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Title 42

Displaying title 42, up to date as of 7/14/2026. Title 42 was last amended 7/01/2026.
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  1. Title 42 —Public Health
  2. Chapter IV —Centers for Medicare & Medicaid Services, Department of Health and Human Services
  3. Subchapter B —Medicare Program
  4. Part 424 —Conditions for Medicare Payment
  5. Subpart P   View Full Text
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eCFR Content

The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.

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Title 42Public HealthPart / Section
Chapter IVCenters for Medicare & Medicaid Services, Department of Health and Human Services400 – 699
Subchapter BMedicare Program405 – 429
Part 424Conditions for Medicare Payment424.1 – 424.575
Subpart PRequirements for Establishing and Maintaining Medicare Billing Privileges424.500 – 424.575
§ 424.500Scope.
§ 424.502Definitions.
§ 424.505Basic enrollment requirement.
§ 424.506National Provider Identifier (NPI) on all enrollment applications and claims.
§ 424.507Ordering covered items and services for Medicare beneficiaries.
§ 424.510Requirements for enrolling in the Medicare program.
§ 424.514Application fee.
§ 424.515Requirements for reporting changes and updates to, and the periodic revalidation of Medicare enrollment information.
§ 424.516Additional provider and supplier requirements for enrolling and maintaining active enrollment status in the Medicare program.
§ 424.517Onsite review.
§ 424.518Screening levels for Medicare providers and suppliers.
§ 424.519Disclosure of affiliations.
§ 424.520Effective date of Medicare billing privileges.
§ 424.521Request for payment by certain provider and supplier types.
§ 424.522Additional effective dates.
§ 424.525Rejection of a provider's or supplier's application for Medicare enrollment.
§ 424.526Return of a provider's or supplier's enrollment application.
§ 424.527Provisional period of enhanced oversight.
§ 424.530Denial of enrollment in the Medicare program.
§ 424.535Revocation of enrollment in the Medicare program.
§ 424.540Deactivation of Medicare billing privileges.
§ 424.541Stay of enrollment.
§ 424.542Prohibition on ordering, certifying, referring, or prescribing based on felony conviction.
§ 424.545Provider and supplier appeal rights.
§ 424.546Deactivation rebuttals.
§ 424.547Deactivation based on ordering, certifying, or referring services and items.
§ 424.550Prohibitions on the sale or transfer of billing privileges.
§ 424.551DMEPOS supplier changes in majority ownership.
§ 424.555Payment liability.
§ 424.565Overpayment.
§ 424.570Moratoria on newly enrolling Medicare providers and suppliers.
§ 424.575Rural emergency hospitals.
eCFR Content