Mayo Clinic is a private American academic medical center focused on integrated healthcare, education, and research. It maintains three major campuses in Rochester, Minnesota; Jacksonville, Florida; and Phoenix/Scottsdale, Arizona.
Mayo Clinic employs over 7,300 physicians and scientists, along with another 66,000 administrative and allied health staff. The practice specializes in treating difficult cases through tertiary care and destination medicine. It is home to the top-15 ranked Mayo Clinic Alix School of Medicine in addition to many of the highest regarded residency education programs in the United States. It spends over $660 million a year on research and has more than 3,000 full-time research personnel.