Colorado Medicare

Medicare Advantage Plans in Colorado for 2027: What's Ending and What's Available

46 Colorado Medicare plans end or leave counties for 2027, per CMS; 72,815 people must choose a new plan. Another 7 were merged or renumbered, so those members move automatically. If yours is on the list, a licensed agent can help at no cost to you.

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You can enroll in a 2027 Medicare plan from October 15 through December 7.

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We do not offer every plan available in your area. Any information we provide is limited to those plans we do offer in your area. Please contact Medicare.gov or 1-800-MEDICARE to get information on all of your options. Not connected with or endorsed by the United States government or the federal Medicare program. Calls are recorded, as Medicare requires.

Which Colorado Medicare plans are ending in 2027?

Checked October 6, 2026 against CMS's 2026 and 2027 plan lists and September 2026 enrollment.

The biggest plans ending: Aetna (26,067 members), AARP (25,795 members), Cigna HealthSpring (10,682 members). CMS's 2027 Plan Crosswalk says 46 Colorado Medicare Advantage and Part D plans end or leave counties for 2027, with at least 72,815 people enrolled who must choose a new plan. Another 7 plans (6,811 people) were merged into other plans or given new plan numbers; CMS moves those members automatically, and their letter names the new plan. A plan that ends stops on December 31, 2026. It does not mean you lose Medicare. Your plan's own letter is the final word.

Aetna: 12 plans end or leave counties (26,067 members) county detail
AARP (UnitedHealthcare): 16 plans end or leave counties (25,795 members) county detail
Cigna HealthSpring: 4 plans end or leave counties (10,682 members); 1 merged or renumbered (4,053 members) county detail
Humana: 4 plans end or leave counties (4,576 members); 6 merged or renumbered (2,758 members) county detail
Intermountain Health Care: 5 plans end or leave counties (4,385 members) county detail
Kaiser Permanente: 3 plans end or leave counties (1,310 members) county detail
Clear Spring Health (Group 1001): 2 plans end or leave counties (0 members) county detail

53 Colorado plans on CMS's 2026 list but not its 2027 list: plans that end come first, then plans CMS merged or renumbered
Plan	Plan ID	Counties	Members	What CMS says for 2027
UHC Dual Complete CO-S4 (HMO-POS D-SNP) AARP (UnitedHealthcare)	H0624-006	Adams, Alamosa, Arapahoe, Archuleta and 60 more	19,764+	CMS lists different outcomes by plan segment. Your letter says which applies to you.
SilverScript Choice (PDP) Aetna	S5601-054	Statewide (Part D drug plan)	14,210+	Ends December 31, 2026. Members must choose a new plan. 14,210 of them are in counties where this company has no 2027 plan at all.
HealthSpring Extra Rx (PDP) Cigna HealthSpring	S5617-377	Statewide (Part D drug plan)	8,129+	Ends December 31, 2026. Members must choose a new plan.
Aetna Medicare Signature (HMO-POS) Aetna	H3931-153	Clear Creek, Denver, Douglas, Elbert and 8 more	2,981+	Ends December 31, 2026. Members must choose a new plan. 277 of them are in counties where this company has no 2027 plan at all.
AARP Medicare Advantage from UHC CO-0013 (PPO) AARP (UnitedHealthcare)	H2406-104	Eagle, Gilpin, Grand, Lake and 8 more	2,753	Ends December 31, 2026. Members must choose a new plan.
Humana Full Access H5216-333 (PPO) Humana	H5216-333	Adams, Alamosa, Arapahoe, Archuleta and 46 more	2,686+	Ends December 31, 2026. Members must choose a new plan.
Aetna Medicare Signature (HMO-POS) Aetna	H3931-154	Archuleta, Conejos, Crowley, Custer and 13 more	2,345+	Ends December 31, 2026. Members must choose a new plan. 187 of them are in counties where this company has no 2027 plan at all.
HealthSpring Preferred (HMO) Cigna HealthSpring	H0672-024	Adams, Arapahoe, Boulder, Broomfield and 14 more	2,319+	Ends December 31, 2026. Members must choose a new plan.
Aetna Medicare Signature (HMO-POS) Aetna	H4711-008	Adams, Arapahoe, Archuleta, Boulder and 26 more	1,696+	Ends December 31, 2026. Members must choose a new plan. 45 of them are in counties where this company has no 2027 plan at all.
Humana Essentials Plus Giveback H5216-435 (PPO) Humana	H5216-435	Alamosa, Chaffee, Las Animas, Rio Grande	1,692	Leaves these counties for 2027. Members here must choose a new plan.
Found your plan on this list?A licensed agent reads your letter with you and goes over your options. No cost, 8 AM to midnight ET. Call 855-367-1095
Aetna Medicare Signature (PPO) Aetna	H5521-250	Boulder, Clear Creek, Gilpin, Jackson and 3 more	1,535+	Leaves these counties for 2027. Members here must choose a new plan. 391 of them are in counties where this company has no 2027 plan at all.
Select Health Medicare Essential (HMO) Intermountain Health Care	H1994-027	Boulder, Broomfield, Clear Creek, Gilpin and 3 more	1,509+	Leaves these counties for 2027. Members here must choose a new plan.
Aetna Medicare Signature (PPO) Aetna	H5521-207	Archuleta, Conejos, Crowley, Custer and 8 more	1,464	Leaves these counties for 2027. Members here must choose a new plan. 1,190 of them are in counties where this company has no 2027 plan at all.
AARP Medicare Advantage from UHC CO-0017 (PPO) AARP (UnitedHealthcare)	H2406-110	Eagle, Gilpin, Grand, Lake and 8 more	1,333+	Ends December 31, 2026. Members must choose a new plan.
Select Health Medicare + Kroger (HMO) Intermountain Health Care	H1994-030	Adams, Arapahoe, Boulder, Broomfield and 12 more	1,232+	Ends December 31, 2026. Members must choose a new plan.
Select Health Medicare Flex (HMO) Intermountain Health Care	H1994-031	Adams, Arapahoe, Boulder, Broomfield and 14 more	974+	Ends December 31, 2026. Members must choose a new plan.
Aetna Medicare Dual Care (HMO D-SNP) Aetna	H4711-012	Adams, Arapahoe, Archuleta, Boulder and 26 more	943+	Ends December 31, 2026. Members must choose a new plan. 11 of them are in counties where this company has no 2027 plan at all.
Kaiser Permanente Senior Advantage Choice DM (PPO) Kaiser Permanente	H3138-001	Adams, Arapahoe, Boulder, Broomfield and 7 more	844+	Ends December 31, 2026. Members must choose a new plan.
AARP Medicare Advantage Extras from UHC CO-5 (HMO-POS) AARP (UnitedHealthcare)	H0609-048	Clear Creek, Elbert	502	Leaves these counties for 2027. Members here must choose a new plan.
Select Health Medicare + Kroger (HMO) Intermountain Health Care	H1994-034	Delta, Mesa	490	Ends December 31, 2026. Members must choose a new plan.
Found your plan on this list?A licensed agent reads your letter with you and goes over your options. No cost, 8 AM to midnight ET. Call 855-367-1095
AARP Medicare Advantage Essentials from UHC CO-2 (HMO-POS) AARP (UnitedHealthcare)	H0609-012	Clear Creek, Elbert	465	Leaves these counties for 2027. Members here must choose a new plan.
Aetna Medicare Value Care (PPO) Aetna	H5521-443	Archuleta, Clear Creek, Conejos, Crowley and 13 more	377+	Leaves these counties for 2027. Members here must choose a new plan. 304 of them are in counties where this company has no 2027 plan at all.
Kaiser Permanente Senior Advantage Choice South (PPO) Kaiser Permanente	H3138-002	El Paso, Fremont, Pueblo, Teller	371	Ends December 31, 2026. Members must choose a new plan.
Erickson Advantage Signature (HMO-POS) AARP (UnitedHealthcare)	H5652-001	Douglas	284	Ends December 31, 2026. Members must choose a new plan.
HealthSpring TotalCare (HMO D-SNP) Cigna HealthSpring	H0672-009	Adams, Arapahoe, Boulder, Broomfield and 14 more	206+	Ends December 31, 2026. Members must choose a new plan.
Aetna Medicare Eagle (HMO-POS) Aetna	H4711-010	Adams, Arapahoe, Archuleta, Boulder and 26 more	202+	Ends December 31, 2026. Members must choose a new plan.
Select Health Medicare Active (HMO) Intermountain Health Care	H1994-035	Adams, Arapahoe, Boulder, Broomfield and 14 more	180+	Ends December 31, 2026. Members must choose a new plan.
Aetna Medicare Eagle (PPO) Aetna	H5521-378	Archuleta, Clear Creek, Conejos, Crowley and 12 more	154+	Leaves these counties for 2027. Members here must choose a new plan. 154 of them are in counties where this company has no 2027 plan at all.
AARP Medicare Advantage from UHC CO-0001 (HMO-POS) AARP (UnitedHealthcare)	H0609-007	Clear Creek, Elbert	149	Leaves these counties for 2027. Members here must choose a new plan.
Erickson Advantage Liberty (HMO-POS) AARP (UnitedHealthcare)	H5652-008	Douglas	142	Ends December 31, 2026. Members must choose a new plan.
Found your plan on this list?A licensed agent reads your letter with you and goes over your options. No cost, 8 AM to midnight ET. Call 855-367-1095
HumanaChoice SNP-DE H7617-067 (PPO D-SNP) Humana	H7617-067	Alamosa, Chaffee, Rio Grande	130	Leaves these counties for 2027. Members here must choose a new plan.
Kaiser Permanente Senior Advantage Choice North (PPO) Kaiser Permanente	H3138-003	Larimer, Weld	95	Ends December 31, 2026. Members must choose a new plan.
Erickson Advantage Freedom (HMO-POS) AARP (UnitedHealthcare)	H5652-006	Douglas	94	Ends December 31, 2026. Members must choose a new plan.
Aetna Medicare Dual Extra Care (HMO D-SNP) Aetna	H3931-175	Archuleta, Clear Creek, Conejos, Crowley and 15 more	90+	Leaves these counties for 2027. Members here must choose a new plan. 47 of them are in counties where this company has no 2027 plan at all.
UHC Complete Care CO-19 (HMO-POS C-SNP) AARP (UnitedHealthcare)	H0609-072	Clear Creek, Elbert	79	Leaves these counties for 2027. Members here must choose a new plan.
AARP Medicare Advantage Patriot No Rx CO-MA01 (HMO-POS) AARP (UnitedHealthcare)	H0609-018	Clear Creek, Elbert	78	Leaves these counties for 2027. Members here must choose a new plan.
Erickson Advantage Liberty no Rx (HMO-POS) AARP (UnitedHealthcare)	H5652-002	Douglas	72	Ends December 31, 2026. Members must choose a new plan.
Aetna Medicare Full Dual Care (HMO D-SNP) Aetna	H3931-196	Archuleta, Clear Creek, Conejos, Crowley and 15 more	70+	Leaves these counties for 2027. Members here must choose a new plan. 42 of them are in counties where this company has no 2027 plan at all.
Humana Value Choice H5216-078 (PPO) Humana	H5216-078	Alamosa, Las Animas	68+	Leaves these counties for 2027. Members here must choose a new plan.
AARP Medicare Advantage from UHC CO-21P (HMO-POS) AARP (UnitedHealthcare)	H0609-079	Clear Creek, Elbert	60	Leaves these counties for 2027. Members here must choose a new plan.
Found your plan on this list?A licensed agent reads your letter with you and goes over your options. No cost, 8 AM to midnight ET. Call 855-367-1095
HealthSpring TotalCare Plus (HMO D-SNP) Cigna HealthSpring	H0672-010	Adams, Arapahoe, Boulder, Broomfield and 14 more	28+	Ends December 31, 2026. Members must choose a new plan.
Erickson Advantage Champion (HMO-POS C-SNP) AARP (UnitedHealthcare)	H5652-004	Douglas	20	Ends December 31, 2026. Members must choose a new plan.
AARP Medicare Advantage from UHC CO-0011 (HMO-POS) AARP (UnitedHealthcare)	H6706-001	Clear Creek	10 or fewer	Leaves these counties for 2027. Members here must choose a new plan.
Clear Spring Health Balance+ Diabetes & Heart (HMO C-SNP) Clear Spring Health (Group 1001)	H6379-002	Adams, Arapahoe, Boulder, Broomfield and 20 more	0	Ends December 31, 2026. Members must choose a new plan.
Clear Spring Health BrightPath Advantage (HMO) Clear Spring Health (Group 1001)	H6379-001	Adams, Arapahoe, Boulder, Broomfield and 20 more	0	Ends December 31, 2026. Members must choose a new plan.
Erickson Advantage Guardian (HMO-POS I-SNP) AARP (UnitedHealthcare)	H5652-003	Douglas	10 or fewer	Ends December 31, 2026. Members must choose a new plan.
HealthSpring Assurance Rx (PDP) Cigna HealthSpring	S5617-133	Statewide (Part D drug plan)	4,053+	Continues for 2027 as HealthSpring Assurance Rx (PDP) (S5715-044). Members keep their plan.
HumanaChoice H5216-437 (PPO) Humana	H5216-437	Adams, Alamosa, Arapahoe, Archuleta and 42 more	1,037+	Merged into Humana USAA Honor Giveback (PPO) (H5216-436) for 2027. Members are moved automatically and can still switch.
Humana Value Plus H5216-195 (PPO) Humana	H5216-195	Adams, Alamosa, Arapahoe, Archuleta and 47 more	910+	Merged into HumanaChoice H5216-223 (PPO) (H5216-223) for 2027. Members are moved automatically and can still switch.
HumanaChoice H5216-223 (PPO) Humana	H5216-223	Alamosa	274	Merged into HumanaChoice H5216-223 (PPO) (H5216-223) for 2027. Members are moved automatically and can still switch.
Found your plan on this list?A licensed agent reads your letter with you and goes over your options. No cost, 8 AM to midnight ET. Call 855-367-1095
Humana USAA Honor Giveback (PPO) Humana	H5216-436	Alamosa, Chaffee, Las Animas, Rio Grande	252	Merged into Humana USAA Honor Giveback (PPO) (H5216-436) for 2027. Members are moved automatically and can still switch.
HumanaChoice SNP-DE H5216-267 (PPO D-SNP) Humana	H5216-267	Alamosa, Chaffee, Rio Grande	162	Merged into HumanaChoice SNP-DE H5216-267 (PPO D-SNP) (H5216-267) for 2027. Members are moved automatically and can still switch.
HumanaChoice SNP-DE H5216-468 (PPO D-SNP) Humana	H5216-468	Adams, Alamosa, Arapahoe, Bent and 41 more	123+	Merged into HumanaChoice SNP-DE H5216-267 (PPO D-SNP) (H5216-267) for 2027. Members are moved automatically and can still switch.

Full detail by company and county: Colorado Medicare plan changes for 2027. CMS hides county counts of 10 or fewer, so totals are at least the number shown.

Medicare Advantage plans available in Colorado for 2027

Checked 2026-10-17 against CMS's 2027 plan benefit and county files.

104 Medicare Advantage plans are offered in Colorado for 2027 by 11 companies. 81 are HMO plans and 23 are PPO plans. 39 are special needs plans, which only people who qualify (for example, people who also have Medicaid or a chronic condition) can join, so 65 are open to most people with Medicare. Depending on the county, you can choose from between 2 and 65 plans.

Compared with 2026: 111 plans were offered in Colorado in 2026, so the count is down by 7 for 2027. Listed in CMS's 2026 files but not its 2027 files: Cigna HealthCare (4 plans in 2026), Clear Spring Health (2 plans in 2026). A company can also appear to leave because it changed its name, so check your own plan's letter.

Plans by company, 2026 and 2027

Company	Plans in 2026	Plans in 2027	Change
Devoted Health	14	22	+8
UnitedHealthcare	28	22	−6
Humana	19	17	−2
Aetna Medicare	11	11	no change
Kaiser Permanente	14	11	−3
HealthSpring	4	7	+3
Select Health	7	5	−2
Anthem Blue Cross and Blue Shield	2	3	+1
Perennial Advantage	3	3	no change
Elevate Medicare Advantage	2	2	no change
Longevity Health Plan	1	1	no change
Cigna HealthCare	4	0	not listed
Clear Spring Health	2	0	not listed

Plans offered by county, 2026 and 2027

County	Plans in 2026	Plans in 2027	Change
Adams	71	64	−7
Alamosa	14	4	−10
Arapahoe	68	61	−7
Archuleta	18	6	−12
Baca	2	2	no change
Bent	22	20	−2
Boulder	69	60	−9
Broomfield	67	58	−9
Chaffee	20	15	−5
Cheyenne	4	4	no change
Clear Creek	58	34	−24
Conejos	29	22	−7
Costilla	23	21	−2
Crowley	34	21	−13
Custer	33	20	−13
Delta	31	17	−14
Denver	71	64	−7
Dolores	11	7	−4
Douglas	70	59	−11
Eagle	4	2	−2
El Paso	56	49	−7
Elbert	53	31	−22
Fremont	52	45	−7
Garfield	2	2	no change
Gilpin	48	29	−19
Grand	35	23	−12
Gunnison	17	19	+2
Hinsdale	17	19	+2
Huerfano	33	20	−13
Jackson	31	18	−13
Jefferson	72	65	−7
Kiowa	4	15	+11
Kit Carson	4	4	no change
La Plata	20	15	−5
Lake	14	19	+5
Larimer	57	46	−11
Las Animas	25	15	−10
Lincoln	31	20	−11
Logan	14	9	−5
Mesa	33	24	−9
Mineral	17	19	+2
Moffat	2	2	no change
Montezuma	9	7	−2
Montrose	19	12	−7
Morgan	28	11	−17
Otero	12	9	−3
Ouray	17	19	+2
Park	46	29	−17
Phillips	6	4	−2
Pitkin	8	14	+6
Prowers	4	4	no change
Pueblo	57	46	−11
Rio Blanco	11	7	−4
Rio Grande	9	2	−7
Routt	4	4	no change
Saguache	26	18	−8
San Juan	17	19	+2
San Miguel	11	7	−4
Sedgwick	4	4	no change
Summit	12	18	+6
Teller	56	39	−17
Washington	34	20	−14
Weld	60	47	−13
Yuma	6	4	−2

Counts include special needs plans. A plan can be offered in only part of a state, so the plans you can choose depend on your county. Which plans keep your doctors and cover your medicines is not in the CMS files; a licensed agent checks that for you.

Ready to enroll in a Colorado plan?

Call 855-367-1095 to enroll

No cost. No obligation. Not the government. Speak with a licensed insurance agent (TTY 711).

Will a 2027 plan keep your doctors and cover your prescriptions?

The public plan sites can't tell you that without a lot of clicking, and some 2027 plans aren't on them until October 15. Give us your doctors and your prescriptions and a licensed agent checks every 2027 plan in your county against your list, then calls you with the two or three that fit. No cost, no obligation.

Got a letter saying your Medicare plan is leaving or won't renew?

A non-renewal letter means your specific plan won't continue in your county after December 31, 2026. It doesn't mean you lose Medicare, and it usually doesn't mean your insurance company is leaving Medicare altogether. You can choose a new Medicare Advantage plan, or move to Original Medicare with a Medigap plan and a Part D drug plan.

Medicare Advantage in Colorado today

At least 464,189 Colorado residents are in an individual Medicare Advantage plan (103 plans from 12 companies across 64 counties in 2026).
Largest carriers by members: UnitedHealthcare (197,689), Humana (111,572), Kaiser Permanente (87,667), Aetna (27,983), Devoted Health (20,650), Select Health (7,242).
Last year, 35 Colorado Medicare Advantage plans ended or dropped counties for 2026, affecting about 57,350 members, most from UnitedHealthcare, Cigna Healthcare, Aetna.

My Medicare Advantage plan is ending. What are my deadlines?

Your current plan keeps working through December 31, 2026. Doctors, prescriptions and benefits work as usual until then.
Open Enrollment, October 15, 2026 to December 7, 2026: pick a new plan now and it starts January 1, 2027, with no gap.
Your extra window, December 8, 2026 to February 28, 2027: because your plan is being discontinued, you get a Special Enrollment Period on top of Open Enrollment. An enrollment request received December 8-31 is effective January 1; received in January, effective February 1; received in February, effective March 1.
Medigap guaranteed issue: apply as early as November 1, 2026, and no later than March 4, 2027 (63 days after your coverage ends).

What happens if I do nothing when my plan is cancelled?

You don't lose Medicare. If you don't choose a new plan, you're moved to Original Medicare (Parts A and B) on January 1, 2027. Original Medicare doesn't include prescription drug coverage, so you'd need to join a separate Part D plan. Going 63 days or more without creditable drug coverage can mean a permanent late-enrollment penalty.

Can I switch to a Medicare Supplement (Medigap) plan without health questions?

Usually yes. When a Medicare Advantage plan leaves your area or stops offering coverage, federal law gives you a guaranteed issue right: a Medigap company must sell you Plan A, B, D or G (or C or F if you were eligible for Medicare before January 1, 2020), can't charge more for past or present health problems, and can't refuse you, as long as you switch to Original Medicare. Some states add more rights than this. Keep your non-renewal letter; it can serve as proof.

How Medigap guaranteed issue works when your plan ends

Losing your Advantage plan this year? Moving to Medigap | Medigap or another Advantage plan? | Moving to Medigap, step by step

What to check before choosing a replacement plan

Are your doctors, specialists and hospitals in the new plan's network?
Are your prescriptions on its drug list, and is your pharmacy covered?
Premium, deductible, copays and maximum out-of-pocket
HMO or PPO, and any extra benefits (dental, vision, hearing) that matter to you
Medicare Advantage vs. Original Medicare with Medigap and a Part D plan

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Questions about Colorado Medicare plans ending

Which Medicare Advantage plans are ending in Colorado for 2027?

The list on this page comes straight from CMS's 2027 plan files: every plan that won't renew, or won't be offered in a county, in Colorado. It covers several carriers.

Is my Medicare Advantage plan being cancelled in Colorado?

If your plan won't continue, you'll get a non-renewal letter by October 2, 2026. Your Annual Notice of Change (ANOC) lists what's changing if your plan does continue. Your plan stays in force through December 31, 2026 either way.

How many people in Colorado lost their Medicare Advantage plan last year?

For 2026, CMS's files show 35 Medicare Advantage plans ended or dropped counties in Colorado, affecting about 57,350 members across 62 counties.

What happens if I don't pick a new plan after my Medicare Advantage plan ends?

You don't lose Medicare. If you don't choose anything, you're moved to Original Medicare (Parts A and B) on January 1, 2027. Original Medicare doesn't include drug coverage, so you'd need to join a separate Part D plan, and going 63 days or more without creditable drug coverage can mean a late-enrollment penalty.

How long do I have to switch after my Medicare Advantage plan is discontinued?

You can switch during Open Enrollment, October 15, 2026 to December 7, 2026, for coverage starting January 1. Because your plan is ending, you also get a Special Enrollment Period from December 8, 2026 through February 28, 2027. An enrollment request received December 8-31 is effective January 1; received in January, effective February 1; received in February, effective March 1. Choosing by December 7, 2026 avoids any gap.

Can I get a Medicare Supplement (Medigap) plan without health questions if my plan is ending?

Usually yes. When a Medicare Advantage plan leaves your area or stops offering coverage, you have a guaranteed issue right to buy Medigap Plan A, B, D or G (and C or F if you were eligible for Medicare before January 1, 2020) without medical underwriting, as long as you move to Original Medicare. You can apply as early as 60 days before your coverage ends and no later than 63 days after (March 4, 2027). Some states give more rights than this.

Why did I get a letter saying my Medicare plan won't renew?

Plans that won't continue next year must mail members a non-renewal notice by October 2, 2026. It means your current plan ends December 31, 2026, not that you lose Medicare. Keep the letter: it shows which plan is ending and helps prove your enrollment rights.

Will my doctors still be covered on a new plan in Colorado?

It depends on the plan you choose. Before switching, check that your doctors, specialists and hospitals are in the new plan's network, your prescriptions are on its drug list, and your pharmacy is covered. With Original Medicare plus Medigap, you can see any provider that accepts Medicare.

Which Medicare Advantage plans are available in Colorado for 2027?

CMS's 2027 files list 104 Medicare Advantage plans offered in Colorado by 11 companies: Devoted Health (22 plans), UnitedHealthcare (22 plans), Humana (17 plans), Aetna Medicare (11 plans), Kaiser Permanente (11 plans), and others. 39 of them are special needs plans, which only people who qualify can join. Which plans you can actually choose depends on your county.

I just found out my plan is ending. Do I need to decide right away?

No. Your plan works through December 31, 2026. You can choose a new plan from October 15 to December 7, and because your plan is ending you also get a Special Enrollment Period from December 8 through February 28, 2027. Deciding earlier just means your new plan is settled before January 1.

Will I get pressured into a sales call if I ask for help?

No. A licensed agent looks at the plans available where you live in Colorado, explains what changes for you, and you decide. There is no cost to you and no obligation to enroll in anything. Calls are recorded, as Medicare requires.

How do I know my plan is on this list?

Type your plan name or the plan ID from your member card into the box above the table. The list comes from CMS's own 2026 and 2027 plan files. Your plan's written notice is the final word; if the two disagree, trust the letter and have a licensed agent check it with you.

Is your Colorado Medicare plan ending?

Call to check your plan and compare what's available where you live, with licensed Medicare help.

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Sources

Last updated 2026-10-06. Plan counts come from CMS files; CMS doesn't publish county counts of 10 or fewer members, so totals are at least the number shown.