Delivering Excellence in Health Care
Mercy Hospital, part of the Catholic Health system, is a community hospital located in Rockville Centre, NY. Our compassionate doctors, nurses, and health care staff are committed to providing excellent care to meet the health needs of our patients. At Mercy Hospital, we pride ourselves on delivering safe and skilled care that patients and their loved ones can trust.
Mercy Hospital Recognized with "A" Grade for Patient Safety
Mercy Hospital is proud to have earned an “A” Hospital Safety Grade from The Leapfrog Group, in its Spring 2026 Hospital Safety Survey. This national nonprofit organization sets rigorous standards for patient safety and quality, and this achievement reflects strong performance in preventing medical errors, injuries, accidents and infections.
The program is widely recognized as one of the most transparent and trusted measures of hospital safety in the United States.
This is the fourth time that Mercy Hospital has received an “A” grade with Leapfrog, underscoring our ongoing efforts to strengthen safety practices, enhance the patient experience, and build a high-performing culture of care.
Mercy Hospital Receives CMS Five-Star Rating
Mercy Hospital is proud to have earned a five-star overall quality rating from the Centers for Medicare & Medicaid Services (CMS), the highest rating awarded by the federal agency.
This inaugural five-star designation was achieved in May, 2026 and represents a significant milestone in Catholic Health’s system-wide performance and mission of continuous improvement.
The CMS Star Quality Ratings remain one of the most widely used benchmarks for hospital performance across the United States. Hospitals are evaluated across various measures including clinical quality, operational effectiveness and patient-centered care, with five stars representing the highest level of performance nationwide.
Quality and safety are central to everything we do at Mercy Hospital and we are committed to delivering the best possible outcomes and experience for every patient.


