Best Gastroscopy with Biopsy Doctors Abroad

Dr. Lorenzo Silva Hernández is a neurologist at the Publio Cordón Memorial Hospital in Madrid. He diagnoses and treats polyneuropathy and neurodegenerative diseases. Dr. Silva Hernández uses transcranial magnetic stimulation (TMS) for neurological rehabilitation. He treats conditions such as muscular dystrophy and polyradiculoneuritis.

The hospital is JCI-accredited and has 114 doctors across different specialties. The neurology department provides diagnostic testing and long-term recovery plans. Dr. Silva Hernández manages chronic nerve and muscle disorders alongside other specialists at the center.

Dr. Nuria Gonzalez Garcia is a neurologist at Publio Cordon Memorial Hospital in Madrid. She treats chronic pain and complex headaches. The hospital holds JCI accreditation for healthcare safety and quality.

The clinic is a medical hub in Spain with 110 doctors. It holds certifications from the European Society of Human Reproduction and Embryology. Dr. Garcia performs neurological diagnostics to help patients manage long-term pain. She works in a private medical center in Madrid.

Career

2007Graduated from Nihon University School of Medicine

2007Nihon University School of Medicine Itabashi Hospital

2010Department of Gastroenterological Surgery, Showa Public Hospital

2011Department of Gastroenterological Surgery, Nihon University Nerima Hikarigaoka Hospital

2013Sakura General Hospital, Department of Gastroenterological Surgery

2015Vice Director of Jiyugaoka Medical Plaza

2021Chairman and Director of Medical Corporation HELENE

Affiliations and Certifications

Japanese Society of Gastroenterological Surgery

Gastroenterological Society

Society of Emergency Abdominal Surgery

Dr. Nikolaos Papadopoulos, MD, PhD, is an internist with expertise in hepatology and over 25 years of hospital practice. He is the Director of the Internal Medicine Department at IASYS Clinic. He supervises inpatient care, promotes patient safety, and coordinates comprehensive management, including surgical and other complex cases.

He graduated from the Medical School of the Aristotle University of Thessaloniki (SSAS). He completed his specialty training in Internal Medicine at Sotiria General Hospital and trained in clinical hepatology at Hippokration. He earned a PhD from the National and Kapodistrian University of Athens. He led the 2nd Department of Internal Medicine at the 401 General Military Hospital of Athens (401 GMHA) and has served at both 401 GMHA and NIMTS. He has numerous publications in international journals and is an active conference participant.

Prof. Dr. Gül Alço is a radiation oncologist with about 27 years of experience. She treats breast, lung, prostate, gastrointestinal, gynecologic, central nervous system, head and neck, soft tissue, and bone cancers with radiotherapy.

Her expertise includes adaptive radiotherapy and radiosurgery. She uses advanced radiation techniques to provide personalized, evidence-based care in a multidisciplinary, patient-centered setting.

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.

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.