Health Maintenance Organizations (HMO) Health Maintenance Organizations (HMO) {Directory Results} Search Radius... 1 mi 5 mi 10 mi 50 mi 100 mi Health Maintenance Organizations (HMO) Results: 2 Group Health Cooperative of Eau Claire 2503 N. Hillcrest Parkway, PO Box 3217, Altoona, WI 54720-3217 (715) 552-4300 Visit Website Security Health Plan of Wisconsin Security Health Plan of Wisconsin 1515 North Saint Joseph Ave, PO Box 8000, Marshfield, WI 54449 (715) 221-9555 Visit Website Powered By GrowthZone