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Hospitals in Maryland with the lowest left ED without being seen

35 Maryland hospitals ranked by left ED without being seen in the 2026 Medicare (CMS) data. Leading: Carroll Hospital Center, Garrett Regional Medical Center, Suburban Hospital. Filter by type, ownership and size, choose the measures you care about, and sort by any column.

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35 hospitals ranked in Maryland by left ed without being seen; 21 more match but have no reported value.

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#HospitalLeft ED without being seenlower is betterOverall star ratinghigher is betterPatient survey star ratinghigher is betterHeart attack death ratelower is betterHeart failure death ratelower is betterHospital-wide readmission ratelower is better · 2025 dataSerious complicationslower is betterTime in emergency departmentlower is betterMedicare spending per patientlower is betterTotal beds
National average2.0%3.311.9%11.1%15.0%1.00162 min1.00
1Carroll Hospital CenterWestminster, MD · Acute care0.0%3311.2%14.0%15.1%1.08214 min—158Compare
T2Garrett Regional Medical CenterOakland, MD · Acute care1.0%4410.9%17.6%14.4%0.90126 min—33Compare
T2Suburban HospitalBethesda, MD · Acute care1.0%4310.3%11.0%14.5%1.13224 min—229Compare
T2Atlantic General HospitalBerlin, MD · Acute care1.0%3413.2%14.6%14.9%0.82147 min—48Compare
T2MedStar Franklin Square Medical CenterRosedale, MD · Acute care1.0%3213.7%9.3%15.0%1.41367 min—405Compare
T2MedStar Montgomery Medical CenterOlney, MD · Acute care1.0%3212.7%12.0%14.4%0.99259 min—165Compare
T2Adventist Healthcare Shady Grove Medical CenterRockville, MD · Acute care1.0%2311.7%12.7%14.5%0.97204 min—331Compare
T2Walter Reed National Military Medical CenBethesda, MD · Military1.0%—4————184 min—725Compare
T9Calverthealth Medical CenterPrince Frederick, MD · Acute care2.0%5411.6%7.7%14.3%1.09194 min—106Compare
T9MedStar Union Memorial HospitalBaltimore, MD · Acute care2.0%5311.6%9.9%13.5%0.98218 min—370Compare
T9University Of Maryland Shore Medical Center At ChestertownChestertown, MD · Acute care2.0%5——10.8%14.0%—185 min—64Compare
T9Western Maryland Regional Medical CenterCumberland, MD · Acute care2.0%4311.9%11.8%13.6%0.91235 min—240Compare
T9Meritus Medical CenterHagerstown, MD · Acute care2.0%3312.2%11.5%15.9%0.82250 min—271Compare
T9Sinai Hospital Of BaltimoreBaltimore, MD · Acute care2.0%3212.2%11.9%13.7%1.49257 min—413Compare
T9Northwest Hospital CenterRandallstown, MD · Acute care2.0%2211.4%12.6%14.6%1.30251 min—215Compare
T9Holy Cross Germantown HospitalGermantown, MD · Acute care2.0%1211.2%9.3%15.4%0.94233 min—93Compare
T17MedStar Saint Mary's HospitalLeonardtown, MD · Acute care3.0%4311.8%13.1%13.3%0.88256 min—107Compare
T17Tidalhealth Peninsula Regional, IncSalisbury, MD · Acute care3.0%4311.4%10.5%13.8%0.91177 min—362Compare
T17University Of Maryland Shore Medical Center At EastonEaston, MD · Acute care3.0%4212.7%9.9%12.6%0.86179 min—189Compare
T17Johns Hopkins Bayview Medical CenterBaltimore, MD · Acute care3.0%3312.6%10.0%13.7%1.14322 min—430Compare
T21Greater Baltimore Medical CenterBaltimore, MD · Acute care4.0%5412.5%10.7%13.5%1.60228 min—303Compare
T21University Of Maryland St Joseph Medical CenterTowson, MD · Acute care4.0%5411.6%9.7%13.1%0.72264 min—238Compare
T21Adventist Healthcare Fort Washington Medical CenterFort Washington, MD · Acute care4.0%43—10.4%14.9%0.89202 min—37Compare
T21MedStar Harbor HospitalBaltimore, MD · Acute care4.0%4310.3%9.8%13.7%0.87212 min—376Compare
T21Johns Hopkins Howard County Medical CenterColumbia, MD · Acute care4.0%3310.8%8.9%15.1%0.96266 min—233Compare
T21MedStar Good Samaritan HospitalBaltimore, MD · Acute care4.0%3211.7%8.3%14.9%1.04247 min—208Compare
T21University Of Maryland Charles Regional Medical CenterLa Plata, MD · Acute care4.0%33—14.3%13.6%0.82262 min—131Compare
T21MedStar Southern Maryland Hospital CenterClinton, MD · Acute care4.0%229.8%9.0%15.0%1.03356 min—239Compare
T29University Of Maryland Baltimore Washington Medical CenterGlen Burnie, MD · Acute care5.0%5312.6%11.4%14.5%0.83——329Compare
T29Adventist Healthcare White Oak Medical CenterSilver Spring, MD · Acute care5.0%3313.7%10.4%14.9%1.08296 min—298Compare
T29Holy Cross HospitalSilver Spring, MD · Acute care5.0%2312.0%12.5%15.5%1.00314 min—444Compare
T32The Johns Hopkins HospitalBaltimore, MD · Acute care6.0%5410.5%7.8%14.7%1.17308 min—1,025Compare
T32Union Hospital Of Cecil CountyElkton, MD · Acute care6.0%4313.0%11.1%14.8%0.90228 min—166Compare
T32Frederick Health HospitalFrederick, MD · Acute care6.0%3213.8%10.9%14.1%1.23230 min—248Compare
35University Of Maryland Capital Region Medical CenterUpper Marlboro, MD · Acute care7.0%1210.9%9.9%15.2%1.60246 min—224Compare

About these rankings

Rankings use the 2026 release of CMS Care Compare data. Hospitals share a rank (“T”) when their values are equal, and only hospitals with a reported value for the sorted measure are ranked. Shading compares each value with every hospital in the country, so it doesn’t change with your filters. Small differences are often not statistically meaningful; use the methodology and glossary for context.

Left ED without being seen
Percentage of patients who left the emergency department before being seen.
Overall star rating
CMS overall hospital quality star rating (1-5).
Patient survey star rating
HCAHPS summary star rating (1-5).
Heart attack death rate
30-day death rate for heart attack patients.
Heart failure death rate
30-day death rate for heart failure patients.
Hospital-wide readmission rate
Rate of unplanned readmission within 30 days, all conditions. From 2025 CMS reports the Hybrid Hospital-Wide Readmission measure (claims plus EHR data), which replaced the claims-only measure; values are close but not strictly comparable across the change. CMS suppressed it for 2026.. Latest available: 2025 release.
Serious complications
Patient safety and adverse events composite (PSI 90; 1.0 = national value).
Time in emergency department
Median time patients spent in the emergency department before leaving.
Medicare spending per patient
Medicare spending per beneficiary episode relative to the national median (1.0 = national median).
Total beds
Total beds reported to CMS (Provider of Services file).