Bellin Health serves northeastern Wisconsin and the Upper Peninsula of Michigan.

In 1908, Dr. Julius Bellin founded the Deaconess Sanitarium in a house he owned in Green Bay, Wisconsin.

[1] In 2006, Bellin Health opened their first FastCare clinics in area Shopko stores.

[8] In 2016, Bellin Health broke ground on a new sports medicine and orthopedics clinic in the Green Bay Packers Titletown District.

[10] In January, the company was accepted into the Medicare and Medicaid Next Generation Accountable Care Organization Model pilot program.

[2] On June 6, 2022 Bellin announced that it intended to merge with the La Crosse-based Gundersen Health System.