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Federal and national primary sources

Every federal and national primary source for credentialing in one place: OIG LEIE, SAM.gov, Medicare opt-out, DEA registration, and the national certifying boards. Direct links to each lookup.

Board certifications98Exclusion lists5DEA & controlled substances1

Board certifications

Verify current board certification status and, where published, certification dates.

DEA & controlled substances

Verify controlled substance registration status.

Common questions

Which federal exclusion lists should every credentialing check include?
Medicare Opt-out Affidavits, OFAC Sanctions List Search, Revoked Medicare Providers and Suppliers, System for Award Management, and U.S. Department of Health and Human Services Office of the Inspector General. These apply to every provider regardless of state and are checked at initial credentialing and on an ongoing monitoring cadence.

Browse by state

Links go to each board or agency's own public lookup and are checked regularly. Spot something out of date? Tell us and we will fix it. Looking for payer IDs and enrollment turnarounds instead? See the payer directory, or see how CredNet Platform keeps expirables, enrollments, and appointments in one dashboard.