| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.2 / 5 | Warsaw, Poland | 47+ years | Septoplasty (Deviated Septum Surgery), Adenoid Removal | — | — | — | ||
| #2 | 4.0 / 5 (1) | Warsaw, Poland | 20+ years20,000+ treatments | Adenoid Removal, Tonsillectomy | — | — | Given to the doctor International Society of Aesthetic Plastic Surgery (ISAPS) Сertificate | ||
| #3 | 4.8 / 5 (16) | Seoul, Republic of Korea | 8+ years1,000+ treatments | Septoplasty (Deviated Septum Surgery) | — | — | Korean Institute for Healthcare Accreditation | ||
| #4 | 5.0 / 5 (3) | Madrid, Spain | — | — | Nasal Endoscopy | — | — | Joint Commission International , International Organization for Standardization | |
| #5 | 4.1 / 5 | Warsaw, Poland | — | — | Nasal Endoscopy | — | — | — | |
| #6 | 5.0 / 5 (1) | Tekirdag, Turkey | — | — | Nasal Endoscopy | — | — | American Accreditation Commission International | |
| #7 | — / 5 | Incheon, Republic of Korea | 76+ years | Adenoid Removal, Nasal polyp surgery | — | — | Advanced Regenerative Medicine Implementation Institution (Ministry of Health and Welfare, Republic of Korea), Korean Institute for Healthcare Accreditation | ||
| #8 | 2.6 / 5 | Dusseldorf, Germany | — | — | Nasal Endoscopy | — | — | International Accreditation System for Interventional Oncology Services (IASIOS), German Cancer Society | |
| #9 | 5.0 / 5 | Baku, Azerbaijan | — | — | Nasal Endoscopy | — | — | ISO 9001:2015 Quality management systems, ISO 45001 (Occupational Health and Safety Management) | |
| #10 | 5.0 / 5 | Barcelona, Spain | 15+ years5,000+ treatments | Nasal Endoscopy | — | — | — |