Most states require a controlled-substance registration of their own in addition to your federal DEA number. It is a small application with an outsized effect on timing.
Why it lands last
Because it usually cannot be filed until the license exists, and because it is not the milestone anyone is tracking. The license arrives, everyone treats the project as finished, and then the registration takes several more weeks.
The result is a PA who is licensed, credentialed and rostered, and cannot write for a controlled substance on their first day. In some specialties that is a nuisance. In pain management, psychiatry, addiction medicine or emergency care it means the role cannot really begin.
What varies
Whether the state requires one at all — a few do not. Which schedules it covers. Whether it is issued by the licensing board, the pharmacy board or the state police. Its own renewal cycle, which will not align with your license renewal. And whether prescriber education or PDMP registration is a precondition.
Scope limits sit here too
This is where you discover that Alabama, Arkansas, Georgia, Hawaii, Iowa and West Virginia do not grant PAs Schedule II authority at all. A federal registration does not override that, and it is worth confirming against your intended scope before accepting a role that assumes otherwise.
Practical handling
Find out at the start whether the state requires one, which body issues it, and whether anything can be filed in advance. Then treat it as part of the licensing project rather than as paperwork that follows it.
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We handle the PA licensure process end-to-end — eligibility screening, documents, board follow-ups, and tracking.