Is my Medicare plan ending in Denver, CO?

Medicare plans are set by county. Denver is in Denver County, so the plans listed as leaving Denver County for 2027 apply to Denver residents.

Quick answer for Denver

21 Medicare plans are from 7 companies listed in Denver County for 2026 but not for 2027, covering at least 3,282 people enrolled today. If you live in Denver and have one of these plans, you can choose a new plan from October 15 to December 7, and coverage starts January 1.

Companies with plans leaving Denver County

CompanyPlans leavingPeople enrolled (at least)
UnitedHealthcare11,757
Aetna (CVS Health)5901
Intermountain Health Care3184
Kaiser Permanente1149
Humana4148
Cigna HealthSpring (HCSC)5143
Group 10012not listed

Plans going away in Denver County

Plan going awayCompanyPeople enrolled (at least)
UHC Dual Complete CO-S4 (HMO-POS D-SNP)
H0624-006
UnitedHealthcare1,757
Aetna Medicare Signature (HMO-POS)
H3931-153
Aetna (CVS Health)542
Aetna Medicare Dual Care (HMO D-SNP)
H4711-012
Aetna (CVS Health)244
Kaiser Permanente Senior Advantage Choice DM (PPO)
H3138-001
Kaiser Permanente149
Select Health Medicare + Kroger (HMO)
H1994-030
Intermountain Health Care125
HealthSpring Preferred (HMO)
H0672-024
Cigna HealthSpring (HCSC)114
Aetna Medicare Signature (HMO-POS)
H4711-008
Aetna (CVS Health)93
Humana Full Access H5216-333 (PPO)
H5216-333
Humana54
Select Health Medicare Flex (HMO)
H1994-031
Intermountain Health Care45
HumanaChoice H5216-437 (PPO)
H5216-437
Humana35
Humana Value Plus H5216-195 (PPO)
H5216-195
Humana34
HumanaChoice SNP-DE H5216-468 (PPO D-SNP)
H5216-468
Humana25
Aetna Medicare Eagle (HMO-POS)
H4711-010
Aetna (CVS Health)22
HealthSpring TotalCare (HMO D-SNP)
H0672-009
Cigna HealthSpring (HCSC)15
HealthSpring TotalCare Plus (HMO D-SNP)
H0672-010
Cigna HealthSpring (HCSC)14

See all 18 plans leaving Denver County →

What to do if you live in Denver

  1. Read the notice from your plan. It names the plan that is ending and your choices.
  2. Compare 2027 options before December 7: another Medicare Advantage plan, or Original Medicare with a Medicare Supplement and a Part D drug plan.
  3. Check that your doctors, hospitals and pharmacy near Denver are covered by any plan you consider.
  4. Free, unbiased help: Colorado State Health Insurance Assistance Program (SHIP) at 303-894-7552, or Medicare.gov, 1-800-MEDICARE.
Is my Medicare plan ending in Denver?

Medicare plans are offered by service area, usually county by county. Check the list above for your plan name or plan ID. A plan can be listed because it was renumbered or replaced, so your plan notice is the final word.

What happens if I do nothing in Denver?

If your plan is not renewing and you do not choose a new one, you may be moved to Original Medicare, which does not include drug coverage. Compare options before December 7 and confirm your dates with Medicare.gov or your plan notice.

Do I have to enroll if I call?

No. Calling is a conversation about your options, and you are never required to enroll.

Denver residents: call 855-367-1095

Call Lander LLC to go over your options. There is no cost to call or to speak with an agent, and you are never required to enroll in anything.

Call 855-367-1095 Open 8 AM-10 PM Eastern time

More for Denver: Denver health insurance · Denver County · All Colorado plans ending for 2027 · Denver population 716,577 (Census Bureau).

Source: CMS Medicare Advantage and Part D landscape files for 2026 and 2027, and CMS enrollment data from September 2026.

Reviewed by Richard Lander, licensed insurance agent (NPN 21255551), Lander LLC. Last updated October 3, 2026. This page is educational and is not a quote, an offer of coverage, or legal or tax advice.

Do it yourself

Prefer to look and enroll yourself?

Compare plans and enroll on your own time. Or call 855-367-1095 when you want a licensed agent’s help (Open 8 AM-10 PM Eastern time).

Medicare

Medicare Open Enrollment starts October 15th

Take a look at Colorado plans, or go ahead and enroll yourself. Call if you need any help with your application.

Under 65 · ACA

ACA Open Enrollment opens November 1st

Open enrollment starts November 1st. Not sure which Colorado plan is right for you? Call and we'll help you find it.

Questions along the way? Call 855-367-1095 for assistance (Open 8 AM-10 PM Eastern time).