Washington · guide
Controlled substance registration in Washington
Read from Washington State Department of Health. Last verified 2026-09-15.
The sequence
| Step | What it involves |
|---|---|
| State registration | No separate state controlled substance registration; DEA registration governs. |
| DEA registration | Required, tied to each practice address. |
| PMP | Prescription monitoring program participation is required. |
What the numbers say
- Opioid prescribing rules apply to every prescriber holding a DEA number in the state.
Source: Washington State Department of Health. Last verified 2026-09-15. Where a national summary and a board disagree, we publish the board.