dr. Ugurlucan completed a research fellowship at the University of Rostock in Germany. He also trained at the King Faisal Heart Institute in Saudi Arabia.

• Winner of the national vascular surgery oral presentation award.
• Performs open heart surgery, coronary bypass, and carotid endarterectomy.
• Treats complex conditions like Tetralogy of Fallot and atrial septal defects.
• Works at TEMOS-accredited Biruni University Hospital with 15 operating rooms.

Dr. Pichayanith Sroysuwan is a physician at Harmony Life Center in Bangkok. He holds dual certification from the American Board of Anti-Aging & Regenerative Medicine. He specializes in personalized wellness, stem cell therapy, and restorative medicine. Dr. Sroysuwan has completed over 63,000 procedures throughout his career.

• Certified by the American Board of Laser Surgery.
• Treats chronic conditions using NAD+ therapy, chelation, and ozone therapy.
• Performs regenerative treatments for knee osteoarthritis and stroke rehabilitation.
• Trained in aesthetic dermatology and botulinum toxin rejuvenation.

Dr. Natthaphon Suwan is a regenerative medicine specialist at Harmony Life Center in Bangkok. He is certified by the American Board of Anti-Aging and Regenerative Medicine (ABAARM). Dr. Suwan specializes in longevity health, stem cell therapy, and hormonal health. He treats patients at Harmony Life Center, which helps over 1,500 people annually.

• Performs IV therapies for detoxification, nutrition, and skin rejuvenation.
• Provides stem cell therapy for facial aesthetics, joint health, and whole-body wellness.
• Specializes in male hormone evaluation and testosterone replacement therapy.
• Conducts genetic cancer risk screening and NK cell therapy.

Dr. Ertugrul Okuyan is an interventional cardiologist at Medipol Acibadem District Hospital in Istanbul. He specializes in treating structural heart disease and complex valve disorders. Dr. Okuyan serves as the Vice President of the Turkish Society of Cardiology. He is also a member of the European Society of Cardiology.

• Performs non-surgical valve repairs including MitraClip and TriClip procedures.
• Treats arterial blockages and aneurysms using balloon and stent interventions.
• Former president of the Turkic World Cardiology Association.
• Faculty member at the Istanbul Medipol University School of Medicine.

Dr. Ilker Tolga Özgen is a professor of pediatric endocrinology at Biruni University Hospital in Istanbul. He won multiple first prizes for research on Turner syndrome and precocious puberty. Dr. Özgen treats growth retardation, diabetes, and thyroid disorders. He serves patients at a TEMOS-accredited university hospital in a modern campus.

• Specializes in puberty problems and menstrual irregularities in adolescent girls.
• Treats metabolic issues including obesity and adrenal gland disorders.
• Clinical focus includes pituitary disorders and genital abnormalities in boys.
• Member of the Pediatric Endocrinology and Diabetes Association.

Dr. Didem Melis Oztas is a cardiovascular surgeon at Biruni University Hospital in Istanbul. She specializes in pediatric cardiac surgery and congenital heart defects. Dr. Oztas won a national award for her research on cardiovascular stem cells.

• Performs specialized surgeries for Tetralogy of Fallot and Atrial Septal Defects.
• Treats complex pediatric heart conditions including ventricular septal defects.
• Expert in pediatric valve replacements and plastic surgery for cardiac valves.
• Works at a TEMOS-accredited university hospital with 15 operating rooms.

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.

The doctor is a distinguished cardiology specialist with extensive clinical experience, having earned a medical degree from Hacettepe University in 2004 and completed cardiology specialization at Gazi University in 2010. Achieving the rank of Professor in 2024, the doctor has served at several prominent institutions, including Ankara Turkey Higher Specialized Hospital and Ankara Bilkent City Hospital.

The doctor specializes in preventive cardiology, hyperlipidemia, hypertension, and heart failure, with significant expertise in interventional procedures such as coronary angiography, stent and balloon treatments, and complex coronary interventions. The doctor is also skilled in cardio-oncology, rhythm disorders, and advanced imaging techniques like TEE.

Dr. Deniz Suha Kucukaksu is a cardiovascular surgeon at Başkent University Istanbul Hospital. He pioneered mechanical circulatory support and artificial heart programs in Turkey. Dr. Kucukaksu specializes in adult and pediatric heart transplantation. He completed fellowships at institutions in the US, Germany, and France.

• Director of the Heart Transplantation and Artificial Heart Center.
• Performs off-pump coronary bypass, valve replacements, and complex aortic repairs.
• Expert in LVAD systems and total artificial heart surgery.
• Established heart transplant centers at several major medical institutions.

Dr. Sotirios Papathanasiou, MD, PhD, is an interventional cardiologist and arrhythmologist with over 20 years of experience. He is certified in interventional cardiology by EAPCI and the ESC. His expertise includes coronary artery disease, cardiac arrhythmias (including atrial fibrillation), heart failure, valvular disease, and congenital heart disease. He performs coronary angiography, angioplasty, and pacemaker implantation.

Education: Medical degree from the University of Ioannina School of Medicine. PhD from the National and Kapodistrian University of Athens (1999–2005). Postgraduate degree in interventional cardiology from the University of Athens. Training: Hippokrateion Hospital (University Cardiology Department), Alexandra Hospital, Onassis Cardiac Surgery Center, and Attikon Hospital. Affiliations: European Society of Cardiology (ESC), EAPCI, Hellenic Cardiological Society, and Hellenic Society of Lipidology and Atherosclerosis.

Languages: Greek and English.

The doctor is an accomplished academic and surgeon specializing in endourology, uro-oncology, robotic surgery, and andrology. With a medical degree from Gazi University and specialized training from Ankara Training and Research Hospital, the doctor attained the rank of professor in 2022. The clinical practice focuses on minimally invasive techniques, including robot-assisted laparoscopic surgery, HoLEP, RIRS, and PNL for conditions such as kidney stones, prostate and bladder cancers, and male reproductive health.

An active educator and researcher, the doctor serves as an instructor for advanced surgical techniques and holds certifications in da Vinci robotic technology. The doctor is a member of several prestigious organizations, including the European Association of Urology.

Assoc. Prof. Orhan Ünal Zorba, MD, is a urologist focused on andrology and endourology. He has about 25 years of experience. He currently sees patients at Private TUSA Hospital. He started there on 8 June 2026.

His academic work includes 29 international and 13 national publications and 7 book chapters. He has given at least 9 presentations at international congresses. His studies have been presented at EAU, ESSM, ICS, and EULIS meetings. He served as Assistant and Associate Professor of Urology from 2009 to 2016. He is a member of the Istanbul Medical Chamber, the Turkish Association of Urology, the Turkish Society of Andrology, and the Eastern Black Sea Association of Urologists.

Key areas include male infertility (micro‑TESE; outcomes in 191 patients with non‑obstructive azoospermia), microsurgical varicocele repair, prostate surgery (HoLEP, TURP), endoscopic stone surgery (URS, PCNL), and uro‑oncology. He speaks English.