Jennifer Ely, DO. Market Medical Director University of Michigan Health-Sparrow. Dr. Ely is a pulmonary, critical care and sleep physician in the Lansing area practicing at University of Michigan Health-Sparrow for 20 years. She holds several other leadership positions including the program director of the pulmonary and critical care fellowship at University of Michigan Health-Sparrow, Chair of the Department of Internal Medicine at University of Michigan Health-Sparrow and medical director of the University of Michigan-Health sleep labs at St. Lawrence campus and UMH-Sparrow Clinton.