Hospital rankings
Hospitals in Massachusetts with the lowest pneumonia death rate
54 Massachusetts hospitals ranked by pneumonia death rate in the 2026 Medicare (CMS) data. Filter by type, ownership and size, choose the measures you care about, and sort by any column.
| # | Hospital | Pneumonia death ratelower is better | Heart attack death ratelower is better | Heart failure death ratelower is better | COPD death ratelower is better | CABG surgery death ratelower is better | Stroke death ratelower is better | Hospital-wide readmission ratelower is better · 2025 data | Compare |
|---|---|---|---|---|---|---|---|---|---|
| National average | 15.2% | 11.9% | 11.1% | 8.6% | 2.4% | 11.9% | 15.0% | ||
| T51 | Baystate Medical Center | 16.3%, 33rd percentile | 11.8%, 49th percentile | 12.7%, 19th percentile | 6.8%, 91st percentile | 2.2%, 55th percentile | 12.0%, 44th percentile | 16.4%, 3rd percentile | Compare Baystate Medical Center |
| T51 | Lowell General Hospital | 16.3%, 33rd percentile | 12.4%, 29th percentile | 10.5%, 60th percentile | 8.8%, 41st percentile | — | 11.5%, 53rd percentile | 16.1%, 6th percentile | Compare Lowell General Hospital |
| 53 | Heywood Hospital - | 17.1%, 23rd percentile | — | 12.3%, 25th percentile | 8.0%, 63rd percentile | — | 12.5%, 36th percentile | 15.7%, 13th percentile | Compare Heywood Hospital - |
| 54 | Merrimack Health Lawrence Hospital | 18.2%, 13th percentile | 11.7%, 54th percentile | 12.5%, 22nd percentile | 11.3%, 4th percentile | — | 13.2%, 26th percentile | 14.9%, 54th percentile | Compare Merrimack Health Lawrence Hospital |
About these rankings
Rankings use the 2026 release of CMS Care Compare data. Hospitals share a rank (“T”) when their values are equal, and only hospitals with a reported value for the sorted measure are ranked. Shading compares each value with every hospital in the country, so it doesn’t change with your filters. Small differences are often not statistically meaningful; use the methodology and glossary for context.
- Pneumonia death rate
- 30-day death rate for pneumonia patients.
- Heart attack death rate
- 30-day death rate for heart attack patients.
- Heart failure death rate
- 30-day death rate for heart failure patients.
- COPD death rate
- 30-day death rate for COPD patients.
- CABG surgery death rate
- 30-day death rate for CABG surgery patients.
- Stroke death rate
- 30-day death rate for stroke patients.
- Hospital-wide readmission rate
- Rate of unplanned readmission within 30 days, all conditions. From 2025 CMS reports the Hybrid Hospital-Wide Readmission measure (claims plus EHR data), which replaced the claims-only measure; values are close but not strictly comparable across the change. CMS suppressed it for 2026.. Latest available: 2025 release.