Quest Diagnostics Inc.
1715 Twin Springs Rd., Baltimore, MD 21227
| Licenses | Expires | License/Permit # |
| CAP | 04-25-20 | 1345001 |
| CLIA | 10-19-22 | 21D0218877 |
| District of Columbia | 04-30-20 | HFDC-D125 |
| Maryland | Non-Expiring | 129 |
| Pennsylvania | 08-15-22 | 021422A |
| Rhode Island | 12-30-21 | LCO00418 |