| #1 | | | Barcelona, Spain | | 50+ years280+ treatments | Gamma Knife, robotic surgery, microsurgical operations | Complex or hard-to-treat brain tumors | JCI-accredited with advanced neurosurgery techniques, led by Dr. Bartolomé Oliver who specializes in brain tumor surgery. Offers high-precision treatments like Gamma Knife and has performed over 1,100 procedures. | Joint Commission International , European Foundation for Quality Management |
| #2 | | | Barcelona, Spain | | 159+ years14,000+ treatments | — | — | — | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek |
| #3 | | | Madrid, Spain | | 42+ years | Gamma Knife | — | — | Joint Commission International , International Organization for Standardization |
| #4 | | | Madrid, Spain | | 19+ years | Consultation with a neurosurgeon | — | — | World's Best Hospitals 2021 by Newsweek |
| #5 | | | Barcelona, Spain | | 29+ years | — | — | — | Joint Commission International |
| #6 | | | Madrid, Spain | | 39+ years26,000+ treatments | Gamma Knife, Craniotomy, StealthStation ENT Navigation System | Complex or hard-to-reach brain tumors | Uses StealthStation ENT Navigation System for precise surgeries in hard-to-reach areas. Offers Gamma Knife radiosurgery and craniotomy. Part of HM network with advanced cancer treatment facilities. | European Foundation for Quality Management, TÜV AG Сompany Research & Investing Certificate |
| #7 | | | Madrid, Spain | | 19+ years | — | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT |
| #8 | | | Pamplona, Spain | | 64+ years | Gamma Knife, microscopic fluorescence-guided surgery, cellular injections for glioblastoma | Glioblastoma and complex brain tumors | Uses microscopic fluorescence to distinguish tumor cells, achieving 83% complete removal rate. First in Spain to apply cellular injections against glioblastoma. JCI-accredited neurosurgery department. | Joint Commission International , European Society for Medical Oncology |
| #9 | | | Barcelona, Spain | | 31+ years | — | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT |
| #10 | | | Madrid, Spain | | 44+ years | Radiation therapy for brain tumor, Brain tumor surgery | — | — | — |