How many hospitals in Massachusetts are rated 4 or 5 stars by CMS?

As of April 2026, 38.9% of the 54 CMS star-rated hospitals in Massachusetts hold 4 or 5 stars (9 5-star, 12 4-star, 16 3-star, 15 2-star, 2 1-star). The mean rating is 3.2 stars and the Gera US Hospital Quality Index for Massachusetts is 54.9 out of 100. Source: CMS Hospital Care Compare.

How does Massachusetts compare to the US average for hospital quality?

Massachusetts scores 54.9 on the Gera US Hospital Quality Index, against the national figure of 55.1. Its mean CMS star rating is 3.2 versus the US mean of 3.21, and 38.9% of its rated hospitals are 4 or 5-star, compared with 41.9% nationally. Massachusetts ranks 27 of 49 rated states. All figures are CMS’s own star ratings.

Where can I check the CMS rating of a specific hospital in Massachusetts?

Every Medicare-registered hospital has its own page on the CMS Hospital Care Compare website showing its overall star rating and its mortality, safety, readmission, patient experience and timely-care results. Search by hospital name or ZIP code at medicare.gov/care-compare, or use the interactive finder on this page to see how Massachusetts compares before you choose.

Hospital Quality in Massachusetts

Real CMS Hospital Care Compare star ratings for Massachusetts, April 2026, across 54 rated hospitals — plus the Gera US Hospital Quality Index.

How good are the hospitals in Massachusetts, and how do they compare to the US average?

As of April 2026, 38.9% of the 54 CMS star-rated hospitals in Massachusetts hold 4 or 5 stars (mean 3.2 stars), against 41.9% nationally. Its Gera US Hospital Quality Index is 54.9/100 (US 55.1), ranking 27 of 49 states, per CMS Hospital Care Compare.

Source:Centers for Medicare & Medicaid Services — Hospital Care Compare (Hospital General Information)·as of April 2026updated quarterly (last: 18 June 2026)

Gera US Hospital Quality IndexMassachusetts 54.9 / 100Rank 27 of 49 states. The US average is 55.1. A transparent 0-100 summary of CMS star ratings adjusted for mortality and readmission outcomes.How this index is calculated

Massachusetts CMS hospital star ratings, April 2026 (CMS, public domain)
Star rating	Hospitals	Share
5 stars	9	16.7%
4 stars	12	22.2%
3 stars	16	29.6%
2 stars	15	27.8%
1 star	2	3.7%
Total rated	54	100%

Massachusetts vs the US average — April 2026
Measure	Massachusetts	United States
Gera US Hospital Quality Index	54.9 / 100	55.1 / 100
Mean CMS star rating	3.2	3.21
4 or 5 stars	38.9%	41.9%
Rated hospitals	54	3,182

5-star hospitals in Massachusetts

Examples shown are CMS 5-star acute care hospitals in Massachusetts; this is not an exhaustive list and not a Gera endorsement.

Compare another state

See any state's real CMS star-rating breakdown, the Gera US Hospital Quality Index, how it compares to the US average, and 5-star hospital examples.

State

In Massachusetts, of 54 CMS star-rated hospitals, 38.9% hold 4 or 5 stars (as of April 2026). It ranks 27 of 49 states on the Gera US Hospital Quality Index.

5-star

16.7%

9 hospitals

4-star

22.2%

12 hospitals

3-star

29.6%

16 hospitals

2-star

27.8%

15 hospitals

1-star

3.7%

2 hospitals

Gera US Hospital Quality Index

54.9 / 100

US average: 55.1

Mean CMS star rating

3.2

US mean: 3.21

vs US average

-0.2 pts

41.9% of US hospitals are 4-5 star

5-star hospital examples in Massachusetts

North Shore Medical Center - — Salem, MA
Massachusetts General Hospital — Boston, MA

Ratings are CMS’s own official star ratings, not Gera ratings. The distribution covers CMS star-rated hospitals only; hospitals without a published overall star rating are excluded. A rating can be several months old — always check the latest detail on CMS Hospital Care Compare before deciding.

Navigating hospital care in Massachusetts? A GeraClinic care navigator can help you read CMS star ratings, compare hospitals, and prepare for your appointment — with a clinician available online.

Talk to a GeraClinic care navigator

Frequently asked questions

How many hospitals in Massachusetts are rated 4 or 5 stars by CMS?: As of April 2026, 38.9% of the 54 CMS star-rated hospitals in Massachusetts hold 4 or 5 stars (9 5-star, 12 4-star, 16 3-star, 15 2-star, 2 1-star). The mean rating is 3.2 stars and the Gera US Hospital Quality Index for Massachusetts is 54.9 out of 100. Source: CMS Hospital Care Compare.
How does Massachusetts compare to the US average for hospital quality?: Massachusetts scores 54.9 on the Gera US Hospital Quality Index, against the national figure of 55.1. Its mean CMS star rating is 3.2 versus the US mean of 3.21, and 38.9% of its rated hospitals are 4 or 5-star, compared with 41.9% nationally. Massachusetts ranks 27 of 49 rated states. All figures are CMS’s own star ratings.
Where can I check the CMS rating of a specific hospital in Massachusetts?: Every Medicare-registered hospital has its own page on the CMS Hospital Care Compare website showing its overall star rating and its mortality, safety, readmission, patient experience and timely-care results. Search by hospital name or ZIP code at medicare.gov/care-compare, or use the interactive finder on this page to see how Massachusetts compares before you choose.

Navigating hospital care in Massachusetts?

A GeraClinic care navigator can help you interpret CMS star ratings, compare hospitals, and prepare for your appointment — with a clinician available online.

Talk to a GeraClinic care navigator US hospital quality by state — all states

Contains public sector information published by Centers for Medicare & Medicaid Services and licensed under the U.S. Public Domain (federal government work). Source: Centers for Medicare & Medicaid Services — Hospital Care Compare (Hospital General Information) (April 2026, published 28 April 2026).