Mount Sinai South Nassau
Mount Sinai South Nassau (CCN 330198) is an acute care hospital in Oceanside, NY with 435 certified beds, part of Mount Sinai Health System. Medicare overall rating: 3 of 5. Data as of August 2026.
This is an independent reference profile, not the official website of Mount Sinai South Nassau. Contact the hospital directly to schedule or to verify insurance.
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Mount Sinai South Nassau at a glance
- Hospital
- Mount Sinai South Nassau
- Location
- Oceanside, NY 11572
- Address
- One Healthy Way
- Phone
- (516) 632-3000
- Type
- Acute care hospital
- Ownership
- Voluntary non-profit — Private
- Certified beds
- 435
- Operating rooms
- 17
- Cath procedure rooms
- 2
- Emergency services
- Yes
- Health system
- Mount Sinai Health System
- Corporate parent
- MOUNT SINAI HEALTH SYSTEM
- Teaching hospital
- Yes
- Annual discharges
- 17,351
- CCN
- 330198
- NPI
- 1922079094
Services on record
Units and service lines this hospital reports operating, whether staffed directly or under arrangement. Service availability changes; verify independently.
- Intensive care unit
- Surgical ICU
- Neonatal ICU
- Shock/trauma unit
- Dedicated emergency department
- Obstetrics
- Neonatal nursery
- Pediatrics
- Cardiac catheterization lab
- Organ transplant
- Neurosurgery
- Orthopedic surgery
- Ophthalmic surgery
- Reconstructive surgery
- Chemotherapy
- MRI
- CT
- PET
- Nuclear medicine
- Therapeutic radiology
- Outpatient surgery unit
- Emergency psychiatric care
- Outpatient rehabilitation
52 cited deficiencies on record across all surveys, most recent survey 2025-12-12.
Citation counts scale with survey frequency and facility size, and say nothing on their own about current conditions.
Mapping the outpatient side of this market? Browse ambulatory surgery centers in New York or ASC-affiliated surgeons in New York.
What kind of hospital is Mount Sinai South Nassau?
Mount Sinai South Nassau is an acute care hospital in Oceanside, NY with 435 certified beds.
What health system is Mount Sinai South Nassau part of?
Mount Sinai South Nassau is affiliated with Mount Sinai Health System in our current records. System affiliations change over time; verify independently.
What services does Mount Sinai South Nassau offer?
Mount Sinai South Nassau reports operating the following units and service lines, whether staffed directly or under arrangement: Intensive care unit, Surgical ICU, Neonatal ICU, Shock/trauma unit, Dedicated emergency department, Obstetrics, Neonatal nursery, Pediatrics, Cardiac catheterization lab, Organ transplant, Neurosurgery, Orthopedic surgery, Ophthalmic surgery, Reconstructive surgery, Chemotherapy, MRI, CT, PET, Nuclear medicine, Therapeutic radiology, Outpatient surgery unit, Emergency psychiatric care, Outpatient rehabilitation. Service availability changes; verify with the hospital directly.
Is this the official website of Mount Sinai South Nassau?
No. This is an independent reference profile published by DataLily AI, not the official website of Mount Sinai South Nassau. Contact the hospital directly to schedule or to verify insurance.
Certification, capacity, ownership, and affiliations change over time. This is not an endorsement, and not billing, clinical, or legal advice. Verify against official sources before relying on it. Read the DataLily AI data methodology.