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Short Term Acute Care HospitalVoluntary Non-Profit - Private

St Charles Hospital

Catholic Health Services of Long Island · Port Jefferson, NY

200 Belle Terre Road, Port Jefferson, NY 11777(631) 474-6000

5 of 5

CMS star rating

186

Beds

8,367

Inpatient discharges a year

$258.7M

Net patient revenue a year

37

In-network payers

About this hospital

St Charles Hospital is a 186-bed voluntary non-profit - private hospital in Port Jefferson, NY, affiliated with Catholic Health Services of Long Island. Below you'll find publicly disclosed negotiated rates and facility details, including 37 in-network payers and 382 disclosed rate categories.

  • Disproportionate share hospital
CCN
330246
NPI
1164481529
Health system
Catholic Health Services of Long Island
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
2025

Prices for common services

The 24 services St Charles 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

$11,130 - $13,733

from 4 insurers · median $12,278

Cigna$12,521
Insurer A*$11,130
Insurer B*$12,036
Insurer C*$13,733

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

$15,762 - $19,838

from 4 insurers · median $16,354

Cigna$16,316
Insurer A*$15,762
Insurer B*$16,392
Insurer C*$19,838

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

Medicine & Surgery · Inpatient

Major lower-extremity joint replacement without MCC

MS-DRG 470

$34,157 - $42,385

from 4 insurers · median $37,014

Aetna$36,030
Insurer A*$34,157
Insurer B*$37,997
Insurer C*$42,385
Medicare $14,523Nearby hospitals $54,91033% below nearby hospitals

62 Medicare discharges for this DRG in CMS hospital data

Gynecology

Hysteroscopy with sampling of the uterine lining

CPT 58558

$3,414 - $4,908

from 4 insurers · median $4,109

Cigna$4,555
Insurer A*$3,414
Insurer B*$3,664
Insurer C*$4,908
Medicare $3,863Nearby hospitals $10,69162% below nearby hospitals

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

How the insurers pay at St Charles 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
277%
55
Insurer B*24
212%
58
Insurer C*24
202%
713
Insurer D*24
185%
110

How we chose these services: 8 appear in this hospital's own Medicare claims, 11 are common here based on CMS Medicare volume, and 5 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 St Charles 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 HealthCenteneEMI Health

More about this hospital

  • Quality

    5 of 5 stars

    • 228 min in the ER before going home (US median 148)
    • No Medicare readmissions penalty
    See quality ratings
  • Doctors and services

    Accredited by The Joint Commission

    • Teaching hospital
    • 36 services
    • 590 affiliated clinicians
    See doctors and services
  • Finances

    $258.7M net patient revenue

    • Operating margin on patient care -24.7%
    • $27.1M unreimbursed and uncompensated care
    • -$12.7M net income
    See finances
  • Ownership and leadership

    Owned by Catholic Health System of Long Island Inc

    • Church
    • Patrick M O'Shaughnessy, chief executive
    See ownership and leadership

Tax IDs and NPIs insurers list

The employer identification numbers (EINs) health plans and networks list for St Charles 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
11-1871039St Charles Hospital55Aetna, Cigna, United Healthcare (incl Optum, Rocky Mountain, Health Plan of Nevada, Sierra Health), Allied Benefit Systems, Aspirus Health Plan and 50 more1497765630 St Charles Hospital Corp1164481529 St Charles Hospital Corp1225097652 St Charles Hospital Corpand 7 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

200 Belle Terre Road, Port Jefferson, NY 11777

(631) 474-6000

Get directions

Frequently asked questions

About St Charles Hospital's rates and hospital price transparency.

How much does a CT scan cost at St Charles Hospital?

For CT abdomen and pelvis with contrast (CPT 74177), published negotiated rates at St Charles Hospital range from $650 to $828 across 4 insurers. UnitedHealthcare's rate is $828. The median at nearby comparable hospitals is $694. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a colonoscopy cost at St Charles Hospital?

For Colonoscopy with biopsy (CPT 45380), published negotiated rates at St Charles Hospital range from $2,656 to $4,717 across 4 insurers. Blue Cross Blue Shield's rate is $3,361. The median at nearby comparable hospitals is $3,421. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does giving birth cost at St Charles Hospital?

For Vaginal delivery, hospital stay (MS-DRG 807), published negotiated rates at St Charles Hospital range from $11,130 to $13,733 across 4 insurers. Cigna's rate is $12,521. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a mammogram cost at St Charles Hospital?

For Screening mammography, bilateral (CPT 77067), published negotiated rates at St Charles Hospital range from $217 to $309 across 4 insurers. Aetna's rate is $309. The median at nearby comparable hospitals is $213. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does hip or knee replacement cost at St Charles Hospital?

For Major lower-extremity joint replacement without MCC (MS-DRG 470), published negotiated rates at St Charles Hospital range from $34,157 to $42,385 across 4 insurers. Aetna's rate is $36,030. The median at nearby comparable hospitals is $54,910. What a patient pays depends on their plan's deductible, coinsurance and network status.

What is St Charles Hospital's CMS star rating?

St Charles Hospital has a CMS overall hospital star rating of 5 out of 5 on Medicare Care Compare (CMS data released 2026-08-13). That is the top rating, shared by 12% of US hospitals.

Is St Charles Hospital a teaching hospital?

Yes. CMS counts 0.02 Medicare-funded residents per bed at St Charles Hospital for fiscal year 2027, so it is a teaching hospital.

Does Medicare penalize St Charles Hospital for readmissions?

No. St Charles Hospital has no Hospital Readmissions Reduction Program penalty in fiscal year 2027.

What are the most common Medicare inpatient stays at St Charles Hospital?

In 2024, the most common were septicemia or severe sepsis without mv >96 hours with mcc (195 discharges), alcohol, drug abuse or dependence with rehabilitation therapy (136 discharges), kidney and urinary tract infections without mcc (76 discharges).

What is St Charles Hospital's case mix index?

St Charles Hospital's Medicare case mix index is 1.60 for fiscal year 2027, higher than 40% of hospitals paid under the inpatient prospective payment system.

For hospital finance and compliance teams

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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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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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