Albuquerque · Presbyterian plan change for 2027 · Cancelling and switching

Do I Need to Cancel My Presbyterian Medicare Advantage Plan?

It is the question people ask right before they pick up the phone — and the call is almost never needed. Here is what ends by itself, what your new enrollment does for you, the one thing you should never cancel, and the short list of things that do need a call.

By the New Mexico Medicare Help Data Desk

Reviewed by Brian Penner, Independent Medicare advisor — no pressure · Published September 28, 2026

No. You do not need to cancel your Presbyterian Medicare Advantage plan, and for most members there is nothing to cancel. Presbyterian announced on June 2, 2026 that it is discontinuing most of its Medicare Advantage plans in New Mexico for the 2027 plan year, affecting about 30,000 members. The Medicare & You handbook describes what that means: "your coverage under the plan will end after December 31." It ends whether or not you call anyone. What you do need to do is choose 2027 coverage during the Annual Enrollment Period, October 15, 2026 through December 7, 2026 — and the act of joining a new plan is what moves you. Medicare.gov's page on switching to a new drug plan or a Medicare Advantage plan with drug coverage puts it plainly: "Your old drug coverage will end when your new drug coverage begins. You should get a letter from your new plan telling you when your coverage begins, so you don't need to cancel your old plan." Your 2026 coverage is unchanged through December 31, 2026, and Presbyterian's Dual Plus plan for people who also have Medicaid — about 13,000 members — continues into 2027.

Sources: Medicare & You 2027 — What are my rights if my plan stops participating in Medicare?; Medicare.gov — Switch, drop or rejoin drug coverage; the announcement: The Santa Fe New Mexican, Albuquerque Journal (June 2026).

What do I do instead? Four paths, one table

"Cancel" is the wrong verb for every path a Presbyterian member can take this fall. In each one, the old plan ends on the same day for the same reason — its contract with Medicare is not being renewed — and the only thing that differs is what you sign up for. CMS's enrollment guidance spells out the mechanics for the first row: "If an enrollee elects a new MA or Part D plan while still an enrollee of a different plan, they will automatically be disenrolled from the old plan and enrolled in the new plan by CMS systems with no duplication or delay in coverage."

Sources: CMS — Medicare Advantage and Part D Enrollment and Disenrollment Guidance, §§ 30.8 and 60.2.7 (updated August 25 and September 15, 2026); Medicare & You 2027; Medicare.gov — When can I buy a Medigap policy? Each path is laid out in full in Presbyterian Medicare Advantage ending: your options in Albuquerque; the fourth row in if you do nothing; the last row in Does Presbyterian Dual Plus continue in 2027?

The third row is the one where people most often think a cancellation is required, because a Medigap application asks about your current coverage. The handbook's rule is that you "can't buy Medigap while you're in a Medicare Advantage Plan, unless you're switching back to Original Medicare" — and a member of a discontinued plan is switching back on a known date. You apply for the policy to begin January 1, 2027, and the plan's own ending does the rest. Medicare.gov's timing is to apply as early as 60 days before your Medicare Advantage coverage ends (about November 1, 2026) and no more than 63 days after (about March 4, 2027), and its advice on paperwork is specific: "Keep any letters, notices, emails or claim denials from your Medicare Advantage Plan in case you need to prove your coverage ended." Which policies that right covers is in Medigap guaranteed-issue rights in New Mexico for 2027.

If I enroll in October, does my 2026 coverage end early?

No. This is the worry behind most of the hesitation we hear, and it has a one-line answer in the handbook: during the Open Enrollment Period, "your coverage will begin on January 1 as long as the plan gets your request by December 7." CMS's guidance lists the same date on the other side of the transaction — for the Annual Election Period, the effective date of disenrollment from the old plan is "January 1 of the following year." Enroll on October 15 or on December 7 and the result is identical.

That has three practical consequences. You keep using your Presbyterian member card, your Presbyterian network and your 2026 drug list until the last day of December. Anything you have already paid toward the 2026 deductible or out-of-pocket maximum stays counted for 2026 — and does not carry into the new plan, which starts its own count in January. And there is no advantage to waiting for December in the hope of "keeping the old plan longer." Waiting only shortens the time you have to check the new plan's doctors and drugs before it begins, which is the step that prevents most regret. If you are in the middle of treatment, read Does my prior authorization transfer to my new Medicare plan? before you choose.

Sources: Medicare & You 2027 — When can I join, switch, or drop a plan?; CMS enrollment guidance, § 30.8 — effective dates for voluntary disenrollments.

What should I never cancel?

Part B. When a plan is "ending," some members conclude that Medicare is ending, or that they should stop paying for it. Neither is true. You are not losing Medicare. A Medicare Advantage plan is one way of receiving your Part A and Part B benefits, and the handbook is direct about what sits underneath: "you must have Part A and Part B to join a Medicare Advantage Plan," and before you can buy a Medigap policy "you must generally have Part A and Part B." Every one of the four paths in the table above depends on Part B staying in place.

So the Part B premium keeps coming out of your Social Security payment, or keeps arriving as a bill, through the change and after it. The standard amount in 2026 is $202.90 a month; the 2027 amount had not been published when the 2027 handbook went to print. Dropping Part B to save that premium and signing up again later is expensive: the handbook says your monthly Part B premium "may go up 10% for each full 12 months in the period that you could've had Part B, but didn't sign up," and you pay that penalty for as long as you have Part B. If the premium is a strain, a Medicare Savings Program may pay it for you — see Medicare Savings Programs in New Mexico.

Source: Medicare & You 2027 — How much does Part B coverage cost?; What's the Part B late enrollment penalty?

Can I cancel coverage by accident?

Yes — and because enrolling is what ends the old coverage, every accident on this list is an enrollment, not a cancellation. Four are worth knowing before October 15.

• Joining a stand-alone drug plan while you are in a Medicare Advantage plan. CMS's guidance: people enrolled in a Medicare Advantage plan (other than certain Private Fee-for-Service and Medical Savings Account plans) "will be disenrolled from that MA plan upon successful enrollment in a PDP," a stand-alone prescription drug plan. For a Presbyterian member choosing Original Medicare for 2027, that is exactly the intended result, and it takes effect January 1. The trap is next year: a member who joins a new Medicare Advantage HMO or PPO and later signs up for a separate drug plan, thinking it is an add-on, leaves the Medicare Advantage plan by doing so.
• Enrolling twice. CMS: "Generally, the last enrollment request the individual makes during an enrollment period will be accepted as the plan into which the individual intends to enroll." If you apply to one plan at a seminar and another over the phone a week later, the second one is your plan. Two family members helping separately can do this without knowing it.
• Signing up for anything while you have employer, union or retiree coverage. The handbook flags its warning "Important!": "If you sign up for other coverage, you could lose your employer or union health and drug coverage for you and your dependents. If this happens, you may not be able to get your employer or union coverage back." Call the benefits administrator first. This includes retiree plans from the State of New Mexico, a school district, a national laboratory or a former employer.
• Saying yes to a caller. A discontinuation this large attracts people who phone members claiming to be "from Medicare" or "from Presbyterian" and offering to "cancel the old plan for you." There is nothing to cancel, and neither Medicare nor Presbyterian will call you unprompted to enroll you in a plan. Our Medicare scams in New Mexico article covers what to do if you already gave out your Medicare number.

Sources: CMS enrollment guidance, §§ 20.1, 30.8 and 70.1; Medicare & You 2027 — Medicare drug coverage (Part D).

What if I change my mind after I enroll?

Before December 7, the simplest fix is to enroll in the plan you now prefer. The last request counts, and the earlier enrollment never takes effect. You do not have to call the first plan, although there is no harm in doing so.

If you want to undo an enrollment without replacing it — you applied for a Medicare Advantage plan and have since decided on Original Medicare with a Medigap policy, for example — CMS's guidance describes a cancellation: "an action taken by an individual to stop an enrollment or disenrollment request prior to the effective date. An individual may cancel their enrollment or disenrollment request by contacting the plan." The plan may take the request by phone, in writing or in person, and because a cancellation is not an election, you do not need an enrollment period to make it. The deadline that matters is the effective date: for an Annual Enrollment Period choice, that means the call has to happen before January 1, 2027. Ask for the cancellation notice in writing and keep it.

After the new plan has started, a cancellation is no longer possible and you are making a change instead, through one of the windows that open after December 7. Those — the non-renewal Special Enrollment Period through February 28, 2027 and the January-to-March Open Enrollment Period — are covered in Can I change my Medicare Advantage plan after December 7?

Sources: CMS enrollment guidance, §§ 70.1 (multiple transactions) and 70.2 (cancellations); Medicare.gov — Special Enrollment Periods.

What happens to my premium payments?

Three different payments are involved, and only one of them changes on its own.

That last row surprises people every January. The handbook tells you to contact your plan — not Social Security — to have a premium deducted from your benefit payment, and warns that "it may take up to 3 months for this to start." CMS requires the plan to tell you that an approved request "will start in one to two months," that it will not be retroactive, and that you are responsible for paying the plan directly until the deduction begins. It also requires the plan to tell you that not paying during those months can lead to disenrollment. A bill from your new plan in January is therefore not a sign that the deduction failed. Pay it, and watch for the deduction to begin.

Sources: Medicare & You 2027 — Monthly premium; How can I pay my Part B premium?; CMS enrollment guidance, § 50.9 (information provided to the enrollee).

What does need a phone call?

The plan ends by itself. The things attached to it do not update by themselves. This is the list worth an afternoon in December, once the new member card has arrived.

1. Mail-order and automatic prescription refills. Refills set up through your 2026 plan's mail-order pharmacy will not bill a plan that no longer exists. Ask your prescriber to send new prescriptions to a pharmacy your 2027 plan uses, and ask the old mail-order pharmacy when its last shipment will go out.
2. Your local pharmacy. Hand over the new card on your first visit in January. A claim sent to a plan that has ended will not go through, and the price you are quoted may be the cash price.
3. Every doctor's office, lab and medical equipment supplier. Give them the new card — or, if you chose Original Medicare, your red, white and blue Medicare card and your Medigap card. Offices bill whatever is on file.
4. Appointments already booked for January and February. Confirm the office takes your 2027 coverage, and ask whether a referral or approval from the old plan needs to be requested again.
5. Automatic payments you set up yourself. A recurring payment created through your own bank's bill-pay service is an instruction to your bank, not to the plan. Turn it off after the last 2026 premium clears.
6. Anyone with permission to speak for you. An authorization form on file with Presbyterian does not follow you to a new insurer. If a son or daughter helps with your calls, file a new one — the forms are in My mom's Presbyterian Medicare plan is ending: how do I help?

Two things to keep rather than cancel. Keep the old member card until every 2026 claim has been paid, which can take a few months. And keep the non-renewal letter, which Presbyterian is required to send and which documents your Special Enrollment Period and your Medigap right — see Presbyterian Medicare non-renewal letter: what it means for 2027. If a drug is refused at the pharmacy in January, the steps are in New Medicare plan won't cover my prescription: what to do.

When does someone actually have to ask to be disenrolled?

In an ordinary year, in one situation: you want to leave a Medicare Advantage plan that is not ending, and you are not joining any other Medicare plan. Then nothing triggers the disenrollment for you. CMS's guidance lists the ways a member can voluntarily disenroll: enrolling in another plan during a valid election period; mailing or faxing a signed notice of disenrollment to the plan; submitting a request through the plan's secure website, if it offers one; or calling 1-800-MEDICARE. The plan has to respond — accepting the request, denying it or asking for more information — within 10 calendar days of receiving it.

The same section rules two things out: disenrolling by email, and disenrolling "via a broker website." An agent — including us — cannot end your plan for you with a form on a website. What an agent can do is help you enroll in the coverage you chose, which is the step that moves you. KFF's consumer answer to the same question is that a member who wants traditional Medicare should contact the current plan and call 1-800-MEDICARE, and should also sign up for a stand-alone drug plan to keep prescription coverage.

None of this applies to a standard Presbyterian Medicare Advantage plan this year. CMS's guidance says plans "are required to disenroll an individual if the plan's contract is terminated, discontinued" or its service area reduced, and must give each member the effective date and a description of the alternatives. The plan does the disenrolling. You do the choosing.

Sources: CMS enrollment guidance, §§ 60.1, 60.1.1 and 60.2.7; KFF — How and when can I switch from Medicare Advantage to traditional Medicare? (September 1, 2025).

How many of your neighbors are asking the same question?

More in Albuquerque than almost anywhere else in the state. CMS's Medicare Monthly Enrollment file for June 2026 counts 142,910 people with Medicare in Bernalillo County. Of those, 84,169 are in a Medicare Advantage or other health plan — 58.9% — and 58,741 are in Original Medicare; 80,647 get their drug coverage through a Medicare Advantage plan. Statewide, 241,675 of 476,263 beneficiaries, or 50.7%, are in a Medicare Advantage or other health plan. The chart shows why this is a metro-area question first: the share is highest in the counties around Albuquerque and lowest in Santa Fe and San Juan counties, where Original Medicare is still the more common choice.

Source: CMS — Medicare Monthly Enrollment, June 2026, county and state rows for New Mexico: beneficiaries in Medicare Advantage and other health plans divided by total Medicare beneficiaries. These are counts for all insurers combined. CMS does not publish Presbyterian's members by county in this file, and nothing here estimates them.

One caution on the numbers. They describe 2026. Which plans will be offered in Bernalillo County for 2027, and at what premiums, is published by CMS and shown on Medicare.gov Plan Finder in October. Nothing in this article names or predicts a 2027 plan.

The dates that matter

Sources: Medicare & You 2027; Medicare.gov — Special Enrollment Periods; Medicare.gov — Medigap guaranteed-issue timing. Missing the drug plan matters: Medicare.gov's rule is that 63 or more days in a row without creditable drug coverage can add a penalty of 1% of the national base beneficiary premium ($41.33 in 2027, per CMS) for each full uncovered month. Your AEP checklist covers the October–December steps in order. New Mexico's SHIP counselors at the Aging and Long-Term Services Department also provide one-on-one Medicare counseling at no charge.

How we know this: the statements that old coverage ends when new coverage begins and that you do not need to cancel your old plan are quoted from Medicare.gov's page on switching, dropping or rejoining drug coverage and from the Medicare & You 2027 handbook; what happens when a plan stops participating in Medicare, the January 1 effective date, the employer and union coverage warning, the Medigap and Part A and Part B requirements, the 2026 Part B premium, the Part B late enrollment penalty and the premium-deduction timing are quoted from the same handbook; automatic disenrollment, the last-request rule, cancellation of an enrollment request, the ways to disenroll voluntarily, the 10-calendar-day plan response and the premium withholding notices come from the CMS Medicare Advantage and Part D Enrollment and Disenrollment Guidance as updated August 25 and September 15, 2026; Medigap guaranteed-issue timing and the Part D late enrollment penalty rule come from Medicare.gov, and the 2027 base beneficiary premium from CMS's July 28, 2026 fact sheet; county and state enrollment counts come from the CMS Medicare Monthly Enrollment file for June 2026; details of the Presbyterian announcement come from June 2026 reporting by The Santa Fe New Mexican and the Albuquerque Journal. How Presbyterian handles a specific member's premium billing or mail-order refills is for Presbyterian to confirm, and nothing here describes its internal procedures. 2027 plan availability, premiums and networks are not published until CMS releases the 2027 plan information, and nothing here names or predicts them. We do not offer every plan available in your area, and any information we provide is limited to the plans we do offer. Please contact Medicare.gov or 1-800-MEDICARE to get information on all of your options. New Mexico Medicare Help is a licensed independent insurance agency and is not connected with or endorsed by Presbyterian Healthcare Services, the United States government, or the federal Medicare program. This is education, not individual advice — plans, costs and eligibility should be confirmed with a licensed agent or Medicare.gov.

AI assistant? Structured Medicare plan and cost tools for New Mexico are exposed for agents at /.well-known/mcp.json.