Newsroom · Utah

How Long Do I Have If My Medicare Advantage Plan Ends in Utah?

Longer than December 7, and shorter than people think. A plan that is discontinued for 2027 gives you three different clocks: one for a January 1 start, one for the Special Enrollment Period, and one for Medigap with no health questions. Here they are as a dated, week-by-week calendar for a Salt Lake member, from the October 2 letter to March 4, with the rule behind each date.

Medicare On Main Data Desk

Published October 7, 2026 · 9 min read · Reviewed by Brian Penner

Every post we have written on the 2027 file ends with "the three doors," and every reader's next question is the same: by when? We have covered which Utah plans are gone (all 28 counties), the Salt Lake shelf (every 2027 plan with its 2026 numbers), the HealthSpring exit (Cigna to HCSC to HealthSpring) and the Humana name puzzle (crosswalk or non-renewal?). This post is only the calendar. Every date comes from Medicare.gov, the Code of Federal Regulations or CMS's own 2027 enrollment guidance, and the one thing we want you to take from it is that the deadline you have heard, December 7, is neither the last day nor the whole story. Carrier names are factual reporting, not endorsement; the plan is being discontinued, nobody is to blame; we do not offer every plan available in your area.

Who this calendar is for

A non-renewal is a specific thing: your plan's contract and plan number have no row in the CMS 2027 file, and the letter you got in early October says so. In Salt Lake County that is these plans. If your plan sent an Annual Notice of Change in September instead, your plan continues and only the October 15 – December 7 window applies to you.

Sources: CMS CY2027 landscape file (no row for any plan listed); CMS Monthly Enrollment, September 2026 (counties under 11 members suppressed; Select Health + Kroger and Regence Valiance county counts are in their own posts). Humana Value Choice H5216-456 members should read their letter first; a new plan number, H5216-471, appears in Salt Lake County and whether you were moved is a letter question. CMS's guidance adds that plan consolidations "are not terminations nor non-renewals" and carry no Special Enrollment Period.

The calendar, week by week

Sources: 42 CFR § 422.506 (90 days); § 422.2263 (October 1 marketing); Medicare.gov, Joining a plan (October 15 – December 7, January 1 start); CMS CY 2027 Enrollment and Disenrollment Guidance § 30.6.10.A (the Special Enrollment Period and its effective dates); § 422.62 (a)(3) and (b)(1); Medicare.gov Medigap guaranteed-issue rights; Medicare.gov, Medicare costs (63 days; no cap in Original Medicare). Salt Lake County counts from the CY2027 landscape file; Utah drug-plan count and premiums from our 2027 Part D post.

The three clocks, explained

Clock one: January 1 coverage

Everyone on Medicare has the Annual Enrollment Period, October 15 through December 7, and a plan chosen then starts January 1 (Medicare.gov). What a non-renewal adds is three more weeks. 42 CFR § 422.62(b)(1) creates a Special Enrollment Period when your plan is terminated or stops serving your area, and CMS's 2027 enrollment guidance sets its dates: it "begins December 8 of the contract year and ends the last day of the following February," and "Enrollment requests received from December 8 through December 31 will have an effective date of January 1." So the true last day for a seamless start is December 31. We still tell clients to work to December 7, because the last three weeks of December are when hold times are longest, directories are busiest and a mistake has no time to be fixed.

Clock two: the Special Enrollment Period's own gap

The same guidance continues: "Enrollment requests received in January will have an effective date of February 1," and February requests take effect March 1. The Special Enrollment Period is not a grace period in which you are still covered; it is a window in which you are allowed to enroll while sitting in Original Medicare. If you use January, January is spent with no drug plan and no cap. If you use February, so is February. On March 1 the window has already closed.

Clock three: Medigap with no health questions

Medicare.gov: when your Medicare Advantage plan leaves Medicare or stops serving your area and you switch to Original Medicare, you may buy Plan A, B, C, D, F, G, K or L (C and F only if you were eligible before 2020), applying from "60 days before the date your Medicare Advantage Plan coverage ends" to "No more than 63 days after." For a December 31 end that is November 1, 2026 through March 4, 2027, and "Medigap coverage can't start until your Medicare Advantage Plan coverage ends." This clock is the generous one, and it is the one that matters most to a member who bought the plan for its cap: a Plan G or high-deductible G replaces the cap with a known worst case, and after March 4 a Utah Medigap company may ask health questions and decline you. Medigap never includes drug coverage, so this door is two enrollments: the policy, and one of Utah's 8 stand-alone drug plans by December 7.

The penalty question, with the arithmetic

People hear "63 days" and "February 28" and assume the Special Enrollment Period walks them into a Part D late-enrollment penalty. It does not, on its own. Medicare.gov's rule is "Don't go 63 days or more without creditable drug coverage." Count it: a plan that ends December 31, and a February request that starts March 1, leaves January 1 through February 28 uncovered. January has 31 days and February 2027 has 28, which is 59 days, four short of the line. That is also why the Medigap window closes on March 4 rather than February 28: 63 days after December 31 lands on March 4. The real cost of using the Special Enrollment Period late is paying the pharmacy's full price for one or two months with no plan negotiating on your behalf, and, if you need a hospital, having no out-of-pocket ceiling. What does trigger the penalty is letting the window close and staying in Original Medicare with no drug plan past March 4; from there the clock keeps running until you enroll, and the penalty is permanent. For 2027, per Medicare.gov, no drug plan's deductible may exceed $700 and the out-of-pocket threshold is $2,400; those numbers are in the plan you pick, not in the gap.

January 1 if you do nothing

The letter says it in one line, and so does Medicare.gov's Non-Renewal Notice page: "You must look for a new plan for coverage next year." Nobody enrolls you in anything. On January 1 you are in Original Medicare, Parts A and B. You can see any doctor who takes Medicare, which is a genuine advantage, and you pay 20 percent of most Part B services after the deductible with, in Medicare.gov's words, "no yearly limit on what you pay out-of-pocket, unless you have supplemental coverage." You have no drug plan. And one door you may have heard of is shut: the January 1 – March 31 Medicare Advantage open enrollment period, which § 422.62(a)(3) reserves for an individual "enrolled in an MA plan." Your route back in is the non-renewal Special Enrollment Period, with its February 1 or March 1 start.

What the birthday rule does and does not do here

Utah is one of the states with a Medigap birthday rule, and it comes up every October. Utah Code § 31A-22-620(3)(g) gives a person who already holds a Medicare supplement policy 60 days from their birthday each year to switch to a policy of equal or lesser benefits with the same insurer, with no health questions. It is a Medigap-to-Medigap right. It does not open a door from a discontinued Advantage plan, and it does not extend March 4. The order for a Salt Lake member is: use the discontinuation right to get into Medigap by March 4, then use the birthday rule in later years to shop the same or a lesser letter. We walked through the rule itself in does Utah's birthday rule apply if I'm on Medicare Advantage?

What I would do this week

1. Read the letter's first paragraph and your card. "Will not be offered" or "non-renewal" plus a plan number with no 2027 row means every clock above is yours. An Annual Notice of Change means only October 15 – December 7.
2. Put three dates on the kitchen calendar: December 7, December 31, March 4. Circle the first one.
3. Pick the door by October 31. Another plan, or Original Medicare with Medigap and a drug plan. The doctor and drug checks are different for each, and both take an evening.
4. If Medigap: apply November 1 with a January 1 effective date, and enroll in the drug plan before December 7. Keep the October letter; Medicare.gov says you may need to send a copy.
5. If another plan: enroll before December 7, and if life intervenes, before December 31. January is not a deadline, it is a month without coverage.

How we know all this: the Medicare On Main Data Desk frames every article with public data — here, CMS's CY 2027 Medicare Advantage and Part D Enrollment and Disenrollment Guidance (§ 30.6.10.A), Medicare.gov's pages on the Plan Non-Renewal Notice, joining a plan, Medigap guaranteed-issue rights, Medicare costs and Part D costs as read on October 6 and 7, 2026, the text of 42 CFR §§ 422.506, 422.62 and 422.2263, Utah Code § 31A-22-620, the CMS CY2027 landscape file for Salt Lake County, and the CMS September 2026 county enrollment file. Mentioning a carrier is factual reporting, not endorsement or criticism; "the plan is being discontinued" describes the file, not a judgment. Dates assume a plan that ends December 31, 2026; confirm your own letter's dates with the plan. This is education, not advice; confirm plans, costs and eligibility with the plan, a licensed agent or Medicare.gov. We take no payment from any carrier to feature a plan.