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Short Term Acute Care HospitalGovernment - State

Stony Brook University Hospital

Stony Brook Medicine · Stony Brook, NY

State University Of New York, Stony Brook, NY 11794(631) 444-4000

5 of 5

CMS star rating

788

Beds

38,921

Inpatient discharges a year

$2.3B

Net patient revenue a year

32

In-network payers

EdwinCasadoBaez, CC BY-SA 3.0, via Wikimedia Commons

About this hospital

Stony Brook University Hospital is a 788-bed government - state hospital in Stony Brook, NY, affiliated with Stony Brook Medicine. Below you'll find publicly disclosed negotiated rates and facility details, including 32 in-network payers and 330 disclosed rate categories.

  • Rural referral center
  • Reclassified as rural
  • Disproportionate share hospital
  • 340B participant
  • ACO participant
  • Helipad
CCN
330393
NPI
1972523348
Health system
Stony Brook Medicine
Teaching
Major 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
1980
Last CMS survey
2024

Prices for common services

The 24 services Stony Brook University 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.

Medicine & Surgery · Inpatient

Major lower-extremity joint replacement without MCC

MS-DRG 470

$36,226 - $76,219

from 4 insurers · median $56,417

Aetna$76,219
Insurer A*$36,226
Insurer B*$46,241
Insurer C*$66,593
Medicare $18,155Nearby hospitals $47,47019% above nearby hospitals

449 Medicare discharges for this DRG in CMS hospital data

Childbirth · Inpatient

Vaginal delivery, hospital stay

MS-DRG 807

$10,011 - $21,569

from 4 insurers · median $14,064

Cigna$12,328
Insurer A*$10,011
Insurer B*$15,800
Insurer C*$21,569

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 obstetrics / child birth services to CMS

Childbirth · Inpatient

Cesarean delivery, hospital stay

MS-DRG 788

$17,301 - $29,255

from 4 insurers · median $20,539

Cigna$17,301
Insurer A*$17,582
Insurer B*$23,495
Insurer C*$29,255

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 obstetrics / child birth services to CMS

CT imaging

CT head or brain without contrast

CPT 70450

$308 - $1,832

from 3 insurers · median $1,474

Blue Cross$308
Insurer A*$1,474
Insurer B*$1,832
Medicare $124Nearby hospitals $245501% above nearby hospitals

Common here, based on CMS Medicare volume

How the insurers pay at Stony Brook University 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
622%
210
Insurer B*24
382%
1010
Insurer C*24
253%
612
Insurer D*9
190%
23

How we chose these services: 8 appear in this hospital's own Medicare claims, 13 are common here based on CMS Medicare volume, and 3 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 Stony Brook University 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

    • 223 min in the ER before going home (US median 148)
    • Medicare readmissions penalty (-0.32%)
    See quality ratings
  • Doctors and services

    Accredited by The Joint Commission

    • Major teaching hospital
    • 53 services, including trauma & transplant care
    • 1,871 affiliated clinicians
    See doctors and services
  • Finances

    $2.3B net patient revenue

    • Operating margin on patient care -3.3%
    • $87.5M unreimbursed and uncompensated care
    • $114.7M net income
    See finances
  • Ownership and leadership

    Owned by University Hospital At Stony Brook

    • State
    • 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 Stony Brook University 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
11-3243405Stony Brook University Hospital58Aetna, Cigna, United Healthcare (incl Optum, Rocky Mountain, Health Plan of Nevada, Sierra Health), Allied Benefit Systems, Ameri Health and 53 more1972523348 University Hospital At Stony Brook1306620588 University Hospital At Stony Brook1881690691 University Hospital At Stony Brookand 15 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

State University Of New York, Stony Brook, NY 11794

(631) 444-4000

Get directions

Frequently asked questions

About Stony Brook University Hospital's rates and hospital price transparency.

How much does an MRI cost at Stony Brook University Hospital?

For MRI brain before and after contrast (CPT 70553), published negotiated rates at Stony Brook University Hospital range from $1,115 to $2,754 across 3 insurers. Aetna's rate is $2,461. The median at nearby comparable hospitals is $925. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a CT scan cost at Stony Brook University Hospital?

For CT head or brain without contrast (CPT 70450), published negotiated rates at Stony Brook University Hospital range from $308 to $1,832 across 3 insurers. Blue Cross Blue Shield's rate is $308. The median at nearby comparable hospitals is $245. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a colonoscopy cost at Stony Brook University Hospital?

For Colonoscopy with biopsy (CPT 45380), published negotiated rates at Stony Brook University Hospital range from $2,894 to $5,835 across 3 insurers. UnitedHealthcare's rate is $5,835. The median at nearby comparable hospitals is $3,691. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does giving birth cost at Stony Brook University Hospital?

For Vaginal delivery, hospital stay (MS-DRG 807), published negotiated rates at Stony Brook University Hospital range from $10,011 to $21,569 across 4 insurers. Cigna's rate is $12,328. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does hip or knee replacement cost at Stony Brook University Hospital?

For Major lower-extremity joint replacement without MCC (MS-DRG 470), published negotiated rates at Stony Brook University Hospital range from $36,226 to $76,219 across 4 insurers. Aetna's rate is $76,219. The median at nearby comparable hospitals is $47,470. What a patient pays depends on their plan's deductible, coinsurance and network status.

What is Stony Brook University Hospital's CMS star rating?

Stony Brook University 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 Stony Brook University Hospital a teaching hospital?

Yes. CMS counts 0.86 Medicare-funded residents per bed at Stony Brook University Hospital for fiscal year 2027, so it is a major teaching hospital.

Does Medicare penalize Stony Brook University Hospital for readmissions?

Yes. Under the Hospital Readmissions Reduction Program, Medicare cuts Stony Brook University Hospital's base inpatient payments by an estimated 0.32% in fiscal year 2027 for more readmissions than expected.

What are the most common Medicare inpatient stays at Stony Brook University Hospital?

In 2024, the most common were septicemia or severe sepsis without mv >96 hours with mcc (979 discharges), heart failure and shock with mcc (514 discharges), major hip and knee joint replacement or reattachment of lower extremity without mcc (452 discharges).

What is Stony Brook University Hospital's case mix index?

Stony Brook University Hospital's Medicare case mix index is 1.81 for fiscal year 2027, higher than 63% 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
  • Refreshed when your contracts change
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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.

What a review covers

CodingPricingPayer contractsCompliance
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  • Missing, duplicate and outdated charge lines identified
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