Data / Hospitals / New Jersey / Hackensack Meridian Mountainside Medical
Hackensack Meridian Mountainside Medical, Montclair, NJ: 4 of 5 stars, owned by Montclair Health System LLC
Hackensack Meridian Mountainside Medical in Montclair, NJ is owned by Montclair Health System LLC and HMH Hospitals Corporation, is rated 4 of 5 stars by Medicare and has emergency services. In fiscal year 2026 it had no payment reduction under the Hospital-Acquired Condition Reduction Program. Its excess readmission ratio is above 1.0 for 2 of the 5 conditions the Hospital Readmissions Reduction Program measures.
SpecStream is the live web data engine for teams and agents. It reads the CMS hospital files and the Medicare ownership file, and this page is that reading, joined on the CMS Certification Number. Ask for the hospitals you track by state, owner, system or rating, and each new penalty or rating change arrives in your sheet, CRM, Slack or agent as CMS publishes it.
- Address
- 1 Bay Avenue, Montclair, NJ 07042
- Hospital type
- Acute Care Hospitals
- Ownership type
- Proprietary
- Overall rating
- 4 of 5 stars
- Emergency services
- Yes
- Birthing friendly
- Meets the CMS birthing friendly criteria
- Mortality measures
- 0 better, 7 no different and 0 worse than the national rate
- Safety measures
- 1 better, 6 no different and 0 worse than the national rate
- Readmission measures
- 0 better, 9 no different and 1 worse than the national rate
- HAC payment reduction, fiscal year 2026
- No
- Total HAC score
- 0.062
- Conditions with excess readmissions
- 2 of 5
- CMS Certification Number
- 310054
- On Care Compare
- Medicare Care Compare
Hospital-Acquired Condition Reduction Program, fiscal year 2026
Each measure as CMS scored it. Infection measures are standardized infection ratios, where 1.0 is the national benchmark and lower is better. The program reduces Medicare payments by 1% for hospitals in the worst performing quarter of hospitals.
| Measure | Value | Winsorized z score | Source |
|---|---|---|---|
| Patient safety indicators composite (PSI 90) | 0.9464 | -0.293 | data.cms.gov |
| Central line bloodstream infections (CLABSI) | 0.474 | -0.307 | data.cms.gov |
| Catheter-associated urinary tract infections (CAUTI) | 0.832 | 0.687 | data.cms.gov |
| Surgical site infections (SSI) | 1.049 | 0.341 | data.cms.gov |
| Clostridioides difficile infections (CDI) | 0.143 | -0.908 | data.cms.gov |
| MRSA bloodstream infections | 1.106 | 0.854 | data.cms.gov |
Hospital Readmissions Reduction Program
An excess readmission ratio above 1.0 means more patients came back within 30 days than expected for this hospital's patients. Highest ratio first.
| Condition | Discharges | Excess readmission ratio | Predicted rate | Expected rate | Period | Source |
|---|---|---|---|---|---|---|
| Pneumonia | 425 | 1.0417 | 16.76% | 16.09% | 2021-07-01 to 2024-06-30 | data.cms.gov |
| Heart failure | 421 | 1.0311 | 20.61% | 19.99% | 2021-07-01 to 2024-06-30 | data.cms.gov |
| Chronic obstructive pulmonary disease | 159 | 0.9988 | 18.29% | 18.32% | 2021-07-01 to 2024-06-30 | data.cms.gov |
| Heart attack | 78 | 0.9972 | 14.29% | 14.33% | 2021-07-01 to 2024-06-30 | data.cms.gov |
| Hip and knee replacement | Not listed | 0.8881 | 4.57% | 5.15% | 2021-07-01 to 2024-06-30 | data.cms.gov |
Owners and managers
Organizations CMS lists as owners or managers of this hospital, as CMS names them, from the September 29, 2026 ownership file. CMS also lists 5 individual or personal trusts (5 officers, directors or managing employees). Their names are not shown on this page.
| Organization | Role | Share | Since | Source |
|---|---|---|---|---|
| Montclair Health System LLC | Direct owner | 80% | July 1, 2012 | data.cms.gov |
| HMH Hospitals Corporation | Direct owner | Not listed | February 20, 2014 | data.cms.gov |
| Ahp Health Partners, Inc | Indirect owner | 80% | March 13, 2017 | data.cms.gov |
| Ardent Health Inc | Indirect owner | 80% | March 13, 2017 | data.cms.gov |
| Ardent Legacy Holdings LLC | Indirect owner | 80% | March 13, 2017 | data.cms.gov |
| LHP Hospital Group, Inc. | Indirect owner | 80% | July 1, 2012 | data.cms.gov |
| LHP Montclair LLC | Indirect owner | 80% | July 1, 2012 | data.cms.gov |
| LHP Operations Co LLC | Indirect owner | 80% | July 1, 2012 | data.cms.gov |
| AHS Management Company Inc. | Operational or managerial control | 100% | January 1, 2019 | data.cms.gov |
Also on SpecStream
- All hospitals in New Jersey
- Every hospital Ardent Health Inc owns or manages
- Every hospital LHP Operations Co LLC owns or manages
- Every hospital AHS Management Company Inc. owns or manages
- Every hospital LHP Hospital Group, Inc. owns or manages
- Every hospital HMH Hospitals Corporation owns or manages
- Every hospital Ardent Legacy Holdings LLC owns or manages
- This hospital on Medicare Care Compare
Updated November 7, 2026. Read from CMS Provider Data Catalog and data.cms.gov, hospitals. Open data from the Centers for Medicare & Medicaid Services (US government work). Ratings and program results are as CMS lists them on the date shown and CMS refreshes them on its own schedule. The CMS files are joined on the CMS Certification Number. CMS gives each owner organization an ID, and an owner page groups hospitals on that ID. Names of individual owners and managers are not shown. This page uses CMS data and is not endorsed or certified by CMS. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.