San Mateo Medical Center ER wait time
Emergency room · San Mateo,
CA
Faster than 35% of US ERs · #2,648 of 4,081
22m slower than the US median
This ERCA 2h 54mUS 2h 28m
222 W 39Th Ave, San Mateo, CA 94403
Patients sent home from the emergency room at San Mateo Medical Center in San Mateo, California spend a median of 2 hours 50 minutes there, from arrival to leaving. That's 22 minutes more than the national median of 2 hours 28 minutes, and faster than the California median of 2 hours 54 minutes. 3% of patients left before being seen.
Questions
How long is the wait at the San Mateo Medical Center ER?
The median patient who is sent home spends 2 hours 50 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 35% 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.