Costs and insurance 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. Learn more about appointments at Mayo Clinic. Please contact your insurance company to verify medical coverage and to obtain any needed authorization prior to your visit. Often, your insurer's customer service number is printed on the back of your insurance card. More information about billing and insurance: Mayo Clinic in Arizona, Florida and Minnesota Mayo Clinic Health System Request an Appointment at Mayo Clinic The Mayo Clinic experience & patient storiesNews from Mayo Clinic Nov. 02, 2019 Print Share on: FacebookTwitter EndocrinologySectionsRequest an appointmentOverviewTests & proceduresConditions treatedDoctorsSpecialty groupsLocations, travel & lodgingClinical trialsResearchThe Mayo Clinic experience & patient storiesCosts & insuranceNews from Mayo ClinicResources for medical professionals SectionsRequest an appointmentOverviewTests & proceduresConditions treatedDoctorsSpecialty groupsLocations, travel & lodgingClinical trialsResearchThe Mayo Clinic experience & patient storiesCosts & insuranceNews from Mayo ClinicResources for medical professionals ORG-20392484 Departments & Centers Medical Departments & Centers Endocrinology