ANDSURGEONS offers Balloon sinuplasty performed by Dr. Volkert Boudewijn Wreesmann, who trained at Amsterdam University Medical Center and Memorial Sloan-Kettering Cancer Center. With over a decade of surgical experience in the UK and US, Dr. Wreesmann specializes in ENT and head and neck surgery, combining technical precision with patient-centered care. The clinic operates across Andorra, Barcelona, and Menorca, providing personalized treatment in an international setting.