The Centers for Medicare & Medicaid Services (CMS) uses a star rating methodology to grade the quality of acute care hospitals that service Medicare and Medicaid enrollees. The CMS methodology assesses hospital data on several quality-related measures, including data on patient experience, the timeliness of care, mortality experience, readmission rates, and patient safety.  The CMS then calculates a standardized score for each metric and then consolidates the scores into an overall quality rating on a 1 to 5-star scale, with 5-stars being the highest score on the scale.  As of November 16, 2025, four (4) acute care hospitals in the state of Maryland earned a CMS five-star quality rating.  Listed alphabetically, here are the five-star quality acute care hospitals in Maryland as rated by CMS:

Five-Star Quality Acute Care Hospitals in Maryland

1. CalvertHealth Medical Center
   Location:  Prince Frederick
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2. MedStar Union Memorial Hospital
   Location:  Baltimore
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3. University of Maryland Shore Medical Center
   Location:  Chestertown
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4. University of Maryland St. Joseph Medical Center

   Location:  Towson

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