| Name | Relationship | Activity | State | EIN |
|---|---|---|---|---|
| Black Hall Dental PC | Related tax-exempt org | Inactive | NY | 873777395 |
| Brightwaters Gynecology PC | Related tax-exempt org | Medical Servi | NY | 821883445 |
| Brooklyn Ambulatory Care PC | Related tax-exempt org | Medical Servi | NY | 474447289 |
| Carnegie Cardiovascular PC | Related tax-exempt org | Medical Servi | NY | 474377825 |
| Central Suffolk Hospital | Related tax-exempt org | Health Care | NY | 111661359 |
| CLNY Alliance Inc | Related tax-exempt org | Laboratory | NY | 463146870 |
| Community Drive Surgery PC | Related tax-exempt org | Medical Servi | NY | 821672429 |
| Glen Cove Faculty Medical Affiliates Un | Related tax-exempt org | Medical Servi | NY | 872454513 |
| Glen Cove Hospital | Related tax-exempt org | Health Care | NY | 111633487 |
| Harbor View Medical Services PC | Related tax-exempt org | Supporting Or | NY | 264517010 |
| Hillside Hospital Houses Inc | Related tax-exempt org | Housing Comp | NY | 112113949 |
| Hospice Care in Westchester and Putnam | Related tax-exempt org | Hospice Care | NY | 133882602 |
| Hospice Care Network | Related tax-exempt org | Hospice | NY | 112925757 |
| Huntington Faculty Medical Affiliates U | Related tax-exempt org | Billing | NY | 850642554 |
| Huntington Hospital Association | Related tax-exempt org | Health Care | NY | 111630914 |
| Huntington Hospital Dolan Family Health | Related tax-exempt org | Health Care | NY | 113368503 |
| John T Mather Memorial Hospital | Related tax-exempt org | Health Care | NY | 111639818 |
| Lakeville Surgery PC | Related tax-exempt org | Medical Servi | NY | 474377760 |
| Lenox Hill Faculty Medical Affiliates U | Related tax-exempt org | Billing | NY | 850656357 |
| Lenox Hill Hospital | Related tax-exempt org | Health Care | NY | 131624070 |
| Lenox Hill Hospital Medical PC | Related tax-exempt org | Medical Servi | NY | 452661543 |
| Lenox Hill Pathology PC | Related tax-exempt org | Medical Servi | NY | 133644370 |
| LHH Corporation | Related tax-exempt org | Supporting Or | NY | 133272016 |
| LIJ Foundation | Related tax-exempt org | Supporting Or | NY | 112661239 |
| Long Island Jewish Faculty Medical Affil | Related tax-exempt org | Billing | NY | 850667316 |