Hospital · Short-term acute hospital
Who owns Northern Westchester Hospital?
400 East Main Street · Mount Kisco, NY · 10549
Overview
Northern Westchester Hospital is a short-term acute hospital in Mount Kisco, New York, operated by Northern Westchester Hospital Association. Westchester County has 9 hospitals, 34 nursing homes and 44 urgent care centers.
Ownership
Northern Westchester Hospital is operated by Northern Westchester Hospital Association, part of Northwell Health.
- Operator
- Northern Westchester Hospital Association
- Owner group
- Northwell Health
- Ownership type
- Private Nonprofit
- Sources
Ownership history
Every dated change of operator and owner for Northern Westchester Hospital, with the source for each.
Full ownership tree of Northwell Health
Every entity between this facility and its ultimate owner, with ownership percentages and dates.
Finances
From the hospital's Medicare cost report, fiscal year ending 2024.
| Net patient revenue | $489.4M |
| Operating expenses | $512.5M |
| Net income | $77.7M |
| Net income as a share of net patient revenue | 15.9% |
| Uncompensated care cost | $1.4M |
| Charity care cost | $1.3M |
| Medicaid net revenue | $21.1M |
Payer mix by inpatient days (2024)
- Commercial and other 65.6%
- Medicare 31.7%
- Medicaid 2.6%
Services
Top inpatient services, Medicare (2024)
| Service | Discharges | Average total payment |
|---|---|---|
| Septicemia or severe sepsis without MV >96 hours with MCC · 871 | 254 | $16K |
| Heart failure and shock with MCC · 291 | 118 | $11K |
| Septicemia or severe sepsis without MV >96 hours without MCC · 872 | 81 | $9K |
| Other kidney and urinary tract diagnoses with MCC · 698 | 51 | $15K |
| Simple pneumonia and pleurisy with MCC · 193 | 50 | $10K |
Top outpatient services, Medicare (2024)
| Service | Services |
|---|---|
| Comprehensive Observation Services · 8011 | 948 |
| Level 1 Endovascular Procedures · 5191 | 270 |
| Level 5 Musculoskeletal Procedures · 5115 | 261 |
| Level 2 Excision/ Biopsy/ Incision and Drainage · 5072 | 187 |
| Level 2 Upper GI Procedures · 5302 | 173 |
Medicare fee-for-service only. Small counts are suppressed by CMS.
Location and market
- Address
- 400 East Main Street · Mount Kisco, NY · 10549
- County
- Westchester County
- State
- New York
3 off-site locations
Campuses, off-site emergency departments and outpatient departments under this hospital's certification.
Nearby hospitals
| Name | City | Distance |
|---|---|---|
| Westchester Medical Center | Valhalla | 8.6 mi |
| Phelps Hospital | Sleepy Hollow | 9.6 mi |
| Hudson Valley Hospital Center | Cortlandt Manor | 10.9 mi |
| Greenwich Hospital Association - | Greenwich | 12.2 mi |
| Montefiore Nyack Hospital | NYACK | 12.5 mi |
| Burke Rehabilitation Hospital | White Plains | 12.7 mi |
Sources and identifiers
- Operator: CMS Hospital Enrollments and All Owners (PECOS): hospital ownership graph · CMS record · AHRQ Compendium of U.S. Health Systems (hospital linkage)
- Finances and payer mix: CMS hospital cost reports (HCRIS), fiscal year 2024
- Services: CMS Medicare inpatient and outpatient utilization
- Ownership type and beds: CMS Provider of Services file
- Location: CMS and Census Bureau geography
- CMS certification number
- 330162
- NPI
- 1912992215
- Last confirmed
- 2026-10-23
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