Cottage Grove (Ore.) Community Medical Center. Cottage Grove Community Medical Center is part of Vancouver, Wash.-based PeaceHealth. The 14-bed hospital is located about 130 miles from Portland, Ore. This year, for the first time, Cottage Grove Community Medical Center was named as a Top 100 Critical Access Hospital by iVantage Health Analytics. iVantage also named the hospital as a HealthStrong Hospital this year, meaning it is a top performer across 62 different performance metrics, like quality, outcomes, patient perspective, affordability and efficiency.