Oregon Association of Hospitals and Health Systems By Jaz-Michael King on May 2, 2008 Share this: Oregon Association of Hospitals and Health Systems Frequency: Quarterly Measure Type: Utilization Oregon Association of Hospitals and Health Systems was last modified: December 17th, 2020 by Jaz-Michael KingShare this: Published in Oregon Hospitals Jaz-Michael King More from OregonMore posts in Oregon »OHA Report Finds Oregon Health Care Costs Rose 49% between 2013-2019Report Finds Oregon Health Care Costs Rose 49% Between 2013 and 2019Report on Impact of Health Care Costs on People in OregonNew OHA Data Show Commercial Hospital Prices Compared to Medicare Prices for Same ProceduresOregon Moves Towards Curbing Health Care Costs Via Legislature