Mercy Hospital
- Beds, FY2025
- 166
- Affiliated HCPs
- 699
- Executives
- 56
- Discharges, FY2025
- 8,999
- Net patient revenue, FY2025
- $317.1M
- Facility address
- 1000 North Village Avenue, Rockville Centre, NY 11571
- Main phone
- (516) 705-2525
- Designations
- Neonatal ICU
Parent organization
Catholic Health
Health system · Rockville Centre, New York
Ultimate parent organization
Diocese of Rockville Centre
Religious sponsor · Rockville Centre, New York
Find the right contacts among 56 executives and 699 HCPs
Professional emails, personal emails and mobile numbers for Mercy Hospital's buying committee, with a free Dmand AI account.
Mercy Hospital is a 166-bed teaching hospital in Rockville Centre, New York
Mercy Hospital is a nonprofit hospital in Diocese of Rockville Centre.
Sources: Provider of Services File - Hospital & Non-Hospital Facilities (CMS); Dmand AI Org Hierarchy Data; and Hospital Provider Cost Report (CMS)
Mercy Hospital has 56 executives and leaders in Dmand AI
Waterfall enrichment finds their professional emails, personal emails and mobile numbers.
Executives by department
- Nursing14, names and contacts available with a free account
- Executive Leadership8, names and contacts available with a free account
- Population Health, Value-Based Care and Care Management4, names and contacts available with a free account
- Service lines and programs4, names and contacts available with a free account
- Pharmacy2, names and contacts available with a free account
- See every department
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Source: Dmand AI Executive Data
Mercy Hospital's NPI is 1659330173 and its CCN is 330259
- NPI
- 1659330173NPI Registry (opens in a new tab)
- CMS Certification Number (CCN)
- 330259
- Medicare PAC ID
- 4082518006
- Dmand ID
- SOC-H-003319
- Tax ID (EIN)
- 11-1635088
- Program participation
- Medicare and Medicaid
- Facility address
- 1000 North Village Avenue, Rockville Centre, NY 11571
- County
- Nassau County
- Main phone
- (516) 705-2525
- Executive emails and mobiles
- Get contacts
- Facility type
- Acute care teaching hospital
- CMS hospital type
- Acute Care Hospital
- Ownership
- Voluntary Nonprofit - Church
- Setting
- Urban
- Accreditation
- The Joint Commission
- Teaching status
- Teaching hospital
Sources: NPPES NPI Registry (CMS); Provider of Services File - Hospital & Non-Hospital Facilities (CMS); Dmand AI Org Hierarchy Data; Dmand AI Organization Profile Data; and Hospital Enrollments (CMS)
Mercy Hospital is part of Diocese of Rockville Centre
Dmand AI places Mercy Hospital under Catholic Health, part of Diocese of Rockville Centre. Diocese of Rockville Centre also runs 5 other hospitals and 48 medical groups.
- Diocese of Rockville Centre
- Catholic Health
- Mercy Hospital
- 7 outpatient sites
5 other hospitals in Diocese of Rockville Centre
Outpatient sites under Mercy Hospital
Source: Dmand AI Org Hierarchy Data
Org hierarchy
See every hospital, unit and off-campus site from the IDN down, with the executives and HCPs at each one, in a free Dmand AI account.
Mercy Hospital has 166 beds and discharged 8,999 inpatients in fiscal 2025
| Bed type | Beds |
|---|---|
| Staffed beds (fiscal 2025 cost report) | 166 |
| Licensed beds | 375 |
| CMS certified beds | 375 |
| Psychiatric unit beds | 39 |
| Rehabilitation unit beds | 37 |
Inpatient volume and staffing, fiscal 2025
- Inpatient discharges
- 8,999
- Inpatient days
- 47,839
- Average length of stay
- 5.3 days
- Occupancy
- 79.0% of available bed days
- Medicare discharges
- 2,451 (27.2%)
- Medicaid discharges
- 576 (6.4%)
- Employees on payroll
- 1,543 FTE
- Registered nurses
- 14
- Residents and interns
- 11 FTE
- Operating rooms
- 9
- Cardiac catheterization rooms
- 1
- Endoscopy rooms
- 3
Trauma, burn, intensive care and transplant services
- Neonatal ICU
- Yes
Sources: Provider of Services File - Hospital & Non-Hospital Facilities (CMS); and Hospital Provider Cost Report (CMS)
Mercy Hospital had 1,663 Medicare inpatient discharges across 57 DRGs
Outpatient, it billed Medicare for 988 services in 20 ambulatory payment classifications (APCs). CMS publishes only the DRGs and APCs with 11 or more cases, so the smallest ones are left out of these counts.
- Medicare inpatient discharges
- 1,663
- Diagnosis related groups (DRGs)
- 57
- Medicare outpatient services
- 988
Most common Medicare inpatient DRGs at Mercy Hospital
- 871Septicemia or severe sepsis without MV >96 hours with MCC259
- 291Heart failure and shock with MCC112
- 690Kidney and urinary tract infections without MCC53
- 392Esophagitis, gastroenteritis and miscellaneous digestive disorders without MCC50
- 280Acute myocardial infarction, discharged alive with MCC46
Medicare fee-for-service discharges per diagnosis related group (DRG). Share is of all Medicare discharges CMS reports for the hospital.
Most billed Medicare outpatient services at Mercy Hospital
Medicare fee-for-service services per ambulatory payment classification (APC). Share is of all Medicare outpatient services CMS reports for the hospital.
Sources: Medicare Inpatient Hospitals - by Provider and Service (CMS); and Medicare Outpatient Hospitals - by Provider and Service (CMS)
Mercy Hospital has a 5-star CMS overall quality rating
CMS rates hospitals from 1 to 5 stars on mortality, safety of care, readmissions, patient experience and timely and effective care. The patient survey stars come from 840 completed HCAHPS surveys, a 18% response rate.
- CMS overall star rating
- 5 of 5
- Patient survey (HCAHPS) summary
- 3 of 5
- Completed patient surveys
- 840
How patients rate Mercy Hospital in the CMS patient survey (HCAHPS)
- Nurse communication3 of 5
- Doctor communication2 of 5
- Communication about medicines2 of 5
- Discharge information3 of 5
- Cleanliness3 of 5
- Quietness3 of 5
- Overall hospital rating3 of 5
- Recommend the hospital3 of 5
Sources: Hospital General Information (CMS); and Patient survey (HCAHPS) - Hospital (CMS)
Mercy Hospital offers 38 of the 57 services CMS tracks
It has every service CMS tracks in 3 of the 10 service lines, and some of them in 7 more.
- Emergency and urgent care1 of 3
- Surgery7 of 10
- Intensive care2 of 6
- Imaging and lab7 of 7
- Cancer care2 of 2
- Maternity and children's care2 of 3
- Behavioral health4 of 7
- Rehabilitation and therapy7 of 7
- Transplant and kidney care2 of 4
- Pharmacy and support services4 of 8
Most specialized services at Mercy Hospital
Offered by the fewest US hospitals.
Source: Provider of Services File - Hospital & Non-Hospital Facilities (CMS)
Mercy Hospital reported $317.1 million in net patient revenue in fiscal 2025
Its net loss was 14.5% of net patient revenue.
- Net patient revenue
- $317.1M
- Gross patient revenue (charges)
- $1.78B
- Operating expenses
- $386.1M
- Net income
- -$45.9M
- Uncompensated care
- $7.4M
- Estimated revenue leakage
- See the estimate
- Denied claims trend
- See denied claims
- Medicare
- Participates
- Medicaid
- Participates
- Medicare share of inpatient days
- 30.9%
- Medicaid share of inpatient days
- 9.1%
- Commercial payer mix
- See payer mix
Source: Hospital Provider Cost Report (CMS)
Financials
Get denied inpatient and outpatient claims, Medicare and Medicaid revenue splits, and the Dmand AI revenue leakage estimate for Mercy Hospital, with year-over-year trends.
699 HCPs are affiliated with Mercy Hospital
Mercy Hospital physicians by specialty
- Internal medicine63
- Anesthesiology31
- Cardiovascular disease31
- Diagnostic radiology30
- Neurology27
Share of the 493 physicians Dmand AI links to Mercy Hospital.
Medical groups with the most clinicians at Mercy Hospital
104 groups with 5 or more clinicians here. Clinicians can bill through more than one group, so counts overlap.
Physicians at Mercy Hospital
Sources: NPPES NPI Registry (CMS); and Dmand AI Affiliation Data
Dmand AI tracks 126 products in 25 technology categories at Mercy Hospital
Vendor names, products and install status are available with a free account.
| Category | Vendor and product | Install status |
|---|---|---|
| EHR, ambulatory | Available with a free account | Available with a free account |
| EHR, inpatient | Available with a free account | Available with a free account |
| EHR | Available with a free account | Available with a free account |
| Revenue Cycle Management | Available with a free account | Available with a free account |
| Clinical and Business Intelligence | Available with a free account | Available with a free account |
Source: Dmand AI Technology Install Data
Technology
Get vendor and product names and install status for all 25 categories tracked at Mercy Hospital, plus the IT leaders who own them.
John Morahan is listed as vice president of finance in Mercy Hospital's CMS ownership record
Mercy Hospital's CMS ownership record lists 18 corporate directors and 3 corporate officers.
- John MorahanVice president of finance · Corporate officerSince 2019
- Patrick M. OshaughnessyChief executive officer · Corporate officerSince 2021
- Ihab IbrahimInterim president · Corporate officerSince 2022
Source: Hospital All Owners (CMS)
Hospitals similar in size to Mercy Hospital
These acute care hospitals in the Northeast have the closest bed counts to Mercy Hospital on their latest cost reports.
| Hospital | Beds | Discharges |
|---|---|---|
| Indiana Regional Medical CenterIndiana, PA | 166 | 4,561 |
| Allegheny Health Network Sewickley Hospital, Heritage ValleySewickley, PA | 165 | 4,248 |
| Samaritan Medical CenterWatertown, NY | 165 | 7,220 |
| Brigham and Women's Faulkner HospitalJamaica Plain, MA | 164 | 8,688 |
| Heights University HospitalJersey City, NJ | 163 | 3,709 |
Sources: Hospital Provider Cost Report (CMS); and Dmand AI Peer Benchmarks
Sources for Mercy Hospital data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Mercy Hospital
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is the address and phone number of Mercy Hospital?
Mercy Hospital is at 1000 North Village Avenue, Rockville Centre, NY 11571. Its main phone number is (516) 705-2525.
How many beds does Mercy Hospital have?
Mercy Hospital has 166 staffed beds on its fiscal 2025 Medicare cost report and is licensed for 375.
What is Mercy Hospital's CMS star rating?
Mercy Hospital has 5 out of 5 stars in the CMS Overall Hospital Quality Star Rating and 3 out of 5 stars in the HCAHPS patient survey.
How many Medicare patients does Mercy Hospital admit?
CMS reports 1,663 Medicare fee-for-service inpatient discharges at Mercy Hospital across 57 DRGs. The most common is septicemia or severe sepsis without MV >96 hours with MCC.
How many patients does Mercy Hospital treat each year?
Mercy Hospital discharged 8,999 inpatients in fiscal 2025, with 47,839 inpatient days.
Is Mercy Hospital a teaching hospital?
Yes. CMS lists Mercy Hospital as a teaching hospital and 11 resident and intern FTEs.
What is Mercy Hospital's annual revenue?
Mercy Hospital reported $317.1 million in net patient revenue in fiscal 2025, on $1.78 billion in gross charges.
Is Mercy Hospital profitable?
Mercy Hospital reported a net loss of $45.9 million on its fiscal 2025 Medicare cost report.
What share of Mercy Hospital's patients are on Medicare or Medicaid?
Medicare covered 30.9% and Medicaid 9.1% of inpatient days at Mercy Hospital in fiscal 2025.
What health system is Mercy Hospital part of?
Mercy Hospital is part of Diocese of Rockville Centre, based in Rockville Centre. Diocese of Rockville Centre has 5 other hospitals in Dmand AI.
Show 6 more questionsShow fewer questions
Who owns Mercy Hospital?
Mercy Hospital is a nonprofit hospital (Voluntary Nonprofit - Church in CMS records). Dmand AI places it under Diocese of Rockville Centre. Its CMS ownership record lists 21 owners, directors and managers, including John Morahan.
What physician groups are affiliated with Mercy Hospital?
Groups with the most clinicians at Mercy Hospital include Cardiac Interventional Group and Mercy Hospital. Dmand AI finds 104 medical groups with 5 or more clinicians there.
How many physicians work at Mercy Hospital?
Dmand AI links 493 physicians and 699 HCPs in all to Mercy Hospital with a current affiliation.
What is Mercy Hospital's NPI number?
Mercy Hospital's NPI number is 1659330173.
What is Mercy Hospital's CCN?
Mercy Hospital's CMS Certification Number (CCN) is 330259.
Is Mercy Hospital for-profit or nonprofit?
Mercy Hospital is a nonprofit hospital, listed as Voluntary Nonprofit - Church in CMS records.
Selling to acute care hospitals?
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