

Understanding Your Medigap Coverage Options


In most states, Medigap policies are standardized by lettered plans (Plans A-D, F, G, and K-N). Each same-letter plan offers the same core benefits regardless of insurance company, though plan availability and monthly premiums vary by carrier and location.
Note that Plans C and F are generally not available to individuals who became newly eligible for Medicare on or after January 1, 2020. Additionally, Part B cost-sharing applies to many approved medical services after your annual deductible is met, rather than all healthcare expenses.
Medigap policies are generally guaranteed renewable as long as you pay your premiums on time, ensuring your policy cannot be canceled due to health changes.
Medigap vs. Medicare Advantage
Medigap policies work exclusively with Original Medicare and do not pay Medicare Advantage cost-sharing. Understanding how these two distinct coverage paths differ helps you decide which fits your personal needs.
Medigap (Medicare Supplement)
Medicare Advantage (Part C)
Works directly alongside Original Medicare. You can visit any doctor or hospital nationwide that accepts Medicare without requiring plan network referrals.
An alternative private-plan way to receive Part A and B benefits. Plans generally rely on specific regional provider networks (such as HMOs or PPOs) and primary care referrals.
Typically features higher monthly premiums but lower, more predictable out-of-pocket costs when receiving care. Does not include prescription drugs, requiring a separate Part D plan.
Often offers lower monthly premiums with copayments as care is received. Frequently bundles Part D prescription coverage and extra services like routine dental or vision.


Open Enrollment & Part D Requirements
Your 6-month Medigap Open Enrollment Period begins automatically the first month you are at least 65 years old and enrolled in Medicare Part B. During this timeframe, insurers cannot deny coverage or charge higher rates based on pre-existing health conditions.
If you apply for Medigap outside this 6-month window, protections depend on specific guaranteed issue rights or state-level regulations, and medical underwriting may apply.
Because modern Medigap policies do not cover prescription medications, beneficiaries seeking drug coverage typically enroll in a standalone Medicare Part D prescription drug plan.
No single Medicare Supplement plan is best for everyone. Premium costs, plan availability, and individual healthcare requirements vary. We encourage you to carefully compare coverage options for your personal budget and medical requirements.