Jack P. Leventhal

Mayo Clinic provided medical care. The firm offered healthy living program, mayo clinic membership and health letter, medical products, population health and wellness programs, health plan administration, medical laboratory services and continuing education for medical professionals. The company was founded by William J. Mayo in 1919 and was headquartered in Rochester, MN.

Mayo Clinic Jacksonville provides health care services. It specializes in transplant program, including bone-marrow, heart-lung, kidney, and pancreas. The company was founded in 1986 and is headquartered in Jacksonville, FL.