As of the July 2026 CMS release, Missouri has 137 open hospitals in 89 cities, 113 of them with an emergency department. The median emergency room visit lasts 2 hr 31 min, about the same as the US median of 2 hr 28 min. 34 of the 85 hospitals Medicare rates hold 4 or 5 stars (5 with 5), and the state average is 3.1 stars.
Missouri has 137 open hospitals across 98 cities. By type: 68 acute care hospitals, 35 critical access hospitals, 13 psychiatric hospitals, 4 VA acute care hospitals, 4 children's hospitals, 1 rehabilitation hospital, 1 long-term care hospital, 1 rural emergency hospital and 1 military acute care hospital (type not recorded for 9).
See every Missouri ER ranked by wait · See every Missouri hospital ranked by stars · by patient rating · by infections and safety
From the U.S. Census Bureau's American Community Survey (2020–2024).
There are 137 open hospitals in Missouri across 98 cities. 113 of them have an emergency department.
St Louis, with 25 hospitals. Kansas City is next with 10.
The median emergency room visit in Missouri lasts 2 hr 31 min, 3 min longer than the US median of 2 hr 28 min. That is a 12-month median from CMS, not a live wait time.
5 of the 85 Missouri hospitals with a Medicare overall star rating have 5 stars, and 34 have 4 or 5 stars. The average rating is 3.1 out of 5.
Source: hospital listings from CMS and public records; emergency room wait times (measure OP-18b) and overall star ratings from CMS Care Compare. Wait times are 12-month medians, not live. Where these figures come from.
Not affiliated with CMS. For a medical emergency, call 911.