Regulations last checked for updates: Dec 18, 2025

Title 42 - Public Health last revised: Dec 04, 2025
§ 405.818 - Deadline for processing provider enrollment initial determinations.

Contractors approve or deny complete provider or supplier enrollment applications to approval or denial within the following timeframes:

(a) Initial enrollments. Contractors process new enrollment applications within 180 days of receipt.

(b) Revalidation of existing enrollments. Contractors process revalidations within 180 days of receipt.

(c) Change-of-information and reassignment of payment request. Contractors process change-of-information and reassignment of payment requests within 90 days of receipt.

cite as: 42 CFR 405.818