| MID-COLUMBIA MEDICAL CENTER AUXILIARYThe Dalles, OR · Active | The Dalles, OR | Other | Nov 6, 2014 | Active |
| ADVENTIST HEALTH HOME CARE SERVICESLocation not reported, OR · Active | Location not reported, OR | Other | Dec 5, 2014 | Active |
| ADVENTIST HEALTH HOSPICEPortland, OR · Active | Portland, OR | Other | Dec 31, 2014 | Active |
| CELILO CANCER CENTERThe Dalles, OR · Active | The Dalles, OR | Other | Jan 27, 2016 | Active |
| COLUMBIA CREST SPECIALTY CLINICThe Dalles, OR · Active | The Dalles, OR | Other | Jan 27, 2016 | Active |
| MCMC SURGICAL CLINICThe Dalles, OR · Active | The Dalles, OR | Other | Jan 27, 2016 | Active |
| COLUMBIA CREST MEDICAL CLINICThe Dalles, OR · Active | The Dalles, OR | Other | Jan 27, 2016 | Active |
| MCMC FAMILY MEDICINEThe Dalles, OR · Active | The Dalles, OR | Other | Jan 27, 2016 | Active |
| ORTHOPEADIC SERVICES AT MCMCThe Dalles, OR · Active | The Dalles, OR | Other | Jan 27, 2016 | Active |
| MCMC OCCUPATIONAL HEALTHThe Dalles, OR · Active | The Dalles, OR | Other | Jan 28, 2016 | Active |
| ADVENTIST HEALTH TILLAMOOK MEDICAL GROUP - VERNONIAVernonia, OR · Active | Vernonia, OR | Other | Jun 1, 2017 | Active |
| ADVENTIST HEALTH HOME CARELocation not reported, OR · Active | Location not reported, OR | Other | Mar 20, 2018 | Active |
| COLUMBIA RIVER WOMEN'S CENTERThe Dalles, OR · Active | The Dalles, OR | Other | Apr 12, 2018 | Active |
| GORGE UROLOGYThe Dalles, OR · Active | The Dalles, OR | Other | Apr 12, 2018 | Active |
| WATER'S EDGE MEDICAL CLINICThe Dalles, OR · Active | The Dalles, OR | Other | Apr 12, 2018 | Active |
| MCMC SPECIALTY CLINICS AT NICHOLS LANDINGHood River, OR · Active | Hood River, OR | Other | Apr 12, 2018 | Active |
| COLUMBIA GORGE ENTThe Dalles, OR · Active | The Dalles, OR | Other | Apr 12, 2018 | Active |
| SLEEP SOLUTIONSThe Dalles, OR · Active | The Dalles, OR | Other | Mar 30, 2022 | Active |
| ADVENTIST HEALTH MEDICAL GROUPPortland, OR · Active | Portland, OR | Other | Jul 15, 2022 | Active |
| MCMC SPECIALTY CLINICS WATER'S EDGEThe Dalles, OR · Active | The Dalles, OR | Other | Apr 7, 2023 | Active |
| ADVENTIST HEALTH COLUMBIA GORGEThe Dalles, OR · Active | The Dalles, OR | Other | May 16, 2023 | Active |
| ADVENTIST HEALTH MEDICAL GROUPThe Dalles, OR · Active | The Dalles, OR | Other | Jul 31, 2024 | Active |
| ADVENTIST HEALTH TILLAMOOK MEDICAL GROUP ESTACADAEstacada, OR · Active | Estacada, OR | Other | Jul 23, 2025 | Active |
| ADVENTIST HEALTH TILLAMOOK MEDICAL GROUP HOODLANDWelches, OR · Active | Welches, OR | Other | Jul 23, 2025 | Active |
| MID-COLUMBIA MEDICAL GROUPThe Dalles, OR · Active | The Dalles, OR | Other | Feb 2, 2006 | Active |
| ADVENTIST HEALTH TILLAMOOK MEDICAL GROUPTillamook, OR · Active | Tillamook, OR | Other | Jul 31, 2008 | Active |
| WATER'S EDGEThe Dalles, OR · Active | The Dalles, OR | Other | Jan 10, 2011 | Active |
| MID-COLUMBIA OUTPATIENT CLINICSThe Dalles, OR · Active | The Dalles, OR | Other | Apr 5, 2012 | Active |
| ADVENTIST HEALTH BAYSHORE MEDICAL PACIFIC CITYPacific City, OR · Active | Pacific City, OR | Other | Feb 19, 2013 | Active |