| Southern Illinois University School of Medicine | Southern Illinois University School of Medicine |
| Memorial Medical Center | Memorial Medical Center |
| Springfield Clinic | Springfield Clinic |
| Regional Cancer Center at Memorial Medical Center | Regional Cancer Center at Memorial Medical Center |
| St. John's Hospital | St. John's Hospital |
| Prairie Education and Research Cooperative | Prairie Education and Research Cooperative |
| Simmons Cooper Cancer Institute | Simmons Cooper Cancer Institute |
| CCOP, Central Illinois | CCOP, Central Illinois |
| Cancer Institute at St. John's Hospital | Cancer Institute at St. John's Hospital |
| Prairie Heart Institute | Prairie Heart Institute |
| The Arthritis Center | The Arthritis Center |
| Southern Illinois University-Memorial Medical Center | Southern Illinois University-Memorial Medical Center |
| Foot and Ankle Center of Illinois | Foot and Ankle Center of Illinois |
| Prairie Retina Center | Prairie Retina Center |
| Springfield Diabetes & Endocrine Center | Springfield Diabetes & Endocrine Center |
| St. John's Hospital, Prairie Education and Research Cooperative | St. John's Hospital, Prairie Education and Research Cooperative |
| HSHS Medical Group Diabetes Research | HSHS Medical Group Diabetes Research |
| Springfield Clinic-Neuroscience Institute | Springfield Clinic-Neuroscience Institute |
| Central Illinois Diabetes and Clinical Research a Division of Prairie Education and Research Cooperative | Central Illinois Diabetes and Clinical Research a Division of Prairie Education and Research Cooperative |
| Sneeze Wheeze and Itch Associates LLC | Sneeze Wheeze and Itch Associates LLC |
| Southern Illinois University Neurology and Pharmacology | Southern Illinois University Neurology and Pharmacology |
| SIU Medicine | SIU Medicine |
| SIU Medicine Neuroscience Institute (NSI) | SIU Medicine Neuroscience Institute (NSI) |
| Springfield Clinic Infectious Diseases | Springfield Clinic Infectious Diseases |
| SIUSOM - Division of Urology | SIUSOM - Division of Urology |
| Prairie Heart - St. John's Hospital | Prairie Heart - St. John's Hospital |
| Memorial Health System | Memorial Health System |