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Emergency Rooms in Maryland
43 emergency rooms in 25 cities and 19 counties · Data as of 08/12/2026
Emergency rooms on this page
Emergency rooms in Maryland at a glance
- Maryland has 43 emergency rooms, about 6.9 for every 1 million residents.
- Per person, that is 48% below the national rate (13 per 1 million).
- The largest group is Acute Care Hospitals (88%), ahead of Psychiatric Hospitals and Military Hospitals.
- 39 have a Medicare star rating, averaging 3.3 out of 5; 7 earned the top five stars.
- Baltimore (12), Bethesda (2) and Parole (2) have the most, 37% of the state total combined.
Top-rated emergency rooms in Maryland
Highest Medicare star ratings
- Calverthealth Medical CenterAcute care hospital · ER visit 3 hr 14 min100 Hospital Road, Prince Frederick, MD
- Greater Baltimore Medical CenterAcute care hospital · ER visit 3 hr 48 min6701 North Charles Street, Baltimore, MD
- MedStar Union Memorial HospitalAcute care hospital · ER visit 3 hr 38 min201 East University Parkway, Baltimore, MD
- The Johns Hopkins HospitalAcute care hospital · ER visit 5 hr 8 min600 North Wolfe Street, Baltimore, MD
- University of MD Baltimore Washington Medical CenterAcute care hospital301 Hospital Drive, Glen Burnie, MD
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All emergency rooms in Maryland
43 listed, A to Z · Page 1 of 2
- Adventist Healthcare Fort Washington Medical CtrAcute care hospital · ER visit 3 hr 22 min11711 Livingston Road, Fort Washington, MD
- Adventist Healthcare Shady Grove Medical CenterAcute care hospital · ER visit 3 hr 24 min9901 Medical Center Drive, Rockville, MD
- Adventist Healthcare White Oak Medical CenterAcute care hospital · ER visit 4 hr 56 min11890 Healing Way, Silver Spring, MD
- Atlantic General HospitalAcute care hospital · ER visit 2 hr 27 min9733 Healthway Drive, Berlin, MD
- Calverthealth Medical CenterAcute care hospital · ER visit 3 hr 14 min100 Hospital Road, Prince Frederick, MD
- Carroll Hospital CenterAcute care hospital · ER visit 3 hr 34 min200 Memorial Avenue, Westminster, MD
- Frederick Health HospitalAcute care hospital · ER visit 3 hr 50 min400 West Seventh St, Frederick, MD
- Garrett Regional Medical CenterAcute care hospital · ER visit 2 hr 6 min251 North Fourth Street, Oakland, MD
- Greater Baltimore Medical CenterAcute care hospital · ER visit 3 hr 48 min6701 North Charles Street, Baltimore, MD
- Holy Cross Germantown HospitalAcute care hospital · ER visit 3 hr 53 min19801 Observation Drive, Germantown, MD
- Johns Hopkins Bayview Medical CenterAcute care hospital · ER visit 5 hr 22 min4940 Eastern Avenue, Baltimore, MD
- Johns Hopkins Howard County Medical CenterAcute care hospital · ER visit 4 hr 26 min5755 Cedar Lane, Columbia, MD
- Kennedy Krieger InstituteChildren's hospital707 North Broadway, Baltimore, MDNot rated
- Luminis Health Anne Arundel Medical Center, IncAcute care hospital · ER visit 4 hr 5 min2001 Medical Parkway, Annapolis, MD
- Luminis Health Doctors Community Medical Ctr, IncAcute care hospital · ER visit 4 hr 32 min8118 Good Luck Road, Lanham, MD
- Luminis Health J Kent Mcnew Family Medical CenterPsychiatric hospital175 Harry S Truman Parkway, Annapolis, MDNot rated
- MedStar Franklin Square Medical CenterAcute care hospital · ER visit 6 hr 7 min9000 Franklin Square Drive, Rosedale, MD
- MedStar Good Samaritan HospitalAcute care hospital · ER visit 4 hr 7 min5601 Loch Raven Boulevard, Baltimore, MD
- MedStar Montgomery Medical CenterAcute care hospital · ER visit 4 hr 19 min18101 Prince Philip Drive, Olney, MD
- MedStar Saint Mary's HospitalAcute care hospital · ER visit 4 hr 16 min25500 Point Lookout Road, Leonardtown, MD
- MedStar Southern Maryland Hospital CenterAcute care hospital · ER visit 5 hr 56 min7503 Surratts Road, Clinton, MD
- MedStar Union Memorial HospitalAcute care hospital · ER visit 3 hr 38 min201 East University Parkway, Baltimore, MD
- Mercy Medical Center IncAcute care hospital · ER visit 3 hr 57 min301 Saint Paul Place, Baltimore, MD
- Meritus Medical CenterAcute care hospital · ER visit 4 hr 10 min11116 Medical Campus Road, Hagerstown, MD
- Northwest Hospital CenterAcute care hospital · ER visit 4 hr 11 min5401 Old Court Road, Randallstown, MD
- Saint Agnes HospitalAcute care hospital900 Caton Avenue, Baltimore, MD
- Sinai Hospital of BaltimoreAcute care hospital · ER visit 4 hr 17 min2401 West Belvedere Avenue, Baltimore, MD
- Suburban HospitalAcute care hospital · ER visit 3 hr 44 min8600 Old Georgetown Road, Bethesda, MD
- The Johns Hopkins HospitalAcute care hospital · ER visit 5 hr 8 min600 North Wolfe Street, Baltimore, MD
- Tidalhealth Peninsula Regional, IncAcute care hospital · ER visit 2 hr 57 min100 East Carroll Avenue, Salisbury, MD
Frequently asked questions
- How many emergency rooms are in Maryland?
- There are 43 emergency rooms in Maryland in our data as of 08/12/2026.
- Which Maryland cities have the most emergency rooms?
- Baltimore (12), Bethesda (2), Parole (2), Aberdeen (1), Bel Air (1).
- What is the highest-rated emergency room in Maryland?
- Calverthealth Medical Center in Prince Frederick, Greater Baltimore Medical Center in Baltimore, MedStar Union Memorial Hospital in Baltimore have a 5-star Medicare star rating, the highest available.