Short-term acute care hospital · Boston, Massachusetts · 41 beds · CMS certification number 220075
Massachusetts Eye and Ear Infirmary
Its Medicare cost reports, read cell by cell. Latest filing: fiscal year ended September 30, 2025, as submitted, stamped by CMS March 11, 2026. 30 years on file, every one shown below.
Fiscal 2025 at a glance
What stands out
- Net patient revenue rose from $48.8M in its first year on file (1996) to $347.3M in 2025.
- Its result from patient care: −$111.5M (2023), −$120.6M (2024), −$110.0M (2025).
- 3 of the 5 short-term acute care hospital peers below with a margin on file also report a loss on patient care for fiscal year 2025.
- Medicaid paid for 6.0% of its inpatient days and Medicare for 28.1%.
- MASS GENERAL BRIGHAM INCORPORATED holds 100% of it, on its Medicare enrollment.
Every statement is drawn from figures on this page; nothing is estimated.
30 years of filings
Net patient revenue against operating expenses, each year as filed.
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Beside its peers
Hospitals of the same type (short-term acute care hospital), nearest in size, from Massachusetts first; each on fiscal year 2025.
| Hospital | Beds | Net patient revenue | Operating expenses | Margin |
|---|---|---|---|---|
| Massachusetts Eye and Ear Infirmary | 41 | $347,309,016 | $457,310,411 | −31.7% |
| Baystate Noble Hospital, Westfield | 50 | $83,858,961 | $81,859,285 | 2.4% |
| Baystate Wing Hospital & Medical Centers, Palmer | 46 | $96,469,322 | $95,801,628 | 0.7% |
| Dana-Farber Cancer Institute, Boston | 30 | $3,012,853,364 | $3,819,802,776 | −26.8% |
| Nantucket Cottage Hospital, Nantucket | 14 | $84,362,630 | $106,778,179 | −26.6% |
| New England Baptist Hospital, Boston | 62 | $179,184,505 | $223,434,709 | −24.7% |
Patients and payers
- Discharges
- 1,553S-3 line 14, col 15
- Inpatient days
- 6,244S-3 line 14, col 8
- Beds in use, on an average day
- 17.2days ÷ days in year
- Occupancy
- 41.7%days ÷ bed days
- Medicare share of days
- 28.1%S-3 cols 6 ÷ 8
- Medicaid share of days
- 6.0%S-3 cols 7 ÷ 8
Who owns it
- MASS GENERAL BRIGHAM INCORPORATED100%
Related organizations on its own cost report: MGB (100%), healthcare.
Other hospitals with the same owner: Cooley Dickinson Hospital (MA), Salem Hospital (MA), Newton-Wellesley Hospital (MA), Brigham & Womens Hospital (MA), Brigham and Women's Faulkner Hospital (MA), Nantucket Cottage Hospital (MA), Spaulding Hospital for Continuing Medical Care - Cambridge (MA), Spaulding Rehabilitation Hospital Cape Cod (MA), Spaulding Rehabilitation Hospital - Boston (MA), The McLean Hospital (MA).
Type of control on its cost report: voluntary nonprofit, other.
Owners of 5% or more, from CMS’s hospital ownership file (Medicare enrollment, October 1, 2026).
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Figures: CMS Healthcare Cost Report Information System, file HOSP10FY2025.ZIP, form CMS-2552-10, filed under CMS certification number 220075. Patients and payers: worksheet S-3 Part I of the same filing. Ownership: CMS Hospital All Owners and Hospital Enrollments.
How this page was built: the CMS Medicare cost report, file HOSP10FY2025.ZIP, read March 11, 2026.