Request an appointment By Mayo medical institution Staff Print Mayo medical institution works with hundreds of insurance companies and is an in-network provider for millions of people. In most cases, Mayo medical institution doesn't require a physician referral. Some insurers require referrals, or may have additional requirements for certain medical care. All appointments are prioritized on the basis of medical need. Online requests Request an appointment at Mayo medical institution U.S. patients Telephone requests Mayo medical institution's campus in Phoenix/Scottsdale, Arizona Central Appointment Office 800-446-2279 (toll-free) 8 a.m. to 5 p.m. Mountain time Monday through Friday Mayo medical institution's campus in Jacksonville, Florida Central Appointment Office 904-953-0853 8 a.m. to 5 p.m. Eastern time Monday through Friday Mayo medical institution's campus in Rochester, Minnesota Central Appointment Office 507-538-3270 7 a.m. to 6 p.m. Central time Monday through Friday Mayo medical institution 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 medical institution location. Appointment requests for international patients CON-20304578 Patient Care & Health Information Diseases & Conditions Liposarcoma