| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.0 / 5 | Poznan, Poland | 32+ years1,000+ treatments | FESS, biological therapy, computed tomography planning | Nasal polyps linked to asthma, allergies, or aspirin sensitivity | Shaver-assisted endoscopic sinus surgery removes polyps, limiting tissue damage and bleeding. Biologic therapy offered for severe chronic rhinosinusitis. Surgeons trained at Klinikum Kassel and Zurich. | — |