| Prisma Health Midlands Network | Disregarded entity | ACO | SC | 273029587 |
| Prisma Health | Related tax-exempt org | Healthcare | SC | 822595551 |
| Prisma Health-Upstate | Related tax-exempt org | Hospital | SC | 811723202 |
| Prisma Health Tuomey | Related tax-exempt org | Hospital | SC | 474914917 |
| Prisma Health University Medical Group | Related tax-exempt org | Physician practices | SC | 571004971 |
| Greenville Health Corporation | Related tax-exempt org | Healthcare | SC | 570835816 |
| Prisma Health Midlands Foundation | Related tax-exempt org | Supports hospital | SC | 570725699 |
| Palmetto Health Richland Volunteer Auxiliary | Related tax-exempt org | Supports hospital | SC | 570645678 |
| Prisma Health Medical Group-Midlands | Related tax-exempt org | Physician practices | SC | 471345819 |
| Prisma Health - Upstate Foundation | Related tax-exempt org | Fundraising | SC | 932009608 |
| Prisma Health Eastern Tennessee | Related tax-exempt org | Healthcare | TN | 994621196 |
| Prisma Health Baptist Easley Foundation | Related tax-exempt org | Fundraising | SC | 570880538 |
| Radiation Oncology LLC | Related partnership | Healthcare | SC | 364542465 |
| Prisma Health Urgent Care by Wellstreet LLC | Related partnership | Healthcare | GA | 921035147 |
| Healthsource INC | Related taxable corporation/trust | Healthcare | SC | 570938686 |
| Hospital Services INC | Related taxable corporation/trust | Healthcare | SC | — |
| PHCA INC | Related taxable corporation/trust | Healthcare | SC | 883421661 |
| Phvphic INC | Related taxable corporation/trust | Healthcare | SC | 883279433 |
| Promise Health Insurance Company SC INC | Related taxable corporation/trust | Insurance | SC | 882888859 |
| Promise First INC | Related taxable corporation/trust | Insurance | SC | 884158136 |
| Mcbee Holdings INC | Related taxable corporation/trust | Healthcare | SC | 921216043 |