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Illinois: one knee, three prices

What Medicare pays Illinois hospitals and surgery centers for knee, hip and shoulder replacement, what hospitals list, and which cost the most and the least.

Surgery center
$9,238
Median Medicare knee rate, 81 orthopedic surgery centers
Hospital, same day
$12,331
Median Medicare allowed amount
Hospital, overnight
$15,104
Median avg total payment (incl. patient share), 45 hospitals

Illinois requires a certificate of need for new surgery centers.

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Lowest average total payment per stay

HospitalCityInpatient avg total paymentList priceOutpatient allowed
Carle Health Proctor HospitalPeoria$13,162$95,430$12,022
Advocate Good Shepherd HospitalBarrington$13,197$62,213$12,301
St Joseph Medical CenterBloomington$13,472$80,686$12,146
Trinity Rock IslandRock Island$13,511$54,721$12,146
Advocate Good Samaritan HospitalDowners Grove$13,602$70,139$12,329
Silver Cross Hospital and Medical CentersNew Lenox$13,710$52,082$12,338
Carle Bromenn Medical CenterNormal$13,773$49,177$11,858
Mercyone Genesis Silvis Medical CenterSilvis$13,942$38,357$12,146
Memorial HospitalBelleville$14,044$52,696$12,098
Sarah Bush Lincoln Health CenterMattoon$14,205$75,821$12,874

Highest average total payment per stay

HospitalCityInpatient avg total paymentList priceOutpatient allowed
University of Illinois Hospital and ClinicsChicago$32,599$114,498$12,471
Herrin HospitalHerrin$26,310$98,721$11,972
Rush University Medical CenterChicago$24,139$73,066$12,678
Loyola University Medical CenterMaywood$23,185$56,457$12,459
Advocate Lutheran General HospitalPark Ridge$19,980$58,356$12,354
Louis A Weiss Memorial HospitalChicago$19,488$108,741—
Northwestern Memorial HospitalChicago$19,429$113,969$12,656
Presence Saint Francis HospitalEvanston$19,112$120,105$12,781
Saint Francis Medical CenterPeoria$18,174$93,721$12,061
Advocate Christ Hospital & Medical CenterOak Lawn$17,443$68,230$12,141

Every Illinois hospital (84)

Orthopedic surgery centers (81)

Questions

How much does Medicare pay for a knee replacement in Illinois?

In 2024 the median average total payment to Illinois hospitals was $15,104 per Medicare inpatient hip or knee replacement stay (MS-DRG 470, 45 hospitals; Medicare's payment plus the patient's share), and the median Medicare allowed amount was $12,331 per outpatient case. An orthopedic surgery center is paid about $9,238 for a knee.

Which Illinois hospitals have the lowest Medicare payment for a joint replacement?

Carle Health Proctor Hospital ($13,162), Advocate Good Shepherd Hospital ($13,197), St Joseph Medical Center ($13,472) (average total payment per inpatient stay, patient share included).

What do Illinois hospitals list for a joint replacement?

The median list (chargemaster) price is $79,268, about 5.2× the median average total payment for a Medicare stay.

Does Illinois have a certificate-of-need law?

Illinois requires a certificate of need for new surgery centers. A Health Facilities and Services Review Board permit is required to establish an ambulatory surgical treatment center.