S&P Global Ratings assigned its 'A' long-term rating to the Maryland Health and Higher Education Facilities Authority's (MHHEFA) $226 million series 2025A and $62.6 million series 2025B health care revenue bonds, issued on behalf of University of Maryland Medical System (UMMS). We affirmed our 'A' long-term rating on various health care revenue bonds outstanding issued on behalf of UMMS. We also affirmed our joint 'AA+/A-1' rating on MHHEFA's series 2008D variable-rate revenue bonds, which reflects the application of our low-correlation joint criteria. The outlook on the long-term rating is stable. A revenue pledge of the obligated group secures the bonds. The obligated group includes all of UMMS' wholly owned acute-care hospitals and The Foundation. Nonobligated members include its owned physician