| Effective | Carrier | New Business Deadline | Renewal Deadline | | | Note(s) |
| 02/01/2021 | DC Health Link (Group) | 01/01/2021 | 01/05/2021 | | | |
| 02/01/2021 | Kaiser Permanente MD/VA (Group) | 01/08/2021 | 01/15/2021 | | | |
| 02/15/2021 | Kaiser Permanente MD/VA (Group) | 01/29/2021 | 01/15/2021 | | | |
| 03/01/2021 | DC Health Link (Group) | 02/01/2021 | 02/05/2021 | | | |
| 03/01/2021 | Kaiser Permanente MD/VA (Group) | 02/10/2021 | 02/15/2021 | | | |
| 03/15/2021 | Kaiser Permanente MD/VA (Group) | 02/26/2021 | 02/15/2021 | | | |
| 04/01/2021 | DC Health Link (Group) | 03/01/2021 | 03/05/2021 | | | |
| 04/01/2021 | Kaiser Permanente MD/VA (Group) | 03/10/2021 | 03/15/2021 | | | |
| 04/15/2021 | Kaiser Permanente MD/VA (Group) | 03/31/2021 | 03/15/2021 | | | |
| 05/01/2021 | DC Health Link (Group) | 04/01/2021 | 04/05/2021 | | | |