Prevea Health, a Green Bay-based physician group has more than 350 primary and specialty care providers, more than 40 health centers and 26 employer-based clinics in the northeastern Wisconsin region as well as the Chippewa Valley in Western Wisconsin. Prevea works in partnership with Hospital Sisters Health System - Eastern Wisconsin Division (HSHS-EWD) providing patients with their choice of four hospitals: HSHS St. Vincent and St. Mary's Hospitals in Green Bay; HSHS St. Nicholas Hospital in Sheboygan; and HSHS St. Clare Memorial Hospital in Oconto Falls; and with Hospital Sisters Health System - Western Wisconsin Division (HSHS-WWD): HSHS Sacred Heart Hospital in Eau Claire, WI; and HSHS St. Joseph's Hospital in Chippewa Falls. Prevea Health, together with HSHS-EWD and Dean Health Plan, jointly own Prevea360 Health Plan, which serves residents of northeast Wisconsin.