Massachusetts General Hospital in Boston, MA
Also known as Mass General
In a medical emergency, call 911. This page is for information only.
About Massachusetts General Hospital
Massachusetts General Hospital is an acute care hospital in Boston, Suffolk County, Massachusetts. It reports its ownership to Medicare as nonprofit (private). It provides emergency services. It is listed as a Level I adult, Level I pediatric trauma center. Its CMS Overall Hospital Quality Star Rating is 5 out of 5. It has 1,043 licensed beds, according to state license data via HIFLD. It meets the CMS Birthing-Friendly designation criteria for maternity care. Massachusetts Eye and Ear Infirmary - is on the same campus or next door.
Quality ratings
How this hospital compares with the national rate on each measure group:
Source: Centers for Medicare & Medicaid Services, Hospital General Information. How star ratings work.
Emergency room times
Lower times are better. Reporting period ending September 2025. Source: CMS Timely and Effective Care. What these numbers mean.
Infections and sepsis care
- MRSA bloodstream infectionsBetter than national · SIR 0.57
- Catheter-associated urinary tract infections (CAUTI)No different · SIR 1.02
- Clostridioides difficile (C. diff) infectionsBetter than national · SIR 0.72
- Central line bloodstream infections (CLABSI)Better than national · SIR 0.61
- Surgical site infections after abdominal hysterectomyNo different · SIR 0.68
- Surgical site infections after colon surgeryNo different · SIR 1.32
49% of patients with severe sepsis or septic shock received all the recommended early care steps (SEP-1). Higher is better.
SIR is the standardized infection ratio: below 1 means fewer infections than predicted for a hospital like this one. Period ending September 2025. Source: CMS Healthcare-Associated Infections and Timely and Effective Care.
What patients say
- Patient survey star rating
- Would definitely recommend85%
- Rated the hospital 9 or 1078%
- Completed surveys593
Survey period ending September 2025. Source: CMS HCAHPS Patient Survey.
Map
42.36249, -71.06983
Nearby hospitals
- Massachusetts Eye and Ear Infirmary -243 Charles Street, Boston, MA · Emergency roomAcute care hospitalSame campus
- The Shriners' Hospital for Children - Boston51 Blossom Street, Boston, MAChildren's hospitalSame campus
- Tufts Medical Center800 Washington Street, Boston, MA · Level I traumaAcute care hospital0.9 mi
- Spaulding Rehabilitation Hospital300 First Avenue, Charlestown, MARehabilitation hospital1.4 mi
- Dr Solomon Carter Fuller Mental Health Center85 East Newton Street, Boston, MAPsychiatric hospital1.8 mi
- Cambridge Health Alliance1493 Cambridge Street, Cambridge, MA · Emergency roomAcute care hospital1.9 mi
- Boston Medical Center1 Boston Medical Center Place, Boston, MA · Level I traumaAcute care hospital1.9 mi
- Spaulding Hospital for Continuing Med Care-Camb1575 Cambridge Street, Cambridge, MALong-term care hospital2.1 mi
- Beth Israel Deaconess Medical Center330 Brookline Avenue, Boston, MA · Level I traumaAcute care hospital2.4 mi
- Boston Children's Hospital300 Longwood Avenue, Boston, MA · Emergency roomChildren's hospital2.5 mi
Frequently asked questions
Where is Massachusetts General Hospital located?
Massachusetts General Hospital is at 55 Fruit Street, Boston, MA 02114 in Suffolk County.
Does Massachusetts General Hospital have an emergency room?
Yes. Massachusetts General Hospital reports emergency services to Medicare, and patients spent a median of 288 minutes in its emergency department before leaving. In a life-threatening emergency, call 911.
What is the CMS star rating of Massachusetts General Hospital?
Massachusetts General Hospital has a CMS Overall Hospital Quality Star Rating of 5 out of 5. The rating combines measures of mortality, safety of care, readmission, patient experience and timely and effective care, compared with hospitals nationwide.
Is Massachusetts General Hospital a trauma center?
Yes. It is listed as a Level I adult, Level I pediatric trauma center in the HIFLD hospitals data, which is compiled from state trauma registries (source date November 2023). Trauma designations are renewed periodically, so confirm with the Massachusetts EMS or trauma program. In an emergency, call 911: paramedics take seriously injured patients to the right trauma center.
What is the phone number of Massachusetts General Hospital?
The main phone number on record with Medicare is (617) 726-2000.
Would patients recommend Massachusetts General Hospital?
In the most recent HCAHPS patient survey (593 completed surveys), 85% of patients said they would definitely recommend the hospital, and 78% rated it 9 or 10 out of 10.
Related guides
- How CMS Hospital Star Ratings WorkThe five measure groups behind the 1 to 5 star Overall Hospital Quality Star Rating, how it is calculated and what it leaves out.
- How to Choose a HospitalA practical checklist for planned care: insurance networks, procedure volume, quality ratings, certifications and cost estimates.
- How to Choose a Hospital to Give BirthLevels of maternal and newborn care, the CMS Birthing-Friendly designation, quality data and questions to ask on a tour.
- ER Wait Times ExplainedHow triage and the Emergency Severity Index decide who is seen first, why emergency rooms get crowded and where to find timing data.