Medstar Union Memorial Hospital
Baltimore, MD · CMS Overall Star Rating 5 of 5 · April 2026
What is Medstar Union Memorial Hospital's CMS star rating?
As of April 2026, Medstar Union Memorial Hospital in Baltimore, MD holds a CMS Overall Star Rating of 5 stars, the official rating published by the Centers for Medicare & Medicaid Services on Hospital Care Compare. Its Gera US Hospital Quality Index is 100/100, derived transparently from that CMS rating and its mortality and readmission outcomes.
| CMS measure | Value |
|---|---|
| Overall Star Rating | 5 stars (of 5) |
| Hospital type | Acute Care Hospitals |
| Ownership | Voluntary non-profit - Other |
| Emergency services | Yes |
| Mortality measures better than national rate | 1 |
| Mortality measures worse than national rate | 0 |
| Readmission measures better than national rate | 4 |
| Readmission measures worse than national rate | 0 |
| Patient-experience (HCAHPS) measures reported | 15 |
| Gera US Hospital Quality Index | 100 / 100 |
Figures are CMS’s own published star rating and statistical comparisons, reported here unchanged. CMS Facility ID (CCN): 210024. View the full hospital profile on CMS Hospital Care Compare. A rating can be several months old — always check the latest detail before deciding.
Compare hospital quality across states
See any state's real CMS star-rating breakdown, the Gera US Hospital Quality Index, and 5-star hospital examples.
In Maryland, of 42 CMS star-rated hospitals, 38.1% hold 4 or 5 stars (as of April 2026). It ranks 17 of 49 states on the Gera US Hospital Quality Index.
5-star hospital examples in Maryland
- Johns Hopkins Hospital, The — Baltimore, MD
- Medstar Union Memorial Hospital — Baltimore, MD
Ratings are CMS’s own official star ratings, not Gera ratings. The distribution covers CMS star-rated hospitals only; hospitals without a published overall star rating are excluded. A rating can be several months old — always check the latest detail on CMS Hospital Care Compare before deciding.
Navigating hospital care in Maryland? A GeraClinic care navigator can help you read CMS star ratings, compare hospitals, and prepare for your appointment — with a clinician available online.
Talk to a GeraClinic care navigatorFrequently asked questions
- What is Medstar Union Memorial Hospital’s CMS star rating?
- Medstar Union Memorial Hospital (Baltimore, MD) holds a CMS Overall Star Rating of 5 stars as of April 2026. This is the official rating published by the Centers for Medicare & Medicaid Services on Hospital Care Compare. Its Gera US Hospital Quality Index is 100 out of 100, derived transparently from that CMS rating and the hospital’s mortality and readmission measure results.
- How does Medstar Union Memorial Hospital perform on mortality and readmission?
- On the latest CMS data, Medstar Union Memorial Hospital had 1 mortality measure statistically better than the national rate and 0 worse, and 4 readmission measures better than the national rate and 0 worse. It reported 15 patient-experience (HCAHPS) measures. These are CMS’s own statistical comparisons, reported here unchanged.
- Is a high CMS star rating a guarantee that Medstar Union Memorial Hospital is right for me?
- No. A CMS star rating tells you how a hospital performed across mortality, safety, readmission, patient experience and timely care at the last measurement period. It is a strong, independent signal but not a personalised recommendation: ratings can be months old, and the right choice also depends on your condition, your insurance, distance and availability. Always check the latest detail on Hospital Care Compare before deciding.
Preparing for a hospital visit?
A GeraClinic care navigator can help you interpret CMS star ratings, weigh up your options, and prepare for your appointment — with a clinician available online.
Contains public sector information published by Centers for Medicare & Medicaid Services and licensed under the U.S. Public Domain (federal government work). Source: Centers for Medicare & Medicaid Services — Hospital Care Compare (Hospital General Information) (April 2026, published 28 April 2026).