• § 424.500 - Scope.

• § 424.502 - Definitions.

• § 424.505 - Basic enrollment requirement.

• § 424.506 - National Provider Identifier (NPI) on all enrollment applications and claims.

• § 424.507 - Ordering covered items and services for Medicare beneficiaries.

• § 424.510 - Requirements for enrolling in the Medicare program.

• § 424.514 - Application fee.

• § 424.515 - Requirements for reporting changes and updates to, and the periodic revalidation of Medicare enrollment information.

• § 424.516 - Additional provider and supplier requirements for enrolling and maintaining active enrollment status in the Medicare program.

• § 424.517 - Onsite review.

• § 424.518 - Screening levels for Medicare providers and suppliers.

• § 424.519 - Disclosure of affiliations.

• § 424.520 - Effective date of Medicare billing privileges.

• § 424.521 - Request for payment by certain provider and supplier types.

• § 424.522 - Additional effective dates.

• § 424.525 - Rejection of a provider's or supplier's application for Medicare enrollment.

• § 424.526 - Return of a provider's or supplier's enrollment application.

• § 424.527 - Provisional period of enhanced oversight.

• § 424.530 - Denial of enrollment in the Medicare program.

• § 424.535 - Revocation of enrollment in the Medicare program.

• § 424.540 - Deactivation of Medicare billing privileges.

• § 424.541 - Stay of enrollment.

• § 424.542 - Prohibition on ordering, certifying, referring, or prescribing based on felony conviction.

• § 424.545 - Provider and supplier appeal rights.

• § 424.546 - Deactivation rebuttals.

• § 424.547 - Deactivation based on ordering, certifying, or referring services and items.

• § 424.550 - Prohibitions on the sale or transfer of billing privileges.

• § 424.551 - DMEPOS supplier changes in majority ownership.

• § 424.555 - Payment liability.

• § 424.565 - Overpayment.

• § 424.570 - Moratoria on newly enrolling Medicare providers and suppliers.

• § 424.575 - Rural emergency hospitals.