Group Health Cooperative of South Central Wisconsin Hospitals & Clinics Group Health Cooperative of South Central Wisconsin Visit Website Request Info 1265 John Q. Hammons Dr. Madison, WI 53717 (608) 251-4156 About Map About We’re a non-profit, member-owned health plan providing high-quality health care services, including primary care and specialty care to over 80,000 members living in and around Dane County, Wisconsin. What's Nearby? Distance: 5 10 15 20 25 50 mi.