John McKenna is a board certified family medicine physician. He obtained his undergraduate degree from the University of Wisconsin-Madison and earned his medical degree from the University of Wisconsin School of Medicine and Public Health-Madison. He completed his internship and residency at the University of Wisconsin Hospitals and Clinics - SSM Health St. Mary's Hospital-Madison.

McKenna's practice is focused on integrative medicine, tobacco cessation, and women's health.

Dr. McKenna served in the military at the U.S. Naval Nuclear Training Schools in South Carolina and New York and on the U.S. Naval nuclear submarine USS Minneapolis-St. Paul.

In his free time, Dr. McKenna enjoys spending time with his family, bicycling, and gardening.