| Turkey | Austria | Spain | |
| Stem cell for diabetes | ≈ $6,500 | ≈ $9,000 | ≈ $6,500 |
| Metabolic surgery | from $4,100 | ≈ $11,500 | from $16,900 |
| Gastric band | from $2,800 | ≈ $7,800 | from $5,600 |
| Bioidentical hormone replacement therapy (BHRT) | from $340 | ≈ $900 | ≈ $900 |
| Biliopancreatic diversion | from $6,000 | ≈ $16,500 | ≈ $12,500 |
Univ. Prof. Dr. Philipp Riss is a leading Austrian endocrine surgeon, specializing in thyroid, parathyroid, and adrenal gland surgery at Wiener Privatklinik.
Professor Anton Luger has published 300+ studies on diabetes and metabolic diseases – his research has shaped modern diabetes treatment in Europe.
Team Leader in Surgical Endocrinology at Vienna General Hospital (AKH) – specializes in complex endocrine conditions including diabetes-related surgeries.
Professor Prager has performed over 3,000 bariatric surgeries – specializing in obesity treatment at Vienna General Hospital.