Hospitals in Boulder County, Colorado
6 Medicare-certified hospitals, sorted by CMS overall rating (a national standard — not curved within Colorado). “Not rated” is CMS’s own suppression, never a judgment.
| Hospital | City | CMS rating | ER |
|---|---|---|---|
| Longs Peak Hospital | Longmont | ★★★★★5 | Yes |
| Adventhealth Avista | Louisville | ★★★★★4 | No |
| Boulder Community Health | Boulder | ★★★★★4 | Yes |
| Good Samaritan Medical Center LLC | Lafayette | ★★★★★4 | Yes |
| Longmont United Hospital | Longmont | ★★★★★3 | Yes |
| Centennial Peaks Hospital | Louisville | not rated | No |
Data: Centers for Medicare & Medicaid Services (data.cms.gov), last updated April 28, 2026. This site is not affiliated with CMS or any government agency.