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The Bookimed clinic ranking is based on data science algorithms, providing a trusted, transparent, and objective comparison. It takes into account patient demand, review scores (both positive and negative), the frequency of updates to treatment options and prices, response speed, and clinic certifications.

RankClinic NamePatient RatingCountryLead DoctorexperienceTechniquesBest ForWhy It’s RankedAccreditations
#1
4.7 / 5
(486)
Barcelona, Spain
76+ years23,000+ treatments
Keytruda (pembrolizumab) immunotherapy, molecular profilingLung cancer patients needing continued immunotherapyJCI-accredited clinic with Dr. Sullivan's 16 years of lung cancer specialization. Offers personalized treatment plans including Keytruda continuation after thorough response assessment.Joint Commission International , European Foundation for Quality Management
#2
4.6 / 5
(5)
Barcelona, Spain
37+ years
Immunotherapy for lung cancerEuropean Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT