SSM Health St Mary's Hospital - St Louis ER wait time
Emergency room · Saint Louis,
MOFaster than 38% of US ERs · #2,538 of 4,081
18m slower than the US median
This ERMO 2h 31mUS 2h 28m
6420 Clayton Rd, Saint Louis, MO 63117
Patients sent home from the emergency room at SSM Health St Mary's Hospital - St Louis in Saint Louis, Missouri spend a median of 2 hours 46 minutes there, from arrival to leaving. That's 18 minutes more than the national median of 2 hours 28 minutes, and slower than the Missouri median of 2 hours 31 minutes. 2% of patients left before being seen.
Questions
How long is the wait at the SSM Health St Mary's Hospital - St Louis ER?
The median patient who is sent home spends 2 hours 46 minutes in the ER, from arrival to departure (CMS, Oct 2024 to Sep 2025). Half of patients spend longer.
Is that a long wait?
It's longer than the US median of 2 hours 28 minutes. It's faster than 38% of the 4,081 US ERs that report this number.
Where does this data come from?
From CMS Care Compare, measure OP-18b. How this works.
Not medical advice. If you're having a medical emergency, call 911.
