| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (419) | Istanbul, Turkey | 29+ years | Consultation with an otolaryngologist, Consultation with creation of treatment plan | — | — | International Organization for Standardization, Joint Commission International | ||
| #2 | 4.2 / 5 | Warsaw, Poland | 47+ years | Endoscopic Sinus Surgery, Nasal Endoscopy | — | — | — | ||
| #3 | 5.0 / 5 (3) | Istanbul, Turkey | — | — | Endoscopic Sinus Surgery | — | — | Turkish Medical Association | |
| #4 | 4.6 / 5 (536) | Istanbul, Turkey | 36+ years | Hearing check-up, Consultation with an otolaryngologist | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #5 | 5.0 / 5 (1) | Madrid, Spain | — | — | Endoscopic Sinus Surgery | — | — | Joint Commission International , International Organization for Standardization | |
| #6 | 2.6 / 5 | Dusseldorf, Germany | — | — | Endoscopic Sinus Surgery | — | — | International Accreditation System for Interventional Oncology Services (IASIOS), German Cancer Society | |
| #7 | — / 5 | Incheon, Republic of Korea | 76+ years | Endoscopic Sinus Surgery | — | — | Advanced Regenerative Medicine Implementation Institution (Ministry of Health and Welfare, Republic of Korea), Korean Institute for Healthcare Accreditation | ||
| #8 | 3.8 / 5 | Ivano-Frankivsk, Ukraine | — | — | Endoscopic Sinus Surgery | — | — | — | |
| #9 | 4.5 / 5 | Warsaw, Poland | 20+ years20,000+ treatments | Endoscopic Sinus Surgery | — | — | Given to the doctor International Society of Aesthetic Plastic Surgery (ISAPS) Сertificate | ||
| #10 | 4.8 / 5 | Istanbul, Turkey | — | Endoscopic Sinus Surgery | — | — | — |