Medicare Opt-Out: What Every Concierge Physician Must Understand
Category: Regulatory & Compliance | Publication: Concierge Medicine Today, 2025
Format: Leadership Education Article | Audience: Physicians, Practice Leaders, Healthcare Executives
URL: https://conciergemedicinetoday.com/leadership-hub/lh-rc-01-medicare-opt-out
HOW TO CITE: Concierge Medicine Today. “Medicare Opt-Out: What Every Concierge Physician Must Understand.” CMT Leadership Hub. 2025. https://conciergemedicinetoday.com/leadership-hub/lh-rc-01-medicare-opt-out
DISCLAIMER: Articles from the CMT Leadership Hub may be cited as educational resources. Content is for educational and informational purposes only and does not constitute medical, legal, or financial advice. For media inquiries or academic research requests, contact the CMT editorial team directly.
ABSTRACT Medicare opt-out is among the most consequential regulatory decisions a concierge physician makes. This article provides an educational overview of the Medicare opt-out process for physicians under 42 U.S.C. § 1395a and implementing CMS regulations, the implications of opt-out for practice structure and patient relationships, the distinction between opt-out and non-participation, and the legal requirements for private contracts with Medicare beneficiaries. Content is educational only. Physicians must consult qualified healthcare attorneys before making Medicare participation decisions.
KEYWORDS: Medicare opt-out, concierge medicine regulation, CMS regulation, private contract, membership medicine, Medicare participation, physician compliance
1. REGULATORY DISCLAIMER
This article is educational content only. It does not constitute legal or regulatory advice. Medicare regulations are complex, subject to change, and have significant financial and legal consequences for physicians and patients. Physicians must consult a qualified healthcare attorney before making any Medicare participation decision.
2. THE CORE REGULATORY FRAMEWORK
Physicians who wish to charge Medicare beneficiaries retainer or membership fees for services that would otherwise be covered by Medicare must formally opt out of the Medicare program. The legal basis is 42 U.S.C. § 1395a, which permits beneficiaries to enter into private contracts with physicians who have opted out, without Medicare payment being available for services rendered under that contract [1].
Opt-out status is established through the submission of a signed affidavit to the physician’s Medicare Administrative Contractor (MAC). The affidavit is effective for a two-year period and renews automatically unless the physician files a notice of rescission.
3. OPT-OUT VS. NON-PARTICIPATION: A CRITICAL DISTINCTION
Physicians sometimes confuse Medicare opt-out with Medicare non-participation. These are distinct regulatory statuses with different implications:
• Non-participating physicians: remain in the Medicare program, accept Medicare patients, and bill Medicare but at a reduced reimbursement rate. They may not charge membership fees for covered services.
• Opted-out physicians: are fully outside the Medicare billing structure. They may charge Medicare beneficiaries any fee agreed upon in a private contract, and Medicare will not pay for services rendered under the private contract.
4. PRIVATE CONTRACT REQUIREMENTS
When a Medicare beneficiary enrolls in an opted-out physician’s practice, a written private contract is required. CMS regulations specify that the contract must:
• Be signed by both the beneficiary and the physician before any service is provided under the contract.
• State that the beneficiary understands that Medicare will not pay for services under the contract.
• Confirm that the beneficiary is not in a state of urgent or emergency need at the time of signing.
• Inform the beneficiary that they may obtain covered services from non-opted-out physicians with Medicare reimbursement.
5. HYBRID MODEL CONSIDERATIONS
Some concierge practices maintain Medicare participation while charging membership fees only for services explicitly outside Medicare’s covered benefits: extended appointment access, after-hours personal communication, care coordination that exceeds covered care management services. This hybrid approach is legally complex and requires precise fee agreement language. Physicians pursuing this structure should have their membership agreement reviewed by a healthcare attorney experienced in Medicare compliance.
REFERENCES
1. Centers for Medicare & Medicaid Services. Medicare private contracts and opt-out. 42 CFR § 405.440. https://www.cms.gov
2. American Medical Association. Medicare Opt-Out resource guide. https://www.ama-assn.org
3. Carnahan SJ. Concierge medicine: legal and ethical issues. Journal of Law and the Biosciences. 2014;1(2):190-196.

