Medicare Enrollment

Medicare Opt-Out: When It Makes Sense and How to Do It

Deciding to opt out of Medicare is a major strategic shift for healthcare practices. This guide covers the pros and cons of opting out, who is eligible, and the step-by-step process for filing affidavits and managing private contracts with beneficiaries.

May 25, 2026 6 min read

Choosing how to interact with Medicare is one of the most significant business decisions a healthcare provider can make. While most providers choose to enroll as "Participating" or "Non-Participating" to maintain some level of connection with the federal program, a growing number of practitioners are exploring the "Opt-Out" path.

Opting out of Medicare is a formal process that allows a provider to enter into private contracts with Medicare beneficiaries. It essentially removes the provider from the Medicare payment system entirely for a specific period. However, this decision carries heavy administrative and financial implications.

In this guide, we will explore what it means to opt out of Medicare, the scenarios where it makes sense for a practice, and the technical steps required to complete the process.

What Does It Mean to Opt Out of Medicare?

When a provider opts out of Medicare, they are choosing not to bill Medicare for any services provided to beneficiaries. This is distinct from being a "Non-Participating" provider.

  • Participating Providers: Agree to accept "assignment" on all Medicare claims, meaning they accept the Medicare-approved amount as full payment.
  • Non-Participating Providers: Can choose to accept assignment on a case-by-case basis but are subject to a "limiting charge" (usually 115% of the Medicare-approved amount).
  • Opt-Out Providers: Do not bill Medicare at all. Instead, they charge patients directly based on a private contract. Neither the provider nor the patient can submit a claim to Medicare for reimbursement.

Who is Eligible to Opt Out?

Not every healthcare professional can opt out. According to the Centers for Medicare & Medicaid Services (CMS), the option is primarily available to:

  • Physicians (MDs and DOs)
  • Podiatrists and Optometrists
  • Dentists
  • Physician Assistants
  • Nurse Practitioners and Clinical Nurse Specialists
  • Clinical Psychologists and Clinical Social Workers

Notably, physical therapists and occupational therapists in private practice are currently unable to opt out of Medicare; they must either be enrolled or simply not treat Medicare beneficiaries at all.

When Does Opting Out Make Sense?

Opting out is a strategic move that typically aligns with specific business models. It is rarely a decision made solely out of frustration with paperwork; rather, it is a choice to transition to a different type of practice management.

1. The Concierge or Direct Primary Care (DPC) Model

Practices that operate on a membership fee or a "cash-only" basis often find Medicare regulations incompatible with their business model. By opting out, these providers can set their own rates and focus on longer appointment times and personalized care without adhering to Medicare’s strict coding and documentation requirements for reimbursement.

2. High Specialization and Limited Volume

If a specialist sees very few Medicare patients—perhaps only a handful per year—the cost of maintaining compliance, handling revalidations, and managing the PECOS (Provider Enrollment, Chain, and Ownership System) interface may outweigh the revenue generated from those claims.

3. Administrative Burden Reduction

Medicare participation requires rigorous adherence to Quality Payment Programs (QPP) like MIPS. For small practices or solo practitioners, the administrative overhead required to avoid mounting penalties can be overwhelming. Opting out eliminates these reporting requirements.

4. Freedom in Treatment Planning

While Medicare covers a vast array of services, it does not cover everything. Providers who feel that Medicare’s "medical necessity" guidelines restrict their ability to provide the specific type of care they believe is best for their patients may choose to opt out to bypass these external constraints.

Potential Drawbacks to Consider

Before moving forward, providers must weigh the risks:

  • Reduced Patient Access: Many Medicare beneficiaries rely on their insurance and cannot afford to pay out-of-pocket. Opting out may result in a significant loss of your existing patient base.
  • Competitive Disadvantage: If your competitors are Medicare-participating, prospective patients may choose them over you to save on costs.
  • The Two-Year Commitment: Once you opt out, you are generally committed for a two-year period. While it now "auto-renews," undoing the decision mid-cycle can be complex.
  • Emergency Care Rules: Even if you opt out, you cannot require a private contract in an emergency or urgent care situation.

How to Successfully Opt Out: Step-by-Step

The process for opting out is governed by the Medicare Administrative Contractor (MAC) for your specific jurisdiction.

Step 1: Notify Your MAC

You must file an affidavit with your MAC stating that you are opting out of Medicare. This affidavit must be signed by the provider and include specific language required by CMS, such as your NPI, your specialty, and a statement confirming you will not submit any claims to Medicare for the duration of the opt-out period.

Step 2: The Private Contract

This is the most critical legal component. You must enter into a written private contract with every Medicare beneficiary you treat. This contract must be signed before services are rendered. It must clearly state:

  • The patient accepts full responsibility for payment.
  • The patient understands that no Medicare payment will be made.
  • The provider is not limited by Medicare’s fee schedules.
  • The patient has the right to see other providers who do participate in Medicare.

Step 3: Timing the Filing

Affidavits must be filed at least 30 days before the first day of the next calendar quarter to take effect on the first day of that quarter. However, if you are a brand-new provider who has never enrolled in Medicare, you can often opt out at any time.

Step 4: Manage Your PECOS Status

Even when opting out, you should maintain your information in the PECOS system. This ensures that your NPI remains active for other purposes, such as ordering and referring. Under the "Ordering and Referring" regulations, opt-out physicians can still order lab tests or refer patients to other Medicare-participating providers, and those services will still be covered by Medicare for the patient—provided the opt-out physician has an active NPI and is listed in the PECOS system.

Revalidations and Renewals

In the past, providers had to re-file their opt-out paperwork every two years. Under current rules (following the Medicare Access and CHIP Reauthorization Act of 2015), opt-out statuses now automatically renew every two years.

If you wish to cancel your opt-out status and return to being a Medicare-participating provider, you must notify your MAC in writing at least 30 days before the end of the current two-year cycle.

Conclusion

Opting out of Medicare is not a "fire and forget" solution. It requires a meticulous approach to patient communication and legal documentation. For the right practice—particularly those moving toward private-pay or concierge medicine—it offers a path to professional autonomy and reduced administrative stress. However, for practices that rely on high patient volume, the loss of Medicare's massive beneficiary pool can be a significant financial risk.

At Credentialing Hotline, we assist providers in navigating these complex choices, ensuring that whether you choose to participate, remain non-participating, or opt out entirely, your paperwork and compliance are handled with precision.

Key Takeaways

  • Financial Independence: Opting out allows you to set your own fees regardless of Medicare’s allowables.
  • Private Contracts Required: You must have a signed contract with every Medicare patient stating they won't seek reimbursement.
  • Two-Year Cycle: Opting out is a two-year commitment that automatically renews unless cancelled.
  • Referrals Still Work: Opt-out providers can still order and refer services (labs, imaging) that Medicare will cover for the patient.
  • Not for Everyone: Physical/Occupational therapists and certain other specialists are ineligible to opt out.
  • MAC Notification: You must file a formal affidavit with your Medicare Administrative Contractor to initiate the process.
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