CHI - Mercy Medical Center - Roseburg - Roseburg - OR. Health (9 days ago) Mercy started with a $12,000 gift from the Roseburg community. That's the sum the Sisters of Mercy raised to construct Roseburg's first hospital more than 50 years after the city was founded. The 25-bed Mercy Hospital was dedicated on Feb. 22, 1909, just four months after construction began..