Security Health Plan Email Format
InsuranceWisconsin, United States201-500 Employees
Security Health Plan of Wisconsin, Inc. is a not-for-profit health insurance plan based at 1515 North Saint Joseph Avenue, Marshfield, Wisconsin 54449, serving customers in Wisconsin and beyond since 1971. It ranks among Wisconsin’s larger regional health plans, being the fourth-largest by revenue and fifth-largest by enrollment. The plan serves about 218,000 members and provides coverage for employees of large and small businesses as well as individuals and families. Security Administrative Services, LLC, operates as a service of Security Health Plan and is a full-service medical third-party administrator licensed in Minnesota, Michigan, Wisconsin and Indiana. In January 2025, Sanford Health Plan announced the acquisition of Security Health Plan as part of a larger merger with the Marshfield Clinic.