Mercer County Community Hospital - Coldwater (Ohio). Mercer County Community Hospital – Coldwater serves as the anchor facility for Mercer Health, which was founded in 1950. Mercer County Community Hospital – Coldwater has more than 75 physicians and eight locations across the county. Last February, the hospital announced an expansion project to its west wing that will add 54,000 square feet for a new surgical suite, private inpatient rooms and space for outpatient services.
