Short-term acute care hospital · Montclair, New Jersey · 212 beds · CMS certification number 310054
Hackensack Meridian Health, Mountainside Medical Center
Its Medicare cost reports, read cell by cell. Latest filing: fiscal year ended December 31, 2025, as submitted, stamped by CMS June 29, 2026. 30 years on file, every one shown below.
Fiscal 2025 at a glance
What stands out
- Net patient revenue rose from $72.6M in its first year on file (1996) to $378.7M in 2025.
- Its result from patient care: $51.7M (2023), $57.0M (2024), $74.7M (2025).
- 3 of the 5 short-term acute care hospital peers below with a margin on file also report a gain on patient care for fiscal year 2025.
- Medicaid paid for 0.8% of its inpatient days and Medicare for 28.8%.
- AHP HEALTH PARTNERS, INC holds 80% 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 Jersey with 200 to 399 beds, each on fiscal year 2025.
| Hospital | Beds | Net patient revenue | Operating expenses | Margin |
|---|---|---|---|---|
| Hackensack Meridian Health, Mountainside Medical Center | 212 | $378,655,140 | $303,953,544 | 19.7% |
| Capital Health Medical Center - Hopewell, Hopewell | 205 | $847,139,000 | $844,848,001 | 0.3% |
| Capital Health Regional Medical Center, Trenton | 204 | $471,166,000 | $484,613,093 | −2.9% |
| Penn Medicine Princeton Medical Center, Plainsboro | 213 | $622,541,266 | $642,313,526 | −3.2% |
| Riverview Medical Center, Red Bank | 232 | $454,058,064 | $427,887,477 | 5.8% |
| Robert Wood Johnson University Hospital at Rahway, Rahway | 213 | $152,022,504 | $147,323,613 | 3.1% |
Patients and payers
- Discharges
- 9,871S-3 line 14, col 15
- Inpatient days
- 42,743S-3 line 14, col 8
- Beds in use, on an average day
- 117.4days ÷ days in year
- Occupancy
- 55.3%days ÷ bed days
- Medicare share of days
- 28.8%S-3 cols 6 ÷ 8
- Medicaid share of days
- 0.8%S-3 cols 7 ÷ 8
Who owns it
- AHP HEALTH PARTNERS, INC80%
- ARDENT HEALTH INC80%
- ARDENT LEGACY HOLDINGS LLC80%
- LHP HOSPITAL GROUP, INC.80%
- LHP MONTCLAIR LLC80%
- LHP OPERATIONS CO LLC80%
- MONTCLAIR HEALTH SYSTEM LLC80%
Indirect owner: HMH HOSPITALS CORPORATION
Related organizations on its own cost report: AHS MANAGEMENT (100%), corporate offic.
Other hospitals with the same owner: Portneuf Medical Center (ID), The University of Kansas Health System, St. Francis Campus (KS), Hackensack Meridian Health, Pascack Valley (NJ), Lovelace Medical Center (NM), Lovelace Womens Hospital (NM), Lovelace Westside Hospital (NM), Lovelace Regional Hospital Roswell (NM), Lovelace UNM Rehabilitation Hospital (NM).
Type of control on its cost report: proprietary, corporation.
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 310054. 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 29, 2026.