Winnebago Mental Health Institute
4100 Treffert Dr · Winnebago, Wisconsin 54901Winnebago Mental Health Institute (WMHI) is a state-operated psychiatric hospital in Winnebago, Wisconsin, providing long-term inpatient care for individuals with severe and persistent mental illness. Established in 1873, it offers specialized programs including forensic services, competency restoration, and treatment for co-occurring disorders. WMHI operates under the Wisconsin Department of Health Services and focuses on comprehensive psychiatric treatment rather than emergency medical services.

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