Hospital Ruber Internacional
| Turkey | Austria | Spain | |
| Endoscopic Sinus Surgery | from $2,500 | from $3,500 | from $3,000 |
| Balloon sinuplasty | from $2,000 | from $4,500 | from $2,500 |
Dr. Wreesmann specializes in head and neck surgeries, having performed 1,200 major oncologic resections during his fellowship at Memorial Sloan-Kettering Cancer Center.
Dr. Oomen specializes in pediatric and adult ENT, with a PhD focusing on the pterygopalatine ganglion – key to chronic sinusitis treatment.