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 »New Oregon Health Authority Report Details Health Care Spending TrendsOHA 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 Procedures