Ascension Columbia St Marys Hospital Milwaukee ER wait time
Emergency room · Milwaukee,
WI
Faster than 37% of US ERs · #2,547 of 4,081
19m slower than the US median
This ERWI 2h 16mUS 2h 28m
2323 N Lake Dr, Milwaukee, WI 53211
Patients sent home from the emergency room at Ascension Columbia St Marys Hospital Milwaukee in Milwaukee, Wisconsin spend a median of 2 hours 47 minutes there, from arrival to leaving. That's 19 minutes more than the national median of 2 hours 28 minutes, and slower than the Wisconsin median of 2 hours 16 minutes.
Questions
How long is the wait at the Ascension Columbia St Marys Hospital Milwaukee ER?
The median patient who is sent home spends 2 hours 47 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 37% 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.