See What 'Grade' This Mercer Hospital Got In New Leapfrog Rating

MERCER COUNTY, NJ — A hospital in Mercer County is among a slew of medical centers in New Jersey that received an 'A' rating from a watchdog agency as part of its twice-yearly “safety grades.”

Robert Wood Johnson University Hospital at Hamilton received an “A” grade for Spring 2025 from The Leapfrog Group, an independent health care nonprofit.

“Achieving lasting improvements in safety and quality is a long-term endeavor that demands continuous dedication to drive meaningful change and lasting results,” said Andy Anderson, MD, Executive Vice President and Chief Medical and Quality Officer at RWJBarnabas Health.

“As we continue our unwavering pursuit of excellence in safety and quality, this industry recognition demonstrates the hard work and dedication of our clinicians and staff throughout the system.”

The Leapfrog Group uses an academic grading scale with five letter grades to score nearly 3,000 hospitals nationwide on more than 30 measures of patient safety.

Leapfrog says its hospital rating system is the only one in the country focusing solely on a hospital’s ability to protect patients from preventable errors. Learn more about their methodology here.

Other recent grades for Robert Wood Johnson University Hospital, Hamilton include:

• Fall 2024 - A
• Spring 2024 - A
• Fall 2023 - C
• Spring 2023 - B
• Fall 2022 - A
• Spring 2022 - B

New Jersey ranked third among all states for the percentage of hospitals receiving “A” grades in the spring 2025 report card.

Read More: 36 NJ Hospitals Earn 'A' Grade In New Safety Ranking

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