| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (441 reviews) | Barcelona, Spain | 42+ years23,000+ treatments | Balloon sinuplasty, minimally invasive techniques, endoscopic sinus surgery | Chronic sinusitis patients | Provides specialized balloon sinuplasty with Dr. Coromina’s expert team. JCI-accredited clinic, offers comprehensive care, including pre-operative planning and follow-up. | Joint Commission International , European Foundation for Quality Management | ||
| #2 | 4.5 / 5 (0 reviews) | Madrid, Spain | — | — | Balloon sinuplasty | — | — | Joint Commission International , International Organization for Standardization | |
| #3 | 5.0 / 5 (0 reviews) | Barcelona, Spain | — | — | Balloon sinuplasty | International patients needing sinus relief | UK- and US-trained ENT specialists perform balloon sinuplasty with minimally invasive techniques. Clinic operates across multiple locations with multilingual staff and modern diagnostic technologies. | — |