20 C.F.R. § 220.64
The Board will not use in its program any individual or entity who is excluded, suspended, or otherwise barred from participation in the Medicare or Medicaid programs, or any other Federal or Federally-assisted program; who has been convicted, under Federal or State law, in connection with the delivery of health care services, of fraud, theft, embezzlement, breach of fiduciary responsibility or financial abuse; who has been convicted under Federal or State law of unlawful manufacture, distribution, prescription, or dispensing of a controlled substance; whose license to provide health care services is revoked or suspended by any State licensing authority for reasons bearing on professional competence, professional conduct, or financial integrity; who has surrendered such a license while formal disciplinary proceedings involving professional conduct were pending; or who has had a civil monetary assessment or penalty imposed on such individual or entity for any activity described in this section or as a result of formal disciplinary proceedings. Also see §§ 220.53 and 220.57(b) .
20 C.F.R. §220.64