| Turkey | Austria | Spain | |
| Transnasal resection of tumor | from $8,000 | from $30,000 | from $20,000 |
| Radiation therapy for colorectal cancer | from $7,000 | from $12,000 | from $10,000 |
| Pituitary tumor surgery | from $13,500 | from $30,000 | from $25,000 |
| Gamma Knife | from $6,300 | from $32,000 | from $18,000 |
| Craniotomy | from $5,650 | from $20,000 | from $25,000 |
Head of Functional Neurosurgery at Ruber International Hospital – specializes in precise, minimally invasive treatments for pituitary adenomas.
Head of the Department of Neurosurgery at HM Hospitales Clinic – Dr. Diamantopoulos Fernández leads a specialized neurosurgery team.
Dr. Luis Madero is the Head of Pediatric Hemato-Oncology at Quironsalud Madrid University Hospital. He specializes in treating complex blood disorders and performing bone marrow transplants. Dr. Madero serves as a Professor of Pediatrics at the Autonomous University of Madrid. He works at Quironsalud Madrid, which Newsweek ranked among the World's Best Hospitals.
The doctor received training in Family Medicine at Laval University in Quebec and has 15 years of experience in Emergency Medicine at McGill and University of Montreal Teaching Hospitals. The doctor has published numerous articles, served on various committees, and held a lecturer position in Family Medicine at the University of Montreal.
Currently based in Madrid, Spain, the doctor sees patients at private medical offices, teaches at St. Pablo CEU Medical School, and serves as a medical advisor for the European Space Agency. Additionally, the doctor is the National Consulting Physician in Spain for Air France and KLM airlines and is the Chief of the Executive Health Program at the Hospital de Madrid.