In May 2020, John Medeiros integrated his corporate immigration law firm, Myers Thompson Medeiros, into Minneapolis-based Nilan Johnson Lewis. In addition to his work on U.S. immigration matters for domestic and foreign companies, he works pro bono for many clients.

Medeiros currently chairs the Minnesota/Dakotas Chapter of the American Immigration Lawyers Association (AILA). In addition, he also recently co-edited Queer Voices: Poetry, Prose, and Pride, an anthology of local LGBTQA writers published by the Minnesota Historical Society Press.