Become a Medicare Provider or Supplier

Ready to become a Medicare provider or supplier? This guide will help you enroll in three steps.

Do not use this guide if…

Medicare Enrollment Guide for Providers & Suppliers

Use this guide if any of the following apply:

Step 1: Get an NPI

If you already have an NPI, skip this step and proceed to Step 2.

NPIs are issued through the National Plan & Provider Enumeration System (NPPES). You can apply for an NPI on the NPPES website. Not sure if you have an NPI? Search the NPI Registry.

Step 2: Complete the Medicare Enrollment Application

Enroll using PECOS, i the online Medicare enrollment system. PECOS has video and print tutorials and will walk you through your enrollment to ensure your information is accurate. Complete the online PECOS application.

Step 3: Work With Your MAC

Your Medicare Administrative Contractor (MAC) is specific to the region where you practice and may have additional requests for information while they process your application. You can also check in with your MAC regarding your enrollment status. Contact Your MAC (PDF).

Keep Your Information Current

It’s important to keep your enrollment information up to date. To avoid having your Medicare billing privileges revoked, be sure to report the following changes within 30 days:

You must report all other changes within 90 days. If you applied online, you can keep your information up to date in PECOS. If you applied using a paper application, you’ll need to resubmit your form to update information.

Need Help With Your Enrollment?

Your MAC can help you navigate the enrollment process and answer questions about your application. Contact your MAC (PDF).

i If you’re unable to apply online using PECOS, you can use a paper application form.

HHS is committed to making its websites and documents accessible to the widest possible audience, including individuals with disabilities. We are in the process of retroactively making some documents accessible. If you need assistance accessing an accessible version of this document, please reach out to the guidance@hhs.gov.

DISCLAIMER: The contents of this database lack the force and effect of law, except as authorized by law (including Medicare Advantage Rate Announcements and Advance Notices) or as specifically incorporated into a contract. The Department may not cite, use, or rely on any guidance that is not posted on the guidance repository, except to establish historical facts.

Date Published: 12/31/2020