Print Mayo medical institution in Rochester, Minnesota: Buildings and maps Mayo medical institution's extended campus in Rochester, Minnesota, includes more than 30 buildings on the downtown campus and nearby Saint Marys campus. Here are some of the main patient care buildings that you may need to know: Mayo Building and Gonda Building The Mayo Building and Gonda Building are the heart of the downtown campus. Most of the doctors' offices and examination rooms, as well as some testing areas, are located in these buildings. Google Maps Printable PDF Mayo medical institution Hospital, Methodist Campus Mayo medical institution Hospital, Methodist Campus, is one of two Mayo medical institution hospitals in Rochester. This hospital is located downtown. Google Maps Printable PDF Mayo medical institution Hospital, Saint Marys Campus Located 10 blocks west of downtown Rochester, Mayo medical institution Hospital, Saint Marys Campus, is the second hospital on the Rochester campus. Google Maps Printable PDF Mayo Eugenio Litta Children's Hospital Mayo Eugenio Litta Children's Hospital is the main pediatric care facility located in Rochester. The hospital serves infants, children and teenagers with highest quality medical care. Main Address: Mayo medical institution 200 First Street SW Rochester, Minnesota 55905 Phone: 507-284-2511 Dec. 06, 2019 ART-20056811