Short-term acute care hospital · Mount Kisco, New York · 162 beds · CMS certification number 330162
Northern Westchester Hospital
Its Medicare cost reports, read cell by cell. Latest filing: fiscal year ended December 31, 2025, as submitted, stamped by CMS June 24, 2026. 30 years on file, every one shown below.
Fiscal 2025 at a glance
What stands out
- Net patient revenue rose from $77.2M in its first year on file (1996) to $520.8M in 2025.
- Its result from patient care: −$13.2M (2023), −$23.1M (2024), −$45.1M (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 3.5% of its inpatient days and Medicare for 32.7%.
- NORTHWELL 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 New York with 100 to 199 beds, each on fiscal year 2025.
| Hospital | Beds | Net patient revenue | Operating expenses | Margin |
|---|---|---|---|---|
| Northern Westchester Hospital | 162 | $520,776,570 | $565,869,815 | −8.7% |
| St. Johns Episcopal Hospital, Far Rockaway | 158 | $254,717,394 | $467,063,693 | −83.4% |
| Mercy Hospital, Rockville Centre | 166 | $317,126,456 | $386,140,126 | −21.8% |
| Roswell Park Cancer Institute, Buffalo | 157 | $885,119,180 | $1,332,089,130 | −50.5% |
| Samaritan Medical Center, Watertown | 165 | $362,776,741 | $374,934,731 | −3.4% |
| St. Catherine of Siena Hospital, Smithtown | 163 | $267,677,324 | $332,506,656 | −24.2% |
Patients and payers
- Discharges
- 9,833S-3 line 14, col 15
- Inpatient days
- 36,858S-3 line 14, col 8
- Beds in use, on an average day
- 101.3days ÷ days in year
- Occupancy
- 62.3%days ÷ bed days
- Medicare share of days
- 32.7%S-3 cols 6 ÷ 8
- Medicaid share of days
- 3.5%S-3 cols 7 ÷ 8
Who owns it
- NORTHWELL HEALTH INC100%
- NORTHWELL HEALTHCARE INC100%
- NORTHWELL, INC.100%
Related organizations on its own cost report: NORTHWELL HEALTH, not-for-profit parent; FLEXSTAFF, flexible staffi; NSLIJ LABORATOR, lab services; REGION CARE INC, homecare staffi; STARS, sports therapy&.
Other hospitals with the same owner: Sharon Hospital (CT), Danbury Hospital (CT), Norwalk Hospital (CT), Vassar Brothers Medical Center (NY), South Shore University Hospital (NY), Huntington Hospital Association (NY), Northern Dutchess Hospital (NY), North Shore University Hospital (NY).
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 330162. 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 June 24, 2026.