| Turkey | Austria | Spain | |
| Gastric sleeve surgery (Sleeve gastrectomy) | from $3,294 | from $15,000 | from $15,505 |
| Gastric bypass | from $5,000 | from $13,000 | from $27,336 |
| Gastric band | from $4,275 | from $14,000 | from $16,539 |
| Gastric balloon | from $2,582 | from $5,000 | from $7,230 |
| Endoscopic sleeve gastroplasty (ESG) | from $2,840 | from $12,000 | from $11,478 |
Dr. Aurelio López Guerra is an endocrinologist at Publio Cordón Memorial Hospital in Madrid. He treats thyroid disease, hyperparathyroidism, and type 2 diabetes. Dr. López Guerra manages hormonal care for patients undergoing weight loss surgery and works with obesity management and diagnostic endocrinology. The hospital is accredited by the Joint Commission International and is a member of the European Society of Human Reproduction and Embryology. He works with a team of over 100 specialists at this Spanish medical center.