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Medicare Plans Idaho 2027

Reviewed by Russell Noga, Licensed Medicare Insurance Broker (all 50 states) — Last updated October 8, 2026

Idaho Medicare beneficiaries can choose a Medicare Advantage plan or Original Medicare with Medigap and Part D for 2027, and in a largely rural state, which plans you can use depends heavily on your county and the hospitals near you.

Idaho’s population centers, the Boise area, the Magic Valley, eastern Idaho and the Panhandle, have the most Medicare Advantage choices. Rural counties may have only a few plans, and long distances to in-network hospitals can make networks matter more than premiums.

This guide covers Idaho options, what to verify before comparing, and how to choose. See Medicare plans 2027.

✔ Licensed in all 50 states

✔ Based on CMS 2027 data

✔ Free plan comparison

Key Highlights

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Idaho Medicare Advantage choices vary widely between metro and rural counties.

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Distance to in-network hospitals matters in rural Idaho.

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Medigap and Part D plans are available statewide.

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The national average 2027 Medicare Advantage premium is $12 a month, down from $14.37 (CMS).

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Annual Enrollment runs October 15 to December 7, 2026.

Compare plans and enroll online

Medicare Options in Idaho

Key Takeaway

Your county decides which Medicare Advantage plans you can choose. Medigap and Part D plans are available statewide.

Feature HMO PPO
Out-of-network care Not covered except emergencies and urgent care Covered at a higher cost
Referrals for specialists Usually required Usually not required
Premiums Usually lower Usually higher
Out-of-pocket maximum In-network limit In-network limit plus a higher combined limit
Best for Lower costs, local care Flexibility, travel, keeping specific doctors

Benefits Idaho Plans May Offer

Idaho Plans May Include

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Hospital and medical coverage, the same as Original Medicare Part A and B

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Part D prescription drug coverage on most plans

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Routine dental, vision and hearing benefits

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Fitness programs and over-the-counter allowances

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Telehealth visits and care coordination programs

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A yearly out-of-pocket maximum on every plan

Not all plans offer all benefits. Benefits vary by plan and county and can change for 2027. Check each plan’s Evidence of Coverage before you enroll.

Medicare Plans Idaho (2027)

Idaho Changes for 2027

Across the country, large insurers are pulling plans from rural counties for 2027. In Idaho, read your Annual Notice of Change carefully, and if you received a non-renewal letter, choose a new plan before December 31, 2026.

Insurer Key 2027 Changes
UnitedHealthcare 852 plans (up from 846); standard plans pulled from about 140 counties; leaving Wyoming; 34 PPOs cut
Humana 861 plans (down from 887); leaving 57 counties and Minnesota; 37 PPOs cut; about 600,000 members’ plans ending
Aetna (CVS Health) 654 plans (up from 642); standard plans pulled from 123 counties; leaving Maryland and New Hampshire; 20 PPOs cut; 29 C-SNPs added
HCSC (including HealthSpring) From 948 counties to about 478; leaving CT, KS, MT, NY, OR, UT and D.C.; 48 PPOs cut
Centene (Wellcare) Standard plans pulled from 344 counties; leaving Hawaii, Oklahoma and Tennessee
Elevance (Anthem) Standard plans pulled from 56 counties; leaving South Carolina
Devoted Health Adding 342 counties; entering CT, MI, NH, NJ and NY

Source: CMS 2027 landscape data as reported by Becker’s, October 1, 2026, and company announcements. Wellmark, Blue Cross Blue Shield of North Dakota and Blue Cross Blue Shield of Mississippi are also exiting Medicare Advantage for 2027.

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Rural Idaho: What to Verify

Check These

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The nearest in-network hospital and how far it is

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Whether specialists you need are in network, and where

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How the plan covers care in neighboring states such as Washington, Oregon or Utah

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Whether a PPO or Original Medicare with Medigap would give you more access

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Telehealth options for follow-up care

For many rural Idahoans, Original Medicare with a Medigap plan is worth a close look, because it works with any provider in the country that accepts Medicare, including hospitals across state lines.

Medicare Advantage in Idaho

Medicare Advantage, also called Part C, is a way to get your Medicare benefits through a private insurance company approved by Medicare. The plan covers everything Original Medicare Part A and Part B cover, except hospice care, which Original Medicare still pays. Most plans also include Part D drug coverage, and many may add extras such as routine dental, vision and hearing benefits.

In exchange, Medicare Advantage plans generally use networks of doctors and hospitals, and may require referrals or prior authorization for some services. Every Medicare Advantage plan has a yearly out-of-pocket maximum for covered medical care, which Original Medicare does not have. You keep paying your Part B premium, plus your plan’s premium if it has one.

Advantages

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Often a low or $0 premium

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A yearly out-of-pocket maximum

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Drug coverage usually included

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Many plans may include dental, vision and hearing benefits

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One card and one plan

Tradeoffs

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Networks; HMOs require in-network care except emergencies

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Prior authorization and referrals are common

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Copays add up if you use a lot of care

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Plans and networks can change every year

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Switching to Medigap later may require health questions

Enrollment timing, county access and Mountain West Care

Medicare Supplement Plans in Idaho

If you prefer Original Medicare, a Medicare Supplement (Medigap) plan pays some or all of what Medicare leaves behind, and lets you see any provider in the U.S. that accepts Medicare. Benefits are standardized by plan letter, so compare prices for the same letter across insurers.

Plan What You Pay Best For
Plan G The Part B deductible; after that, Medicare-approved costs are covered Most complete coverage for new enrollees
Plan N Part B deductible, copays up to $20 for some office visits and up to $50 for some ER visits, and Part B excess charges Lower premium, accepts small copays
High-Deductible Plan G A yearly deductible, then coverage like Plan G Healthy people who want the lowest premium

Medigap benefits are standardized by plan letter. Prices vary by insurer, age, ZIP code and tobacco use.

Watch for: outside your six-month Medigap Open Enrollment Period or a guaranteed issue right, most states let insurers ask health questions and decline you or charge more.

Part D Drug Plans in Idaho

$700

Maximum 2027 Part D deductible, up from $615.

$2,400

2027 Part D out-of-pocket cap, up from $2,100.

About $36

Average 2027 standalone Part D premium, up less than $1 (CMS).

$7

Projected average drug portion of a Medicare Advantage premium for 2027, down from $11.32.

If you keep Original Medicare in Idaho, add a standalone Part D plan. Compare plans with your exact drugs and pharmacies using the 2027 Part D plan finder.

If Your Plan Is Ending

If your plan will not be offered in your county for 2027, you should have received a non-renewal notice in early October. Your coverage does not stop right away: it continues through December 31, 2026, so you have time to choose.

If Your Plan Is Ending

1

Read the non-renewal letter. It confirms your plan is ending and explains your options.

2

List your doctors and drugs. You will need them to compare replacement plans.

3

Compare plans for 2027. Check networks, drug coverage and the out-of-pocket maximum, not just the premium.

4

Choose by December 31 for no gap. Enrolling during Annual Enrollment by December 7 gives you coverage on January 1, 2027.

5

Use your Special Enrollment Period if needed. People whose plans end generally can still make a choice through the end of February 2027.

If you do nothing: you return to Original Medicare on January 1, 2027, without drug coverage unless you choose a Part D plan. Going without drug coverage can lead to a late enrollment penalty.

Medigap rights: when your Medicare Advantage plan leaves your area, you generally have a guaranteed issue right to buy certain Medicare Supplement plans without health questions, up to 63 days after your coverage ends.

How to Compare Idaho Plans for 2027

How to Compare

1

Read your Annual Notice of Change. It lists every change to your current plan for 2027.

2

Check your doctors and hospitals. Confirm each provider is in the 2027 network, not just the 2026 one.

3

Check your prescriptions. Confirm each drug, its tier and any prior authorization or step therapy rules.

4

Compare total yearly cost. Add the premium, typical copays and drug costs, and look at the out-of-pocket maximum.

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Check star ratings. Medicare rates plans from 1 to 5 stars on quality and service.

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Enroll by December 7. Your new coverage starts January 1, 2027.

2027 Enrollment Dates

Enrollment Period Dates What You Can Do
Annual Enrollment Period October 15 to December 7, 2026 Join, switch or drop a Medicare Advantage or Part D plan for January 1, 2027
Medicare Advantage Open Enrollment January 1 to March 31, 2027 If you are in Medicare Advantage, switch to another plan or return to Original Medicare once
Initial Enrollment Period 7 months around your 65th birthday month Sign up for Medicare and choose your first plan
Special Enrollment Periods Varies Change plans after events like moving, losing other coverage or your plan leaving your area

Most people make changes during Annual Enrollment. If you are happy with your current plan, you do not have to do anything; it renews automatically. Still, read your Annual Notice of Change, because premiums, copays, networks and drug lists can all change on January 1.

Special Needs Plans

Special Needs Plans (SNPs) are Medicare Advantage plans built for specific groups. Benefits, networks and drug lists are designed around the members they serve, and many include care coordinators. For 2027, Special Needs Plans are one of the few areas where large insurers are adding plans, even as they cut PPOs.

Type Who Qualifies What Is Different
Dual Special Needs Plan (D-SNP) People with both Medicare and Medicaid Coordinates both programs; often very low costs and added benefits
Chronic Condition SNP (C-SNP) People with qualifying conditions such as diabetes, heart failure or chronic lung disease Doctors, drugs and programs built around the condition
Institutional SNP (I-SNP) People living in a nursing home or who need that level of care at home Care delivered where the member lives

Turning 65 in 2027

If you turn 65 in 2027, your Initial Enrollment Period lasts seven months: the three months before your birthday month, your birthday month and the three months after. Signing up during the first three months means your coverage starts on the first day of your birthday month.

Turning 65 Checklist

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Sign up for Part A and Part B, unless you have qualifying employer coverage and choose to delay Part B

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Decide between Medicare Advantage and Original Medicare with Medigap

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Join a drug plan, or a Medicare Advantage plan with drugs, to avoid a Part D late penalty

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If you choose Medigap, buy during your six-month Medigap Open Enrollment Period

Help Paying Medicare Costs

If your income and savings are limited, two programs can cut your Medicare costs sharply:

Medicare Savings Programs

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Run by your state Medicaid office

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Can pay your Part B premium, and sometimes deductibles and coinsurance

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Income and asset limits vary by state

Extra Help (Part D)

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Run by Social Security

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Lowers Part D premiums, deductibles and copays

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People in a Medicare Savings Program qualify automatically

If you qualify for both Medicare and full Medicaid, you may also be able to join a Dual Special Needs Plan. See help for low-income Part D beneficiaries.

Free Medicare Help in Idaho

Idaho’s State Health Insurance Assistance Program, SHIBA (Senior Health Insurance Benefits Advisors), offers free, unbiased Medicare counseling. You can also call 1-800-MEDICARE any time or compare plans with a licensed agent at no cost.

Free Help Comparing Plans

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Medicare Plan Finder on Medicare.gov, available any time

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1-800-MEDICARE (1-800-633-4227), available 24 hours a day, seven days a week

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Your State Health Insurance Assistance Program (SHIP), which offers free, unbiased counseling

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A licensed insurance agent or broker, who can compare plans from several insurers at no cost to you

Before any call, have your Medicare card, your list of drugs and doses, your doctors and your preferred pharmacies ready. It turns a long conversation into a short one.

Reading Your Annual Notice of Change

Check Every Line

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Your 2027 premium and deductible

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Copays for doctors, specialists and hospital stays

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The out-of-pocket maximum

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Changes to your drug list, tiers and coverage rules

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Whether your doctors, hospitals and pharmacy are still in network

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Changes to dental, vision, hearing and other extras

Plans must send the Annual Notice of Change by September 30. It is the single most useful document you get each fall, because it tells you exactly how your plan changes on January 1.

Bottom Line

The Bottom Line

Idaho Medicare choices depend on your county and your access to in-network hospitals. Verify networks and distance, compare Medicare Advantage with Medigap, and enroll during Annual Enrollment, October 15 to December 7, 2026.

Compare plans and enroll online

Frequently Asked Questions

➤ What Medicare plans are available in Idaho?

Idaho residents can choose Medicare Advantage plans, which vary by county, plus Medigap and Part D plans statewide. Rural counties often have fewer Medicare Advantage choices than areas like Boise. Search your ZIP code on Medicare Plan Finder to see the 2027 plans offered where you live.

➤ Is Medicare Advantage a good choice in rural Idaho?

It can be, but check the distance to in-network hospitals and specialists. Medigap may give more access in rural areas because it works with any provider that accepts Medicare. Compare the plan’s provider directory, out-of-pocket maximum and drug coverage before choosing.

➤ Can I use my Idaho plan in other states?

Emergencies and urgent care are covered anywhere in the U.S. Routine out-of-state care depends on your plan type: HMOs generally require in-network care, while PPOs may cover out-of-network care at a higher cost. Medigap works with any provider in the U.S. that accepts Medicare.

➤ Where can I get free Medicare help in Idaho?

SHIBA, Idaho’s State Health Insurance Assistance Program, offers free, unbiased counseling. A SHIBA counselor can help you compare 2027 Medicare Advantage, Medigap and Part D options in your county. Annual Enrollment runs October 15 to December 7, 2026.

➤ What if my Idaho Medicare Advantage plan is ending?

You will get a non-renewal notice, and your coverage continues through December 31, 2026. You can choose a new plan during Annual Enrollment or a Special Enrollment Period, and you generally have a guaranteed issue right to buy certain Medigap plans.

➤ When can I change my Idaho Medicare plan for 2027?

Annual Enrollment runs October 15 to December 7, 2026, with coverage starting January 1, 2027. If you are in Medicare Advantage, you can also make one change from January 1 to March 31, 2027.

Have Questions?

Speak with a licensed insurance agent

1-855-398-0716

TTY users 711

Mon-Fri: 8am-9pm ET

Find & Compare Plans Online

Speak with a licensed insurance agent

1-855-398-0716TTY 711

Mon-Fri: 8am-9pm ET

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