For any group practicing across state lines — and especially for telehealth — multi-state licensure is the bottleneck behind the bottleneck. The Interstate Medical Licensure Compact (IMLC) exists to ease it, but it's widely misunderstood. Here's what it does and doesn't do.
What the IMLC is
The IMLC is an agreement among participating states (40+ at last count, plus D.C. and Guam) that creates an expedited pathway for eligible physicians to obtain licenses in multiple member states. It does not create one national license — a physician still holds a separate license in each state, but the compact dramatically streamlines getting them.
Who's eligible
A physician qualifies if they hold a full, unrestricted license in a member state designated as their State of Principal License, and they meet criteria including: graduation from an accredited medical school, passing all licensing exams within the allowed attempts, board certification, no disciplinary actions, and no pending investigations. Roughly 80% of U.S. physicians meet the bar.
What it actually speeds up
Without the compact, each state license is a fresh, full application with its own primary-source verification. Through the IMLC, the physician's credentials are verified once by their principal-license state, and that verification is accepted by the other member states. The result is licensure in additional states in weeks rather than months.
Where it stops
- It only covers physicians (MD/DO) — not NPs, PAs, nurses, or behavioral-health clinicians (they have their own compacts — the NLC, PSYPACT, the Counseling Compact, the Social Work Compact).
- It only covers member states — non-participating states still require a traditional application.
- It expedites the license, not payer enrollment. A newly licensed provider in a new state still has to be enrolled with that state's payers and Medicaid program.
The operational takeaway
The compacts are powerful, but each clinician type has a different one, with different member states and different rules. Tracking which provider is eligible for which compact in which state — and triggering the right pathway automatically — is exactly the kind of multi-state complexity that breaks spreadsheets and rewards a purpose-built system.
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