Maryland ER wait times by hospital
How long a typical emergency room visit lasts at 40 Maryland hospitals, from arrival to going home, ranked shortest to longest.
In an emergency, call 911. These are yearly medians, not live wait times. Don't pick an ER from this list when someone needs help now.
Maryland median
4 hr 1 min
+1 hr 33 min vs US US median is 2 hr 28 min
Under 2 hours
None
20 take 4 hours or more
Maryland emergency rooms ranked by median visit time
Times are for patients treated and sent home, not admitted. The bar shows each ER against the slowest in the state; the tick marks the Maryland median.
How to read this list
Each time is the median for a full year, so half of visits were shorter and half longer. Busy hospitals treat sicker patients, so a longer time is not by itself a mark against a hospital. "Left before seen" is the share of patients who walked out before a clinician saw them. How this measure works.
Showing the 25 shortest of 40 hospitals
| # | Hospital | Median visit | Left before seen | ER volume | CMS rating |
|---|---|---|---|---|---|
| 1 | Garrett County Memorial HospitalOakland 1% left before seen Low volume ★ 4/5 CMS | 2 hr 6 min 1 hr 55 min faster | 1% | Low | |
| 2 | Atlantic General HospitalBerlin 1% left before seen Medium volume ★ 3/5 CMS | 2 hr 27 min 1 hr 34 min faster | 1% | Medium | |
| 3 | Peninsula Regional Medical CenterSalisbury 3% left before seen Very high volume ★ 4/5 CMS | 2 hr 57 min 1 hr 4 min faster | 3% | Very high | |
| 4 | Memorial Hospital at EastonEaston 3% left before seen Very high volume ★ 4/5 CMS | 2 hr 59 min 1 hr 2 min faster | 3% | Very high | |
| 5 | Walter Reed National Military Med CenBethesda 1% left before seen Medium volume | 3 hr 4 min 57 min faster | 1% | Medium | Not rated |
| 6 | University of MD Shore Medical Ctr at ChestertownChestertown 2% left before seen Low volume ★ 5/5 CMS | 3 hr 5 min 56 min faster | 2% | Low | |
| 7 | Calverthealth Medical CenterPrince Frederick 2% left before seen Medium volume ★ 5/5 CMS | 3 hr 14 min 47 min faster | 2% | Medium | |
| 8 | Fort Washington HospitalFort Washington 4% left before seen Medium volume ★ 4/5 CMS | 3 hr 22 min 39 min faster | 4% | Medium | |
| 9 | Shady Grove Adventist HospitalRockville 1% left before seen Very high volume ★ 2/5 CMS | 3 hr 24 min 37 min faster | 1% | Very high | |
| 10 | Harbor HospitalBrooklyn 4% left before seen High volume ★ 4/5 CMS | 3 hr 32 min 29 min faster | 4% | High | |
| 11 | Carroll Hospital CenterWestminster 0% left before seen High volume ★ 3/5 CMS | 3 hr 34 min 27 min faster | 0% | High | |
| 12 | Union Memorial HospitalBaltimore 2% left before seen High volume ★ 5/5 CMS | 3 hr 38 min 23 min faster | 2% | High | |
| 13 | Suburban HospitalBethesda 1% left before seen High volume ★ 4/5 CMS | 3 hr 44 min 17 min faster | 1% | High | |
| 14 | Union Hospital of Cecil CountyElkton 6% left before seen Medium volume ★ 4/5 CMS | 3 hr 48 min 13 min faster | 6% | Medium | |
| 15 | Greater Baltimore Medical CenterTowson 4% left before seen High volume ★ 5/5 CMS | 3 hr 48 min 13 min faster | 4% | High | |
| 16 | Frederick Memorial HospitalFrederick 6% left before seen Very high volume ★ 3/5 CMS | 3 hr 50 min 11 min faster | 6% | Very high | |
| 17 | Holy Cross Germantown HospitalGermantown 2% left before seen Medium volume ★ 1/5 CMS | 3 hr 53 min 8 min faster | 2% | Medium | |
| 18 | Western Maryland Regional Medical CenterCumberland 2% left before seen Medium volume ★ 4/5 CMS | 3 hr 55 min 6 min faster | 2% | Medium | |
| 19 | Mercy Medical CenterBaltimore ★ 3/5 CMS | 3 hr 57 min 4 min faster | Not reported | Not reported | |
| 20 | Upper Chesapeake Medical CenterBel Air ★ 2/5 CMS | 3 hr 59 min 2 min faster | Not reported | Not reported | |
| 21 | University of MD Medical Center Midtown CampusBaltimore ★ 3/5 CMS | 4 hr 3 min 2 min slower | Not reported | Not reported | |
| 22 | Anne Arundel Medical CenterAnnapolis ★ 3/5 CMS | 4 hr 5 min 4 min slower | Not reported | Not reported | |
| 23 | University of MD Capital Region Medical CenterHyattsville 7% left before seen Very high volume ★ 1/5 CMS | 4 hr 6 min 5 min slower | 7% | Very high | |
| 24 | Good Samaritan HospitalBaltimore 4% left before seen High volume ★ 3/5 CMS | 4 hr 7 min 6 min slower | 4% | High | |
| 25 | Meritus Medical CenterHagerstown 2% left before seen Very high volume ★ 3/5 CMS | 4 hr 10 min 9 min slower | 2% | Very high | |
| 26 | Northwest Hospital CenterRandallstown 2% left before seen High volume ★ 2/5 CMS | 4 hr 11 min 10 min slower | 2% | High | |
| 27 | Saint Mary's HospitalLeonardtown 3% left before seen High volume ★ 4/5 CMS | 4 hr 16 min 15 min slower | 3% | High | |
| 28 | Sinai Hospital of BaltimoreBaltimore 2% left before seen Very high volume ★ 3/5 CMS | 4 hr 17 min 16 min slower | 2% | Very high | |
| 29 | Montgomery General HospitalOlney 1% left before seen Medium volume ★ 3/5 CMS | 4 hr 19 min 18 min slower | 1% | Medium | |
| 30 | University of MD Charles Regional Medical CenterLa Plata 4% left before seen High volume ★ 3/5 CMS | 4 hr 22 min 21 min slower | 4% | High | |
| 31 | University of MD St Joseph Medical CenterTowson 4% left before seen High volume ★ 5/5 CMS | 4 hr 24 min 23 min slower | 4% | High | |
| 32 | Howard County General HospitalColumbia 4% left before seen Very high volume ★ 3/5 CMS | 4 hr 26 min 25 min slower | 4% | Very high | |
| 33 | Doctors' Community HospitalLanham ★ 3/5 CMS | 4 hr 32 min 31 min slower | Not reported | Not reported | |
| 34 | Washington Adventist HospitalTakoma Park 5% left before seen High volume ★ 3/5 CMS | 4 hr 56 min 55 min slower | 5% | High | |
| 35 | The Johns Hopkins HospitalBaltimore 6% left before seen Very high volume ★ 5/5 CMS | 5 hr 8 min 1 hr 7 min slower | 6% | Very high | |
| 36 | University of Maryland Medical CenterBaltimore ★ 3/5 CMS | 5 hr 9 min 1 hr 8 min slower | Not reported | Not reported | |
| 37 | Holy Cross HospitalSilver Spring 5% left before seen Very high volume ★ 2/5 CMS | 5 hr 14 min 1 hr 13 min slower | 5% | Very high | |
| 38 | Johns Hopkins Bayview Medical CenterBaltimore 3% left before seen High volume ★ 3/5 CMS | 5 hr 22 min 1 hr 21 min slower | 3% | High | |
| 39 | Medstar Southern Maryland Hospital CenterClinton 4% left before seen High volume ★ 2/5 CMS | 5 hr 56 min 1 hr 55 min slower | 4% | High | |
| 40 | Franklin Square Hospital CenterRosedale 1% left before seen Very high volume ★ 3/5 CMS | 6 hr 7 min 2 hr 6 min slower | 1% | Very high |
No Maryland hospitals match that search. Try a city name, or .
ER wait times in Maryland's largest cities
Median visit time across the hospitals listed in each city. Pick a city to filter the list above.
| City | ERs | Median | Shortest in the city |
|---|---|---|---|
| 2 | 3 hr 24 min | Walter Reed National Military Med Cen · 3 hr 4 min | |
| 2 | 4 hr 6 min | Greater Baltimore Medical Center · 3 hr 48 min | |
| 8 | 4 hr 12 min | Union Memorial Hospital · 3 hr 38 min |
Questions about Maryland ER wait times
Which Maryland ER has the shortest wait?
Garrett County Memorial Hospital in Oakland, with a median visit of 2 hr 6 min. Atlantic General Hospital in Berlin is next at 2 hr 27 min.
Which Maryland ER has the longest wait?
Franklin Square Hospital Center, at 6 hr 7 min. The busiest emergency departments tend to have the longest visits because they treat more patients and more complex cases.
How long is the average ER visit in Maryland?
The median is 4 hr 1 min, 1 hr 33 min longer than the US median of 2 hr 28 min. None of the 40 Maryland ERs comes in under two hours, and 20 take four hours or more.
Are these live wait times?
No. They are 12-month medians for patients who were treated and sent home, published by CMS. They show what is typical, not what is happening tonight. In an emergency, call 911.
ER wait times in neighboring states
Source: CMS Hospital Outpatient Quality Reporting, measure OP-18b (median time from ED arrival to departure for discharged patients), published July 2026. Updated when CMS publishes new data.
Hospitals with too few cases to report are not listed; they still have a page in the Maryland hospital directory. Campuses that CMS reports under one facility number appear once. Not affiliated with CMS.