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Wisconsin: one knee, three prices

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

Surgery center
$8,881
Median Medicare knee rate, 31 orthopedic surgery centers
Hospital, same day
$11,897
Median outpatient allowed
Hospital, overnight
$14,377
Median inpatient paid, 20 hospitals

Wisconsin has a certificate-of-need program that does not cover surgery centers.

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Lowest Medicare payment

HospitalCityInpatient paidList priceOutpatient
Oakleaf Surgical HospitalAltoona$12,446$48,531$11,736
Froedtert West Bend HospitalWest Bend$12,488$77,587$11,815
Prohealth Oconomowoc Memorial HospitalOconomowoc$12,643$73,271$11,922
Marshfield Medical Center - WestonWeston$12,805$57,740$11,683
Orthopaedic Hospital of WisconsinGlendale$13,010$74,454$11,462
Midwest Orthopedic Specialty HospitalFranklin$13,197$52,364$11,733
Aspirus Wausau HospitalWausau$13,527$53,526$11,446
Aurora Medical CenterGrafton$13,880$95,081$11,769
Froedtert Menomonee Falls HospitalMenomonee Falls$14,207$83,461$11,800
Ssm Health St Mary's Hospital - MadisonMadison$14,316$59,690$12,129

Highest Medicare payment

HospitalCityInpatient paidList priceOutpatient
Froedtert Memorial Lutheran HospitalMilwaukee$25,382$136,288$12,068
University of Wi Hospitals & Clinics AuthorityMadison$20,018$69,609$12,187
Marshfield Medical CenterMarshfield$16,579$61,255$12,450
Ascension All Saints HospitalRacine$16,496$69,132$11,919
Aurora St Lukes Medical CenterMilwaukee$16,346$93,710$12,049
Froedtert Pleasant Prairie HospitalPleasant Prairie$15,926$87,993$12,360
Ascension Se Wisconsin Hospital - St Joseph CampusMilwaukee$15,741$58,884$11,672
Aurora West Allis Medical CenterWest Allis$14,780$98,416$11,663
Mayo Clinic Health System in Eau ClaireEau Claire$14,468$39,396$12,393
Thedacare Regional Medical Center - Appleton IncAppleton$14,438$40,101$11,568

Every Wisconsin hospital (57)

Orthopedic surgery centers (31)

Questions

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

In 2024 Medicare paid Wisconsin hospitals a median $14,377 per inpatient hip or knee replacement stay (MS-DRG 470, 20 hospitals) and a median $11,897 per outpatient case. An orthopedic surgery center is paid about $8,881 for a knee.

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

Oakleaf Surgical Hospital ($12,446), Froedtert West Bend Hospital ($12,488), Prohealth Oconomowoc Memorial Hospital ($12,643).

What do Wisconsin hospitals list for a joint replacement?

The median list (chargemaster) price is $69,371, about 4.8× what Medicare pays.

Does Wisconsin have a certificate-of-need law?

Wisconsin has a certificate-of-need program that does not cover surgery centers. No general CON; state approval is required only for nursing home and ICF/IID bed capacity.