| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (414 reviews) | Istanbul, Turkey | 29+ years | Consultation with an otolaryngologist, Consultation with creation of treatment plan | — | — | International Organization for Standardization, Joint Commission International | ||
| #2 | 5.0 / 5 (3 reviews) | Istanbul, Turkey | — | — | Endoscopic Sinus Surgery | — | — | Turkish Medical Association | |
| #3 | 4.6 / 5 (534 reviews) | Istanbul, Turkey | 36+ years | Hearing check-up, Consultation with an otolaryngologist | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #4 | 5.0 / 5 (1 review) | Madrid, Spain | — | — | Endoscopic Sinus Surgery | — | — | Joint Commission International , International Organization for Standardization | |
| #5 | 2.6 / 5 (0 reviews) | Dusseldorf, Germany | — | — | Endoscopic Sinus Surgery | — | — | International Accreditation System for Interventional Oncology Services (IASIOS), German Cancer Society |