Illinois · guide
Controlled substance registration in Illinois
Read from Illinois Department of Financial and Professional Regulation. Last verified 2026-09-15.
The sequence
| Step | What it involves |
|---|---|
| State registration | Illinois Controlled Substance License is required in addition to DEA registration. |
| DEA registration | Filed after the state license is issued. |
| PMP | Prescribers must register with the Illinois Prescription Monitoring Program. |
What the numbers say
- Illinois is one of the states where a separate state controlled substance license must be obtained before the DEA registration.
Source: Illinois Department of Financial and Professional Regulation. Last verified 2026-09-15. Where a national summary and a board disagree, we publish the board.