Short-term acute care hospital · Boston, Massachusetts · 705 beds · CMS certification number 220086
Beth Israel Deaconess Medical Center
Its Medicare cost reports, read cell by cell. Latest filing: fiscal year ended September 30, 2025, as submitted, stamped by CMS March 12, 2026. 30 years on file, every one shown below. Also on the 340B covered-entity register.
Fiscal 2025 at a glance
What stands out
- Net patient revenue rose from $374.2M in its first year on file (1996) to $2.3B in 2025.
- Its result from patient care: −$636.2M (2023), −$987.6M (2024), −$886.0M (2025).
- All 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 9.9% of its inpatient days and Medicare for 29.7%.
- BETH ISRAEL LAHEY HEALTH, INC. 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
Short-term acute care hospitals in Massachusetts with 400 and over beds, each on fiscal year 2025.
| Hospital | Beds | Net patient revenue | Operating expenses | Margin |
|---|---|---|---|---|
| Beth Israel Deaconess Medical Center | 705 | $2,306,279,976 | $3,192,327,792 | −38.4% |
| Baystate Medical Center, Springfield | 740 | $1,756,114,854 | $1,785,519,786 | −1.7% |
| Boston Medical Center, Boston | 459 | $1,735,839,872 | $2,992,100,772 | −72.4% |
| Brigham & Womens Hospital, Boston | 846 | $3,345,285,794 | $4,488,282,761 | −34.2% |
| Tobey Hospital, Fall River | 656 | $1,148,901,437 | $1,285,459,831 | −11.9% |
| Umass Memorial Medical Center, Worcester | 707 | $2,643,050,899 | $2,924,030,956 | −10.6% |
Patients and payers
- Discharges
- 38,958S-3 line 14, col 15
- Inpatient days
- 243,857S-3 line 14, col 8
- Beds in use, on an average day
- 669.9days ÷ days in year
- Occupancy
- 94.8%days ÷ bed days
- Medicare share of days
- 29.7%S-3 cols 6 ÷ 8
- Medicaid share of days
- 9.9%S-3 cols 7 ÷ 8
Who owns it
- BETH ISRAEL LAHEY HEALTH, INC.100%
Related organizations on its own cost report: CAREGROUP (100%), health care.
Other hospitals with the same owner: Mount Auburn Hospital (MA), Anna Jaques Hospital (MA), Beverly Hospital, Addison Gilbert Hospital, Bay Ridge Hospital (MA), Beth Israel Deaconess Hospital Plymouth (MA), Beth Israel Deaconess Hospital - Needham (MA), New England Baptist Hospital (MA), Winchester Hospital (MA), Beth Israel Deaconess Hospital-Milton (MA), Lahey Clinic (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 220086. 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 12, 2026.