| Montage Wellness Center LLC | Disregarded entity | Health services | CA | 273554386 |
| Monterey Salinas Healthcare Collaborative LLC | Disregarded entity | Health services | CA | 473632762 |
| Montage Health | Related tax-exempt org | Support services | CA | 942789696 |
| Montage Medical Group | Related tax-exempt org | Healthcare services | CA | 264826604 |
| Aspire Health Plan | Related tax-exempt org | Insurance company | CA | 461567681 |
| Montage Health Foundation | Related tax-exempt org | Support services | CA | 812889645 |
| MOGO Urgent Care | Related tax-exempt org | Medical services | CA | 832329260 |
| Montage Surgical Group DBA Montage Orthopedics and Sports MED | Related tax-exempt org | Healthcare services | CA | 333276947 |
| SAN Carlos & 7TH LLC | Related partnership | Real estate | CA | 274672809 |
| Monterey BAY Endoscopy Center LLC | Related partnership | Endoscopy center | CA | 770324855 |
| Central Coast Health Connect LLC | Related partnership | Health services | CA | 611759835 |
| Cypress Medical Network INC | Related taxable corporation/trust | Inactive | CA | 770438780 |
| Coastal TPA INC | Related taxable corporation/trust | Medical claims processing | CA | 770523382 |
| Coastal Healthcare Administrators | Related taxable corporation/trust | Medical claims processing | CA | 770311413 |
| BAY Services INC | Related taxable corporation/trust | Services | CA | 942250761 |
| Charitable Remainder Trusts (2) | Related taxable corporation/trust | Holding company | CA | — |