Mayo Clinic

Mayo Clinic is the largest integrated, not-for-profit medical group practice in the world, committed to clinical practice, education, and research. Founded almost 150 years ago by brothers Will and Charlie Mayo, it operates major campuses in Rochester, Minnesota, Arizona, and Florida, providing whole-person care and pioneering innovations in healthcare. Mayo Clinic is ranked the No. 1 hospital in the world and serves over 1.3 million patients annually from more than 130 countries.