Request an appointment By Mayo Clinic Staff Print U.S. patients Online requests Request an appointment at Mayo Clinic Telephone requests Mayo Clinic's campus in Phoenix/Scottsdale, Arizona Central Appointment Office 480-301-8484 8 a.m. to 5 p.m. Mountain time Monday through Friday Larynx and Trachea Transplant Program Email Head and Neck Regenerative Medicine at HNRM@mayo.edu Mayo Clinic's campus in Jacksonville, Florida Central Appointment Office 904-953-0853 8 a.m. to 5 p.m. Eastern time Monday through Friday Mayo Clinic's campus in Rochester, Minnesota Cardiovascular Medicine 507-284-3994 8 a.m. to 5 p.m. Central time Monday through Friday Cardiovascular Surgery 507-255-2000 8 a.m. to 5 p.m. Central time Monday through Friday Mayo Clinic Children's Center Central Appointment Office (Minnesota) 855-MAYO-KID (855-629-6543, toll-free) 7 a.m. to 6 p.m. Central time Monday through Friday International patients International patients can request an appointment at any Mayo Clinic location. Appointment requests for international patients PRC-20235775 Patient Care & Health Information Tests & Procedures Cardiac ablation