Healthcare Insights

Commission on Cancer (CoC) centers with the highest case mix index

Case Mix Index (CMI) reflects the complexity of a hospital’s patient population and the associated resources for their care.

The Centers for Medicare and Medicaid Services (CMS) uses CMI to determine reimbursement for Medicare and Medicaid beneficiaries. CMS evaluates the resources required to treat patients where higher CMI can result in higher reimbursement rates.

What is a Commission on Cancer (CoC) Center?

Commission on Cancer (CoC) Centers are nationally recognized for data-driven performance measures that improve care quality for patients undergoing cancer treatment.

The American College of Surgeons (ACS) runs this consortium of organizations to provide educational/training opportunities and development resources, reporting tools via participation in the National Cancer Database, as well as advocacy.

Which Commission on Cancer (CoC) Centers have the highest case mix index?

Definitive Healthcare records the CMI for over 5,900 hospitals in our HospitalView product. The average CMI across all hospitals is 1.48 with a range from 0.25 to 5.69. As of April 2022, over 720 of our tracked hospitals are designated as CoC centers.

Below, we’ve compiled the CoC hospitals with the highest case mix index.

Commission on Cancer (CoC) Centers by highest case mix index

RankDefinitive IDHospital nameLocationCase Mix IndexNumber of staffed bedsExplore dataset
15692Seattle Cancer Care AllianceSeattle, WA3.3620Explore
26419Akron Children's HospitalAkron, OH3.23268Explore
35163Nemours Alfred I. duPont Hospital for ChildrenWilmington, DE3.07208Explore
41920University of Maryland Medical CenterBaltimore, MD2.96767Explore
53120Cleveland Clinic Main CampusCleveland, OH2.911,325Explore
64021CHI St Luke's Health - Baylor St Luke's Medical CenterHouston, TX2.87628Explore
7370City of Hope Helford Clinical Research HospitalDuarte, CA2.78217Explore
83421OHSU Hospital - PortlandPortland, OR2.76549Explore
9664Presbyterian/St Luke's Medical CenterDenver, CO2.75317Explore
103571Hospital of the University of PennsylvaniaPhiladelphia, PA2.66749Explore
11754MedStar Washington Hospital CenterWashington, DC2.64723Explore
122973Duke University HospitalDurham, NC2.54960Explore
133448Allegheny General HospitalPittsburgh, PA2.51552Explore
144392St Joseph Medical CenterTacoma, WA2.5374Explore
152442Barnes-Jewish HospitalSaint Louis, MO2.491,274Explore
162444SSM Health Saint Louis University HospitalSaint Louis, MO2.47292Explore
-1461University of Iowa Hospitals & ClinicsIowa City, IA2.47723Explore
184012Houston Methodist HospitalHouston, TX2.451,116Explore
-1660Saint Joseph HospitalLexington, KY2.45255Explore
20461Adventist Health St HelenaSaint Helena, CA2.44138Explore
-642UCHealth University of Colorado HospitalAurora, CO2.44653Explore
22750MedStar Georgetown University HospitalWashington, DC2.43394Explore
-1075Straub Medical CenterHonolulu, HI2.43159Explore
23430Cedars-Sinai Medical CenterLos Angeles, CA2.4882Explore
-2625Dartmouth-Hitchcock Medical CenterLebanon, NH2.4401Explore
-2645Hackensack University Medical CenterHackensack, NJ2.4687Explore
-2111Henry Ford HospitalDetroit, MI2.4693Explore
-2191Mayo Clinic Hospital - Saint Mary's CampusRochester, MN2.41,111Explore
-4222University of Utah HospitalSalt Lake City, UT2.4472Explore
243623Medical University of South CarolinaCharleston, SC2.39467Explore
-2381Saint Luke's Hospital of Kansas CityKansas City, MO2.39422Explore
253746TriStar Centennial Medical CenterNashville, TN2.38641Explore

Fig. 1 Data is from the Definitive Healthcare HospitalView product. Case mix data is sourced from the Medicare Cost Report. CoC designations are validated twice a year via ACS and proprietary research. Accessed April 2022.

Based on tied results, there are 33 CoC hospitals on the list with 25 different CMI values. The average case mix for the listed hospitals is 2.60. 

Seattle Cancer Care Alliance has the highest case mix among CoC hospitals at 3.36. Two children’s hospitals, Akron Children’s Hospital and Nemours Alfred I. duPont Hospital for Children, are second and third on the list. Both have a case mix index over three.

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