National Provider Identifier.

1. Law
2. CFR 42
3. Public Health
4. Centers for Medicare & Medicaid Services, Department of Health and Human Services
5. Medical Assistance Programs
6. Program Integrity: Medicaid
7. Provider Screening and Enrollment
8. National Provider Identifier.

§ 455.440 National Provider Identifier.

The State Medicaid agency must require all claims for payment for items and services that were ordered or referred to contain the National Provider Identifier (NPI) of the physician or other professional who ordered or referred such items or services.

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