Request an appointment Print Mayo Clinic works with hundreds of insurance companies and is an in-network provider for millions of people. In most cases, Mayo Clinic 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. 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 Feb. 23, 2024 Print Share on: FacebookTwitter International patients International patients can request an appointment at any Mayo Clinic location. Appointment requests for international patients ORG-20562430 Medical Departments & Centers Early Onset and Hereditary GI Cancers Program