55 Fruit Street, Boston, MA, 02114 · (617) 726-2000
Beds
997
FY 2025
Star rating
5 of 5
Patient survey: 4 of 5
Net patient revenue
$4.45B
FY 2025
Net income
$373.0M
Patient care margin -54.7%
Discharges
47,091
Occupancy 97.8%
Clinicians
5,589
From the hospital's yearly cost reports (fiscal years as the hospital reports them)
Locations are shown at the center of the ZIP code.
US dollars as reported. Patient care margin = net patient revenue minus operating expenses, before other income such as grants, donations and investments.
| Fiscal year | Net patient revenue | Operating expenses | Patient care margin | Net income | Discharges | Uncompensated care | Medicare days | Medicaid days |
|---|---|---|---|---|---|---|---|---|
| 2025 | $4.45B | $6.89B | -54.7% | $373.0M | 47,091 | $63.6M | 32.0% | 9.2% |
Official hospital quality measures with the national median across hospitals. For ratios, 1.00 means as many cases as expected.
| Death rate after heart bypass surgery | 1.5% | US median 2.3% |
| Death rate for COPD patients | 5.3% | US median 8.5% |
| Death rate for heart attack patients | 9.3% | US median 11.8% |
| Death rate for heart failure patients | 6.8% | US median 11% |
| Hospital-wide death rate within 30 days | 1.8% | US median 3.9% |
| Death rate for pneumonia patients | 12.9% | US median 15.2% |
| Death rate for stroke patients |
Medicare clinicians who list this hospital, by specialty
Inpatient stays by diagnosis related group (DRG), 2024
Official US government data: hospital records, ownership records, yearly cost reports and quality measures, linked by the hospital's CCN and NPI. Financials are for fiscal years as reported by the hospital.
Medicare clinicians who work here
| 2024 | $4.15B | $6.04B | -45.6% | $373.5M | 46,158 | $62.0M | 32.7% | 9.9% |
| 2023 | $3.88B | $5.51B | -42.1% | $354.4M | 44,988 | $54.8M | 33.8% | 10.7% |
| 2022 | $3.50B | $5.08B | -44.9% | $199.4M | 44,240 | $47.8M | 34.5% | 10.6% |
| 2021 | $3.38B | $4.76B | -41.0% | $3.64B | 46,219 | $44.8M | 35.4% | 9.6% |
| 2020 | $2.95B | $4.28B | -44.9% | $51.7M | 46,217 | $47.1M | 37.1% | 8.7% |
| 10.1% |
| US median 11.6% |
| Readmission rate after heart bypass surgery | 8.8% | US median 10.9% |
| Readmission rate for COPD | 19.2% | US median 19.8% |
| Readmission rate after a heart attack | 13.5% | US median 14.4% |
| Readmission rate for heart failure | 19.7% | US median 21.3% |
| Readmission rate after hip or knee replacement | 5.9% | US median 5.8% |
| Readmission rate for pneumonia | 16.9% | US median 17.2% |
| Complications after hip or knee replacement | 5.4% | US median 4.1% |
| Serious complications (patient safety composite) | 0.87 | US median 0.96 |
| C. diff intestinal infections (ratio to expected) | 0.72 | US median 0.28 · better |
| Central line bloodstream infections (ratio to expected) | 0.61 | US median 0.48 · better |
| Surgical site infections after colon surgery (ratio to expected) | 1.32 | US median 0.72 |
| Surgical site infections after hysterectomy (ratio to expected) | 0.68 | US median 0.81 |
| MRSA bloodstream infections (ratio to expected) | 0.57 | US median 0.60 · better |
| Catheter urinary tract infections (ratio to expected) | 1.02 | US median 0.40 |
| Doctors always communicated well | 81% | US median 79% |
| Nurses always communicated well | 82% | US median 80% |
| Patient survey summary star rating | 4 of 5 | US median 3 of 5 |
| Area around the room always quiet at night | 44% | US median 59% |
| Patients who rated the hospital 9 or 10 out of 10 | 78% | US median 72% |
| Room and bathroom always clean | 72% | US median 73% |
| Patients who would definitely recommend the hospital | 85% | US median 71% |
| Patients who left the emergency department before being seen | 4% | US median 1% |
| Median time in the emergency department before leaving (minutes) | 288 min | US median 148 min |
| Patients prescribed 2 or more opioids or opioids with benzodiazepines at discharge | 21% | US median 15% |
| Patients who got appropriate care for severe sepsis and septic shock | 49% | US median 65% |
| Healthcare workers given the flu vaccine | 97% | US median 79% |
| Stroke patients who got a brain scan within 45 minutes of arrival | 27% | US median 74% |
| 329 |
| $89,121.18 |
| $17,030.84 |
| $12,667.88 |
| DRG 219 CARDIAC VALVE AND OTHER MAJOR CARDIOTHORACIC PROCEDURES WITHOUT CARDIAC CATHETERIZATION | 263 | $337,937.15 | $80,982.85 | $69,386.82 |
| DRG 274 PERCUTANEOUS AND OTHER INTRACARDIAC PROCEDURES WITHOUT MCC | 256 | $98,765.61 | $34,351.44 | $24,748.54 |
| DRG 286 CIRCULATORY DISORDERS EXCEPT AMI, WITH CARDIAC CATHETERIZATION WITH MCC | 200 | $152,626.62 | $24,648.09 | $17,632.75 |
| DRG 266 ENDOVASCULAR CARDIAC VALVE REPLACEMENT AND SUPPLEMENT PROCEDURES WITH MCC | 196 | $245,368.27 | $69,784.77 | $52,994.82 |
| DRG 025 CRANIOTOMY AND ENDOVASCULAR INTRACRANIAL PROCEDURES WITH MCC | 192 | $169,716.46 | $43,922.95 | $37,824.45 |
| DRG 064 INTRACRANIAL HEMORRHAGE OR CEREBRAL INFARCTION WITH MCC | 181 | $108,296.01 | $19,888.57 | $15,695.20 |
| DRG 267 ENDOVASCULAR CARDIAC VALVE REPLACEMENT AND SUPPLEMENT PROCEDURES WITHOUT MCC | 179 | $169,160.15 | $51,929.94 | $40,566.75 |
| DRG 698 OTHER KIDNEY AND URINARY TRACT DIAGNOSES WITH MCC | 163 | $101,770.74 | $18,480.45 | $13,076.55 |
| DRG 193 SIMPLE PNEUMONIA AND PLEURISY WITH MCC | 149 | $70,791.81 | $13,294.55 | $9,867.73 |
| DRG 330 MAJOR SMALL AND LARGE BOWEL PROCEDURES WITH CC | 147 | $110,176.18 | $24,626.77 | $18,026.21 |
| DRG 853 INFECTIOUS AND PARASITIC DISEASES WITH O.R. PROCEDURES WITH MCC | 143 | $283,332.01 | $60,409.65 | $40,556.82 |
| DRG 481 HIP AND FEMUR PROCEDURES EXCEPT MAJOR JOINT WITH CC | 131 | $118,023.47 | $20,939.48 | $15,801.33 |
Hospital outpatient services by payment group (APC), 2024
| Service group | Services | Patients | Medicare pays per service | All hospitals |
|---|---|---|---|---|
| APC 8011 Comprehensive Observation Services | 2,507 | 2,205 | $2,328.53 | $2,090.36 |
| APC 5072 Level 2 Excision/ Biopsy/ Incision and Drainage | 1,339 | 1,258 | $1,371.63 | $1,219.56 |
| APC 5302 Level 2 Upper GI Procedures | 846 | 738 | $1,618.80 | $1,444.50 |
| APC 5213 Level 3 Electrophysiologic Procedures | 760 | 745 | $23,647.32 | $21,117.37 |
| APC 5114 Level 4 Musculoskeletal Procedures | 650 | 626 | $6,045.16 | $5,338.75 |
| APC 5073 Level 3 Excision/ Biopsy/ Incision and Drainage | 638 | 540 | $2,389.60 | $2,141.49 |
| APC 5115 Level 5 Musculoskeletal Procedures | 624 | 604 | $12,377.73 | $10,771.69 |
| APC 5191 Level 1 Endovascular Procedures | 502 | 499 | $2,485.99 | $2,207.96 |
| APC 5361 Level 1 Laparoscopy and Related Services | 473 | 465 | $4,873.76 | $4,357.80 |
| APC 5374 Level 4 Urology and Related Services | 465 | 377 | $2,950.45 | $2,629.24 |
| APC 5375 Level 5 Urology and Related Services | 450 | 431 | $4,378.18 | $3,917.51 |
| APC 5373 Level 3 Urology and Related Services | 441 | 369 | $1,710.86 | $1,516.28 |
Reported payments to this teaching hospital
| Company | Payments | Amount |
|---|---|---|
| AstraZeneca Pharmaceuticals LP AZN | 14 | $4.1M |
| Illumina, Inc. ILMN | 4 | $3.5M |
| Sanofi US Services Inc. SNY | 43 | $3.1M |
| E.R. Squibb & Sons, L.L.C. BMY | 24 | $2.8M |
| Amgen Inc. AMGN | 21 | $2.6M |
| Stryker Corporation SYK | 9 | $2.3M |
| Terumo Medical Corporation | 3 | $2.3M |
| Genentech, Inc. ROG.SW | 65 | $2.2M |
| Ge Healthcare GEHC | 22 | $2.0M |
| Takeda Pharmaceuticals U.S.A., Inc. TAK | 51 | $1.6M |
Official US government data on Original Medicare hospital stays and outpatient services; groups with fewer than 11 cases are not published. Payments are those drug and device companies must report.
Massachusetts General Hospital is a nonprofit short-term acute care hospital in Boston, MA with 997 beds, part of Mass General Brigham and a 5-star overall rating.
Massachusetts General Hospital in Boston, MA has 997 beds (fiscal year 2025 cost report); 907 beds are certified for Medicare. It discharged 47,091 inpatients that year, with 97.8% of its beds in use on average.
In fiscal year 2025 (ending 2025-09-30), Massachusetts General Hospital reported net patient revenue of $4.45B and operating expenses of $6.89B, a margin on patient care of -54.7%. After other income and expenses its net income was $373.0M (5.1% of revenue), so it made a profit that year.
Massachusetts General Hospital is part of Mass General Brigham, a health system with 15 hospitals based in Somerville, MA. It is a nonprofit hospital.
Massachusetts General Hospital has an overall rating of 5 out of 5 stars in the official hospital quality ratings. Patients rate it 4 out of 5 stars in the patient survey. 6 death rate measures are better and 0 worse than the national rate.
Yes, Massachusetts General Hospital provides emergency services.
5,589 Medicare clinicians list Massachusetts General Hospital as a hospital they work at, most often in Internal Medicine, Nurse Practitioner, Physician Assistant.
In 2024, Massachusetts General Hospital had 13,982 Medicare inpatient stays in 298 diagnosis groups. The most common was DRG 871 (septicemia or severe sepsis without mv >96 hours with mcc) with 640 stays; Medicare paid $20,955.60 per stay on average, compared with $15,524.21 across all hospitals.
In 2025, companies reported $59.2M in payments to Massachusetts General Hospital as a teaching hospital ($12.9M general and $46.2M for research) from 190 companies.