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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 outpatient allowed
Hospital, overnight
$15,104
Median inpatient paid, 45 hospitals

Illinois requires a certificate of need for new surgery centers.

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Lowest Medicare payment

HospitalCityInpatient paidList priceOutpatient
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 Medicare payment

HospitalCityInpatient paidList priceOutpatient
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 Medicare paid Illinois hospitals a median $15,104 per inpatient hip or knee replacement stay (MS-DRG 470, 45 hospitals) and a median $12,331 per outpatient case. An orthopedic surgery center is paid about $9,238 for a knee.

Which Illinois hospitals does Medicare pay least for a joint replacement?

Carle Health Proctor Hospital ($13,162), Advocate Good Shepherd Hospital ($13,197), St Joseph Medical Center ($13,472).

What do Illinois hospitals list for a joint replacement?

The median list (chargemaster) price is $79,268, about 5.2× what Medicare pays.

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.