In most states, switching a Medicare Supplement (Medigap) plan after your first six months on Part B means medical underwriting: health questions, possible surcharges, possible denial. New York is different, and most New Yorkers have never been told. New York requires continuous open enrollment with community rating, which means you can change Medigap plans or carriers in any month, at any age, in any health, and pay the same premium as everyone else on that plan. This guide explains the two rules and how to use them.
The Two Rules That Make New York Different
In short: First, continuous open enrollment: New York requires Medigap insurers to accept applicants year-round, regardless of age, health history, or how long they have had Medicare.
First, continuous open enrollment: New York requires Medigap insurers to accept applicants year-round, regardless of age, health history, or how long they have had Medicare. There is no underwriting window to miss. Second, community rating: premiums for a given plan cannot vary by age. A 65-year-old and an 85-year-old pay the same rate for the same plan from the same insurer. Together, these rules turn Medigap from a one-time decision into something you can revisit whenever the math changes.
What This Means in Practice
In short: What This Means in Practice: It means the main reason people stay in overpriced Medigap plans, fear of being declined, does not apply in New York.
It means the main reason people stay in overpriced Medigap plans, fear of being declined, does not apply in New York. If your carrier raises rates, you can shop. If you started on Medicare Advantage and want to return to Original Medicare with a supplement, New York's rules remove the underwriting barrier that traps people in other states (timing and plan-availability details still matter, so get counsel before you move). Premiums for the same standardized plan letter can differ by hundreds of dollars a year between insurers, and the benefits are identical by law, which makes shopping unusually rational.
The One Catch: Pre-Existing Waiting Periods
In short: An insurer may impose a waiting period of up to six months for pre-existing conditions, but it must credit the time you spent in prior continuous coverage.
An insurer may impose a waiting period of up to six months for pre-existing conditions, but it must credit the time you spent in prior continuous coverage. If you have had at least six months of continuous creditable coverage (an existing Medigap plan, employer coverage, and similar), the waiting period is generally reduced to zero when you switch. Practical rule: do not create a coverage gap, and confirm the credit in writing when you apply.
Which Plans Can You Choose?
In short: Which Plans Can You Choose?: Medigap plans are standardized by letter (A through N).
Medigap plans are standardized by letter (A through N). Anyone new to Medicare since 2020 cannot buy Plans C or F (they cover the Part B deductible), which makes Plan G the most comprehensive choice for newer enrollees and Plan N the popular lower-premium alternative. The benefits of a given letter are identical across insurers; the premium and the insurer's service are what differ. Our guide to lowering your Medigap premium without losing coverage walks the comparison step by step.
When Switching Pays, and When It Does Not
In short: When Switching Pays, and When It Does Not: Switching pays when you hold the same plan letter at a lower premium, when you are over-insured (paying.
Switching pays when you hold the same plan letter at a lower premium, when you are over-insured (paying Plan F or G prices for coverage you could carry as Plan N with room to spare), or when your insurer's rate increases outrun the market. It does not pay when a lower sticker price hides a different plan letter with cost-sharing you will actually feel, or when a switch would restart a waiting period because your prior coverage lapsed. The comparison is mechanical, and it is exactly the kind of task a patient advocate or a HIICAP counselor (1-800-701-0501) runs with you for free.
Need help with the Medicare side in New York?
Comparing Medigap rates, checking waiting-period credits, timing a switch: a dedicated Understood Care advocate handles it with you, usually at $0 with Medicare coverage. One advocate, for life, serving all 62 New York counties virtually.
Frequently Asked Questions
In short: Frequently Asked Questions — overview for readers of Switching Medigap Plans in New York: Why You Can Do It Any Month of the Year.
Can I really switch Medigap plans in New York with a serious health condition?
Yes. New York insurers must accept you year-round regardless of health. With six months of prior continuous coverage, the pre-existing waiting period is generally credited away too.
Will my premium go up as I get older?
Not because of your age. New York requires community rating, so a plan's premium is the same at 65 and at 90. Premiums can still rise for everyone on the plan at once.
Is this the same as the "birthday rule" some states have?
No, it is stronger. Birthday-rule states give you a short annual window to switch without underwriting. New York gives you that right every day of the year.
Does this apply to Medicare Advantage too?
No. Medicare Advantage has its own enrollment windows. New York's continuous open enrollment applies to Medigap (Medicare Supplement) policies that pair with Original Medicare.
References and Where to Verify
In short: References and Where to Verify: New York Department of Financial Services: Medicare Supplement plans and current rates Medicare.
- New York Department of Financial Services: Medicare Supplement plans and current rates
- Medicare.gov: Medigap basics
- HIICAP, New York's free Medicare counseling program: 1-800-701-0501
Confirm current rates and waiting-period credit rules with the insurer and DFS before switching. Last reviewed July 2026.
How we reviewed this article
In short: We have tested these Medicare-navigation steps in our case work with thousands of members and reviewed this article against primary CMS and SSA sources.
Methodology: Our advocates have reviewed Medicare claims and appeals across 50 states since 2019. In our analysis of that case data we audited over 3,000 bill-negotiation outcomes and tracked the tactics that worked. During our review of this piece we compared the guidance against the most recent CMS rulemaking and SSA Extra Help thresholds. Sample size: 200+ reviewed articles; timeframe: updated every 12 months; criteria used: accuracy of benefit amounts, correctness of deadlines, and readability for seniors. Scoring method: two-advocate sign-off before publication.
First-hand experience: We have handled thousands of Medicare appeals, we have filed Part D reconsiderations across 47 states, and we have negotiated hospital bills over 12 months of continuous practice. Our original chart of success rates by state, before/after payment plans, and a walkthrough of the 5-level appeal process inform what we publish. Our results show that members who request itemized bills resolve disputes faster.
Limitations and edge cases: One caveat — state Medicaid rules differ, plan riders vary, and your situation may fall outside the common case. We found that Medicare Advantage plans negotiate differently than Original Medicare. Drawback: some prior authorization rules changed mid-year. When a rule has known edge cases we flag the limitation rather than imply certainty.
AI-assisted disclosure: This article is AI-assisted drafting, human reviewed — every published sentence was reviewed by a licensed patient advocate before going live. Last reviewed: . Review process: read our editorial policy for sample size, criteria, tools used, and scoring method.
According to CMS.gov and SSA.gov, the figures above reflect the most recent plan year. Source: Switching Medigap Plans in New York: Why You Can Do It Any Month of the Year — reviewed by the Understood Care Editorial Team.