Live Updated 20 min ago
51min
current ed wait
26 min longer than usual
20 min
avg today
25 min
avg overall
141 min
longest seen
Typical wait for non-urgent cases. Patients are seen in order of clinical priority. The most seriously ill are always seen first, no matter how busy the ER is.
Refreshing in 5:00
Source: OU Health · auto-refreshed every 30 min · details
Life-threatening symptoms? Call 911. Don't rely on this site to make that decision.
Wait time, last 24 hours
Under 30 min 30 - 60 min Over 60 min Typical next few hours
Typical wait by hour of the day

Average wait at each hour, across every reading we have.

Hour-by-hour breakdown
HourAvg. waitTrend
Today, 1 AM
avg. of 2 readings
30 min steady
Today, 12 AM
avg. of 4 readings
31 min steady
Yesterday, 11 PM
avg. of 4 readings
31 min steady
Yesterday, 10 PM
avg. of 4 readings
30 min rising
Yesterday, 9 PM
avg. of 4 readings
24 min rising
Yesterday, 8 PM
avg. of 4 readings
20 min rising
Yesterday, 7 PM
avg. of 4 readings
18 min steady
Yesterday, 6 PM
avg. of 4 readings
17 min steady
Yesterday, 5 PM
avg. of 4 readings
17 min steady
Yesterday, 4 PM
avg. of 4 readings
16 min steady
Yesterday, 3 PM
avg. of 4 readings
14 min steady
Yesterday, 2 PM
avg. of 4 readings
15 min steady
Yesterday, 1 PM
avg. of 4 readings
16 min steady
Yesterday, 12 PM
avg. of 4 readings
16 min steady
Yesterday, 11 AM
avg. of 4 readings
18 min falling
Yesterday, 10 AM
avg. of 4 readings
20 min falling
Yesterday, 9 AM
avg. of 4 readings
26 min rising
Yesterday, 8 AM
avg. of 4 readings
19 min steady
Yesterday, 7 AM
avg. of 4 readings
18 min steady
Yesterday, 6 AM
avg. of 4 readings
18 min steady
Yesterday, 5 AM
avg. of 4 readings
20 min steady
Yesterday, 4 AM
avg. of 4 readings
20 min steady
Yesterday, 3 AM
avg. of 4 readings
19 min steady
Yesterday, 2 AM
avg. of 4 readings
18 min -
Visit Oklahoma County
Address
4300 WEST MEMORIAL ROAD
Oklahoma City, OK 73120
Phone
Voluntary non-profit - Church
HoursOpen 24/7 Websitemercy.net
Facilities & services
385
total beds
31
operating rooms
General acute care
facility type
Emergency & critical care
Dedicated ERShock / traumaICU
Imaging
CTMRIDiagnostic radiology
Surgery
Inpatient surgeryAnesthesiology
Other services
ChemotherapyRenal dialysisInpatient rehabPharmacy
Accessibility & amenities
Wheelchair-accessible entrance Wheelchair-accessible parking Apple Pay / Google Pay
ER performance
Typical ER visit length
Median time from arrival to leaving.
2 hr 33 min of 446 patients
Patients who left before being seen
Walked out before being seen, usually due to long waits.
1% of 75,282 visits
Head CT scan time for stroke
Time from arrival to head CT for suspected stroke. Faster is better.
32 min of 25 patients
Compared to other US hospitals
Patient safety
Rates of infections, clots, falls and surgical complications during a stay.
Above average
Avoiding readmission
Patients returning within 30 days for the same condition.
Above average
Infection rates lower is better
Central-line bloodstream infections
Bloodstream infections from a central IV line. Known as CLABSI.
- About average
0.46 1.00 = national avg
Catheter urinary-tract infections
UTIs from a urinary catheter. Known as CAUTI.
- About average
0.54 1.00 = national avg
Colon surgery site infections
Wound infections after colon surgery.
- About average
0.64 1.00 = national avg
Hysterectomy site infections
Wound infections after abdominal hysterectomy.
- About average
0.46 1.00 = national avg
MRSA bloodstream infections
Drug-resistant staph in the bloodstream.
- About average
0.66 1.00 = national avg
C. diff (intestinal) infections
Gut infections, often after antibiotics.
Better than average
0.12 1.00 = national avg
What patients say
Overall HCAHPS rating
Hospital rating
75% rated 9 or 10 of 10
75%
Would recommend
77% would definitely recommend
77%
Nurse communication
75% said nurses always communicated well
75%
Doctor communication
78% said doctors always communicated well
78%
Cleanliness
71% said the room was always clean
71%
Quietness at night
53% said the area was always quiet at night
53%
Clinicians on staff
871
total clinicians
9
ER physicians
By specialty
Internal medicine 83
Radiology 65
Anesthesiology 47
Interventional cardiology 26
Orthopedic surgery 25
Obstetrics / gynecology 25
Pulmonology 23
Neurology 20
Hematology / oncology 18
General surgery 13
Interventional radiology 11
Cardiology 9
Critical care 1
Where this number comes from

OU Health publishes this wait time on its website, mychart.ouhealth.com . We check it about every 30 minutes and show you the most recent number.

  • What it means: How long someone arriving right now would likely wait to see a doctor.
  • Last updated: 1:24am on 11 Jun 2026 (hospital local time)
Frequently asked questions
How long is the wait at Mercy Hospital Oklahoma City, INC?

The most recently published wait at Mercy Hospital Oklahoma City, INC is 51 minutes, as of 1:24am hospital local time. The all-time average for this ER is around 25 minutes. Wait times change quickly , call the ER to confirm before you travel.

Should I go to the ER or to urgent care?

For life-threatening symptoms , chest pain, stroke signs (face drooping, arm weakness, speech difficulty), severe bleeding, breathing difficulty, or loss of consciousness , call 911 and head to the ER. For minor injuries, fevers, low-grade illness, or anything non-emergency, urgent care is usually faster and cheaper. See urgent care near Oklahoma City.

Is Mercy Hospital Oklahoma City, INC open 24 hours?

Most Medicare-certified ERs in the US run 24 hours a day, seven days a week. To confirm the current status of Mercy Hospital Oklahoma City, INC, call (405) 755-1515.

Where is Mercy Hospital Oklahoma City, INC located?

Mercy Hospital Oklahoma City, INC is located at 4300 West Memorial Road, Oklahoma City, OK, 73120. Phone: (405) 755-1515.