Request an appointment By Mayo Clinic Staff 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 Mayo Clinic's campus in Phoenix/Scottsdale, Arizona and Jacksonville, Florida Appointments in Psychiatry and Psychology are only available to adult patients who are referred by their Mayo Clinic physician. Please contact your Mayo Clinic physician for more information. Telephone requests Mayo Clinic's campus in Rochester, Minnesota Central Appointment Office 507-538-3270 7 a.m. to 6 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 CON-20257464 Patient Care & Health Information Diseases & Conditions Depression (major depressive disorder)