The Medicare Participation Agreement (CMS-460) is used to enroll as participating providers in Medicare Part B. By signing this agreement, the provider agrees to accept assignment for all covered Part B services, meaning Medicare-approved amounts are accepted as full payment, subject only to applicable deductibles and coinsurance. The form captures provider or supplier identifiers, National Provider Identifier (NPI), and agreement details required to establish or maintain Medicare participation. Completing this form in Heidi streamlines your administrative processes and assists practices in managing Medicare participation records.
The purpose of the Medicare Participation Agreement (CMS-460) PDF is to enroll as a participating provider in Medicare Part B, which is a voluntary agreement to accept assignment for all covered services. By signing, the provider agrees to accept the Medicare-approved amount as full payment, collecting only the applicable deductible and coinsurance from the beneficiary. This raises Medicare Physician Fee Schedule amounts by 5% for certain services and provides direct, timely payment from the Centers for Medicare & Medicaid Services.
You use this form as a physician, practitioner, or supplier to establish or maintain participation status with Medicare Part B. While you or your organization's authorized representative must sign the agreement, it is typically prepared by practice administrators, credentialing specialists, or revenue cycle managers. You must file a separate agreement with each Medicare Administrative Contractor (MAC) where you submit Part B claims. New enrollees submit it with their enrollment application, while already-enrolled providers can only change status during the annual open enrollment period.
A Medicare Participation Agreement (CMS-460) PDF includes identifiers for the provider or supplier and details of the participation agreement.
The agreement is with Medicare, but it must be filed with each individual Medicare Administrative Contractor (MAC) where your practice submits claims. Multi-state groups or mobile suppliers that operate across MAC jurisdictions need to complete parallel filings for each one. Overlooking a required filing in one jurisdiction means that claims submitted to that MAC will be treated as non-participating, creating unexpected billing and revenue cycle discrepancies for your practice. This requires careful tracking of all service locations and their corresponding MACs.
Your participation election is locked in for a full calendar year. If you discover mid-year that your participation status is not the right financial decision for your practice, you must wait until the next annual open enrollment period to make a change. This window is generally from mid-November through December 31, but the exact dates can vary slightly by MAC each year. For new enrollees, a 90-day window to opt-in requires internal tracking; missing it locks you into non-participating status until the next open enrollment.
The signature on the CMS-460 must be from an authorized or delegated official who is already on file for your organization's Medicare enrollment application (CMS-855). A mismatch between the name or title on the participation agreement and the enrollment record will cause processing delays. Additionally, if your practice uses a chain home office for EFT payments, a separate authorization letter must accompany the agreement, signed by officials from both the provider entity and the chain home office, adding another layer of coordination.
Your practice may span multiple states or MAC jurisdictions, each requiring its own form. Heidi uses your practice’s service locations to surface the MAC jurisdiction map, generating a separate, pre-filled CMS-460 for each MAC to which you submit claims. This ensures you don’t miss a required filing for one of your service areas, preventing claims from being processed incorrectly as non-participating. You review the complete package before submission.
Missing a deadline can lock your practice into the wrong participation status for a full year. Heidi tracks the relevant deadlines for your practice, including the annual open enrollment window for established providers and the 90-day decision window for new enrollees based on their Medicare enrollment date. You get a prompt to prepare and submit the form ahead of the deadline, giving your team time to review and coordinate the filing.
A mismatch between the signer on the CMS-460 and the official on your CMS-855 enrollment application is a common cause of delays. Heidi flags the authorized representative on file with each MAC and pre-fills the signature block with the exact name, title, and phone number from the enrollment record. This helps ensure the filings are consistent. For complex setups, Heidi coordinates the CMS-460 with CMS-855 and CMS-588 forms, presenting a consistent package for your review.
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