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. Mayo Clinic requires a referral from a primary care provider before evaluation for bariatric surgery. U.S. patients Online requests Request an appointment at Mayo Clinic Mayo Clinic'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 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 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 PRC-20306115 Patient Care & Health Information Tests & Procedures Biliopancreatic diversion with duodenal switch (BPD/DS)