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Short Term Acute Care HospitalVoluntary Non-Profit - Private

Southside Hospital

Northwell Health · Bay Shore, NY

301 East Main Street, Bay Shore, NY 11706(631) 968-3000

3 of 5

CMS star rating

324

Beds

24,051

Inpatient discharges a year

$915.4M

Net patient revenue a year

37

In-network payers

About this hospital

Southside Hospital is a 324-bed voluntary non-profit - private hospital in Bay Shore, NY, affiliated with Northwell Health. Below you'll find publicly disclosed negotiated rates and facility details, including 37 in-network payers and 360 disclosed rate categories.

  • Rural referral center
  • Reclassified as rural
  • Disproportionate share hospital
  • 340B participant
  • ACO participant
CCN
330043
NPI
1457369381
Health system
Northwell Health
Teaching
Teaching hospital
County
Suffolk County
Metro area
New York-Newark-Jersey City, NY-NJ MSA
Medicare contractor
Jurisdiction K, National Government Services (13001)
In Medicare since
1966
Last CMS survey
2026

Prices for common services

The 24 services Southside Hospital most likely performs, ranked by likely volume and what it is paid. Each service names one insurer. * marks hidden insurer names; A, B and C rank the remaining rates from low to high and reset for each service.

Book a demo to see hidden insurer names, more payer rates, and hospital data, or start a free trial.

Childbirth · Inpatient

Vaginal delivery, hospital stay

MS-DRG 807

$16,554 - $23,701

from 4 insurers · median $20,797

Aetna$22,059
Insurer A*$16,554
Insurer B*$19,536
Insurer C*$23,701

CMS lists this service as CPT 59400, the obstetrician's global fee. The hospital bills the delivery stay as MS-DRG 807, so these are facility case rates.

Hospital reports neonatal nursery services to CMS

Childbirth · Inpatient

Cesarean delivery, hospital stay

MS-DRG 788

$22,644 - $34,995

from 4 insurers · median $30,945

Aetna$34,108
Insurer A*$22,644
Insurer B*$27,782
Insurer C*$34,995

CMS lists this service as CPT 59510, the obstetrician's global fee. The hospital bills the delivery stay as MS-DRG 788, so these are facility case rates.

Hospital reports neonatal nursery services to CMS

Gynecology

Hysteroscopy with sampling of the uterine lining

CPT 58558

$7,274 - $23,920

from 4 insurers · median $13,804

Blue Cross$23,920
Insurer A*$7,274
Insurer B*$8,542
Insurer C*$19,065
Medicare $3,569Nearby hospitals $4,047241% above nearby hospitals

54 Medicare claims in Level 4 Gynecologic Procedures (CMS 2024)

Medicine & Surgery · Inpatient

Major lower-extremity joint replacement without MCC

MS-DRG 470

$38,042 - $75,773

from 4 insurers · median $57,131

Aetna$75,773
Insurer A*$38,042
Insurer B*$53,159
Insurer C*$61,104
Medicare $12,850Nearby hospitals $36,68556% above nearby hospitals

111 Medicare discharges for this DRG in CMS hospital data

How the insurers pay at Southside Hospital

Median rate as a percent of Medicare across the outpatient services above, and how many services sit above or below the same insurer's median at nearby hospitals. * marks hidden insurer names. These table labels track the same insurers across services; the labels on each service card reset.

InsurerServicesMedian % of MedicareAbove nearbyBelow nearby
Insurer A*24
347%
117
Insurer B*18
329%
93
Insurer C*24
230%
174
Insurer D*24
217%
114

How we chose these services: 6 appear in this hospital's own Medicare claims, 10 are common here based on CMS Medicare volume, and 8 are typical for the service lines it reports to CMS. Rates come from insurer and hospital price transparency files as of October 2026. Rates under a quarter of Medicare or over 20 times Medicare are left out as likely physician-fee rows or file errors. Book a demo to see all 300 CMS shoppable services for Southside Hospital, or start a free trial.

Insurance Accepted

Acceptance varies by plan and service. Confirm coverage with your insurer or the hospital's billing department.

Medicare
Aetna
BCBS
Cigna
United Healthcare (incl Optum, Rocky Mountain, Health Plan of Nevada, Sierra Health)
Ameri HealthAspirus Health PlanAvera Health PlansBanner HealthCenteneDean Health Plan

More about this hospital

  • Quality

    3 of 5 stars

    • 284 min in the ER before going home (US median 148)
    • Medicare readmissions penalty (-0.36%)
    See quality ratings
  • Doctors and services

    Accredited by The Joint Commission

    • Teaching hospital
    • 45 services, including trauma care
    • 937 affiliated clinicians
    See doctors and services
  • Finances

    $915.4M net patient revenue

    • Operating margin on patient care -34.7%
    • $60.1M unreimbursed and uncompensated care
    • $41M net income
    See finances
  • Ownership and leadership

    Owned by Northwell Health Inc

    • Private (not for profit)
    • Michele L Cusack, chief executive
    • 340B drug pricing program participant
    See ownership and leadership

Tax IDs and NPIs insurers list

The employer identification numbers (EINs) health plans and networks list for Southside Hospital in the in-network rate files they publish, with the organization NPIs billed under each.

Tax ID (EIN)Plans and networks listing itOrganization NPIs
11-1667761Southside Hospital50Aetna, Cigna, United Healthcare (incl Optum, Rocky Mountain, Health Plan of Nevada, Sierra Health), Allied Benefit Systems, Aspirus Health Plan and 45 more1457369381 South Shore University Hospital1649305228 Southside Hospital Department Of Cardiology1851643704 Southside Hospitaland 8 more

Source: PayerPrice analysis of insurers' Transparency in Coverage in-network files. An EIN can cover several hospitals and clinics in a health system, and insurers sometimes list other organizations' NPIs under it.

Location

301 East Main Street, Bay Shore, NY 11706

(631) 968-3000

Get directions

Frequently asked questions

About Southside Hospital's rates and hospital price transparency.

How much does a CT scan cost at Southside Hospital?

For CT abdomen and pelvis with contrast (CPT 74177), published negotiated rates at Southside Hospital range from $547 to $778 across 4 insurers. Cigna's rate is $704. The median at nearby comparable hospitals is $733. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a colonoscopy cost at Southside Hospital?

For Colonoscopy with biopsy (CPT 45380), published negotiated rates at Southside Hospital range from $3,031 to $7,397 across 3 insurers. UnitedHealthcare's rate is $3,031. The median at nearby comparable hospitals is $3,706. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does giving birth cost at Southside Hospital?

For Vaginal delivery, hospital stay (MS-DRG 807), published negotiated rates at Southside Hospital range from $16,554 to $23,701 across 4 insurers. Aetna's rate is $22,059. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a mammogram cost at Southside Hospital?

For Screening mammography, bilateral (CPT 77067), published negotiated rates at Southside Hospital range from $197 to $273 across 4 insurers. Cigna's rate is $273. The median at nearby comparable hospitals is $264. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does hip or knee replacement cost at Southside Hospital?

For Major lower-extremity joint replacement without MCC (MS-DRG 470), published negotiated rates at Southside Hospital range from $38,042 to $75,773 across 4 insurers. Aetna's rate is $75,773. The median at nearby comparable hospitals is $36,685. What a patient pays depends on their plan's deductible, coinsurance and network status.

What is Southside Hospital's CMS star rating?

Southside Hospital has a CMS overall hospital star rating of 3 out of 5 on Medicare Care Compare (CMS data released 2026-08-13). That is lower than 42% of US hospitals.

Is Southside Hospital a teaching hospital?

Yes. CMS counts 0.24 Medicare-funded residents per bed at Southside Hospital for fiscal year 2027, so it is a teaching hospital.

Does Medicare penalize Southside Hospital for readmissions?

Yes. Under the Hospital Readmissions Reduction Program, Medicare cuts Southside Hospital's base inpatient payments by an estimated 0.36% in fiscal year 2027 for more readmissions than expected.

What are the most common Medicare inpatient stays at Southside Hospital?

In 2024, the most common were septicemia or severe sepsis without mv >96 hours with mcc (527 discharges), heart failure and shock with mcc (180 discharges), respiratory infections and inflammations with mcc (130 discharges).

What is Southside Hospital's case mix index?

Southside Hospital's Medicare case mix index is 2.24 for fiscal year 2027, higher than 88% of hospitals paid under the inpatient prospective payment system.

For hospital finance and compliance teams

Running price transparency at a hospital like this one?

The data on this page comes from the files hospitals and payers publish. We help hospitals publish theirs correctly, and take a fresh look at their chargemaster.

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Publish a CMS-compliant machine-readable file

We turn your chargemaster and payer contracts into the CMS template file, then keep it current as rates change.

CMS v3 example: standard_charge_information[0]
{
  "description": "MRI of brain (no contrast)",
  "code_information": [
    { "code": "611", "type": "RC" },
    { "code": "70551", "type": "CPT" }
  ],
  "standard_charges": [{
    "setting": "outpatient",
    "minimum": 250,
    "maximum": 400,
    "gross_charge": 1200,
    "discounted_cash": 1080,
    "payers_information": [
      {
        "payer_name": "Platform Health Insurance",
        "plan_name": "PPO",
        "methodology": "fee schedule",
        "standard_charge_dollar": 400
      },
      {
        "payer_name": "Region Health Insurance",
        "plan_name": "HMO",
        "methodology": "fee schedule",
        "standard_charge_dollar": 250
      }
    ]
  }]
}
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  • cms-hpt.txt file and homepage footer link
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Your chargemaster sets the gross charge on every claim, and many payer contracts base payment on it through percent-of-charge, lesser-of and stop-loss terms. We audit it line by line and show how your charges and negotiated rates compare with peer hospitals before your next negotiation.

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  • Missing, duplicate and outdated charge lines identified
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