Johns Hopkins Howard County Medical Center ER wait time
Emergency room · Columbia,
MD
Faster than 3% of US ERs · #3,957 of 4,081
1h 58m slower than the US median
This ERMD 4h 03mUS 2h 28m
5755 Cedar Lane, Columbia, MD 21044
Patients sent home from the emergency room at Johns Hopkins Howard County Medical Center in Columbia, Maryland spend a median of 4 hours 26 minutes there, from arrival to leaving. That's 1 hour 58 minutes more than the national median of 2 hours 28 minutes, and slower than the Maryland median of 4 hours 3 minutes. 4% of patients left before being seen.
Questions
How long is the wait at the Johns Hopkins Howard County Medical Center ER?
The median patient who is sent home spends 4 hours 26 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 3% 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.