| Turkey | Austria | Spain | |
| Gastric sleeve surgery (Sleeve gastrectomy) | from $3,200 | from $15,000 | from $8,500 |
| Gastric bypass | from $5,000 | from $13,000 | from $12,000 |
| Gastric band | from $4,275 | from $14,000 | from $7,500 |
| Gastric balloon | from $1,675 | from $5,000 | from $3,500 |
| Endoscopic sleeve gastroplasty (ESG) | from $2,840 | from $12,000 | from $5,500 |
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.