Mayo Clinic in Arizona combines expert, comprehensive, and integrated care with a seamless patient experience to provide exactly the care you need. Located in Phoenix, Mayo Clinic Hospital in Arizona is a seven-story facility with 316 licensed beds, 33 operating rooms and an emergency department. Health services within the hospital include diagnostic imaging, inpatient care, lung testing, noninvasive heart tests, and a transplant center. We accept many insurance plans and have established arrangements with many different types of health care insurers. Often, a referral is not needed to come to Mayo Clinic.