---
kind: "section"
citation: "42 C.F.R. § 455.410"
title: "42"
number: "455.410"
heading: "Enrollment and screening of providers."
url: "https://uscodex.org/cfr/42/455.410"
---

# §455.410. Enrollment and screening of providers.

- (a) The State Medicaid agency must require all enrolled providers to be screened under to this subpart.
- (b) The State Medicaid agency must require all ordering or referring physicians or other professionals providing services under the State plan or under a waiver of the plan to be enrolled as participating providers.
- (c) The State Medicaid agency may rely on the results of the provider screening performed by any of the following:
  - (1) **Medicare contractors.**
  - (2) **Medicaid agencies or Children's Health Insurance Programs of other States.**
- (d) The State Medicaid agency must allow enrollment of all Medicare-enrolled providers and suppliers for purposes of processing claims to determine Medicare cost-sharing (as defined in section 1905(p)(3) of the Act) if the providers or suppliers meet all Federal Medicaid enrollment requirements, including, but not limited to, all applicable provisions of [42 CFR part 455](/cfr/42/part455.md), [subparts B](/cfr/42/subpartB.md) and E. This [paragraph (d)](#d) applies even if the Medicare-enrolled provider or supplier is of a type not recognized by the State Medicaid Agency.

## Notes

### Amendments

[76 FR 5968, Feb. 2, 2011, as amended at 86 FR 45521, Aug. 13, 2021]

### Source

Source: 76 FR 5968, Feb. 2, 2011, unless otherwise noted.

### Authority

Authority: 42 U.S.C. 1302.

### Source

Source: 43 FR 45262, Sept. 29, 1978, unless otherwise noted.

### Amendments

[76 FR 5968, Feb. 2, 2011, as amended at 86 FR 45521, Aug. 13, 2021]