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Short Term Acute Care HospitalVoluntary Non-Profit - Private

Ascension St Mary Kankakee

Ascension Health · Kankakee, IL

500 West Court Street, Kankakee, IL 60901(815) 937-2490

4 of 5

CMS star rating

169

Beds

3,765

Inpatient discharges a year

$119.1M

Net patient revenue a year

37

In-network payers

About this hospital

Ascension St Mary Kankakee is a 169-bed voluntary non-profit - private hospital in Kankakee, IL, affiliated with Ascension Health. Below you'll find publicly disclosed negotiated rates and facility details, including 37 in-network payers and 366 disclosed rate categories.

  • Disproportionate share hospital
  • 340B participant
  • Helipad
CCN
140155
NPI
1770678260
Health system
Ascension Health
Teaching
No Medicare-funded residents
County
Kankakee County
Metro area
Kankakee, IL MSA
Medicare contractor
Jurisdiction 6, National Government Services (06101)
In Medicare since
1966
Last CMS survey
2022

Prices for common services

The 24 services Ascension St Mary Kankakee 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

$5,432 - $7,767

from 3 insurers · median $6,921

UnitedHealthcare$7,767
Insurer A*$5,432
Insurer B*$6,921

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

$6,242 - $10,518

from 3 insurers · median $9,947

UnitedHealthcare$10,518
Insurer A*$6,242
Insurer B*$9,947

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

$15,507 - $23,149

from 3 insurers · median $19,962

BCBS Illinois$19,962
Insurer A*$15,507
Insurer B*$23,149
Medicare $12,105Nearby hospitals $24,33118% below nearby hospitals

43 Medicare discharges for this DRG in CMS hospital data

CT imaging

CT abdomen and pelvis with contrast

CPT 74177

$250 - $1,556

from 4 insurers · median $644

Aetna$989
Insurer A*$250
Insurer B*$299
Insurer C*$1,556
Medicare $352Nearby hospitals $1,07440% below nearby hospitals

Common here, based on CMS Medicare volume

How the insurers pay at Ascension St Mary Kankakee

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*20
272%
910
Insurer B*23
144%
910
Insurer C*23
113%
416
Insurer D*24
84%
018

How we chose these services: 3 appear in this hospital's own Medicare claims, 15 are common here based on CMS Medicare volume, and 6 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 Ascension St Mary Kankakee, 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)
AmbetterAmeri HealthAspirus Health PlanAvera Health PlansBanner HealthCentene

More about this hospital

  • Quality

    4 of 5 stars

    • 137 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

    • No Medicare-funded residents
    • 41 services, including trauma care
    • 257 affiliated clinicians
    See doctors and services
  • Finances

    $119.1M net patient revenue

    • Operating margin on patient care -17.4%
    • $4.4M unreimbursed and uncompensated care
    • -$18.3M net income
    See finances
  • Ownership and leadership

    Owned by Prime Healthcare Foundation Inc

    • Church
    • 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 Ascension St Mary Kankakee in the in-network rate files they publish, with the organization NPIs billed under each.

Tax ID (EIN)Plans and networks listing itOrganization NPIs
36-4195126(multi-state) Presence St Marys Hospital Presence Central And Suburban Hospitals Net59Aetna, Cigna, United Healthcare (incl Optum, Rocky Mountain, Health Plan of Nevada, Sierra Health), Allied Benefit Systems, Ambetter and 54 more1487715645 Presence Central And Suburban Hospitals Network1598845828 Presence Central And Suburban Hospitals Network1770678260 Presence Central And Suburban Hospitals Networkand 37 more
99-2195090St Marys Hospital Kankakee LLC13Aetna, United Healthcare (incl Optum, Rocky Mountain, Health Plan of Nevada, Sierra Health), Allied Benefit Systems, Aspirus Health Plan, Avera Health Plans and 8 more1467290809 St Marys Hospital - Kankakee LLC1407645724 St Marys Hospital - Kankakee LLC1770678260 Presence Central And Suburban Hospitals Networkand 2 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

500 West Court Street, Kankakee, IL 60901

(815) 937-2490

Get directions

Frequently asked questions

About Ascension St Mary Kankakee's rates and hospital price transparency.

How much does an MRI cost at Ascension St Mary Kankakee?

For MRI brain before and after contrast (CPT 70553), published negotiated rates at Ascension St Mary Kankakee range from $299 to $2,774 across 4 insurers. Aetna's rate is $1,451. The median at nearby comparable hospitals is $1,153. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a CT scan cost at Ascension St Mary Kankakee?

For CT abdomen and pelvis with contrast (CPT 74177), published negotiated rates at Ascension St Mary Kankakee range from $250 to $1,556 across 4 insurers. Aetna's rate is $989. The median at nearby comparable hospitals is $1,074. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a colonoscopy cost at Ascension St Mary Kankakee?

For Colonoscopy with polyp removal (CPT 45385), published negotiated rates at Ascension St Mary Kankakee range from $1,026 to $1,731 across 4 insurers. Cigna's rate is $1,583. The median at nearby comparable hospitals is $1,971. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does giving birth cost at Ascension St Mary Kankakee?

For Vaginal delivery, hospital stay (MS-DRG 807), published negotiated rates at Ascension St Mary Kankakee range from $5,432 to $7,767 across 3 insurers. UnitedHealthcare's rate is $7,767. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a mammogram cost at Ascension St Mary Kankakee?

For Screening mammography, bilateral (CPT 77067), published negotiated rates at Ascension St Mary Kankakee range from $94 to $477 across 4 insurers. Cigna's rate is $477. The median at nearby comparable hospitals is $257. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does hip or knee replacement cost at Ascension St Mary Kankakee?

For Major lower-extremity joint replacement without MCC (MS-DRG 470), published negotiated rates at Ascension St Mary Kankakee range from $15,507 to $23,149 across 3 insurers. Blue Cross Blue Shield of Illinois's rate is $19,962. The median at nearby comparable hospitals is $24,331. What a patient pays depends on their plan's deductible, coinsurance and network status.

What is Ascension St Mary Kankakee's CMS star rating?

Ascension St Mary Kankakee has a CMS overall hospital star rating of 4 out of 5 on Medicare Care Compare (CMS data released 2026-08-13). That is higher than 58% of US hospitals.

Is Ascension St Mary Kankakee a teaching hospital?

CMS reports no Medicare-funded interns or residents at Ascension St Mary Kankakee for fiscal year 2027.

Does Medicare penalize Ascension St Mary Kankakee for readmissions?

No. Ascension St Mary Kankakee has no Hospital Readmissions Reduction Program penalty in fiscal year 2027.

What are the most common Medicare inpatient stays at Ascension St Mary Kankakee?

In 2024, the most common were septicemia or severe sepsis without mv >96 hours with mcc (108 discharges), psychoses (69 discharges), heart failure and shock with mcc (67 discharges).

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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