Is my Medicare plan ending in Naperville, IL?
Medicare plans are set by county. Naperville is in DuPage County, so the plans listed as leaving DuPage County for 2027 apply to Naperville residents.
Quick answer for Naperville
19 Medicare plans are from 7 companies listed in DuPage County for 2026 but not for 2027, covering at least 4,853 people enrolled today. If you live in Naperville 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 DuPage County
| Company | Plans leaving | People enrolled (at least) |
|---|---|---|
| Blue Cross (Health Care Service Corp) | 5 | 2,111 |
| Aetna (CVS Health) | 2 | 1,533 |
| Humana | 3 | 841 |
| Molina Healthcare | 2 | 240 |
| Wellcare / Ambetter (Centene) | 2 | 128 |
| Group 1001 | 3 | not listed |
| Cigna HealthSpring (HCSC) | 2 | not listed |
Plans going away in DuPage County
| Plan going away | Company | People enrolled (at least) |
|---|---|---|
| Aetna Medicare Duly Prime (PPO) H5521-314 | Aetna (CVS Health) | 1,518 |
| Blue Cross Medicare Advantage Choice Plus (PPO) H8634-003 | Blue Cross (Health Care Service Corp) | 1,036 |
| Humana Full Access H5216-412 (PPO) H5216-412 | Humana | 469 |
| Blue Cross Medicare Advantage Choice Premier (PPO) H8634-004 | Blue Cross (Health Care Service Corp) | 459 |
| Blue Cross Medicare Advantage Basic Plus (HMO-POS) H3822-007 | Blue Cross (Health Care Service Corp) | 366 |
| Humana Full Access H7617-009 (PPO) H7617-009 | Humana | 317 |
| Molina Medicare Complete Care Plus (HMO D-SNP) H3093-005 | Molina Healthcare | 240 |
| Blue Cross Medicare Advantage Secure (HMO) H8547-001 | Blue Cross (Health Care Service Corp) | 128 |
| Wellcare Simple Essential (HMO) H5779-002 | Wellcare / Ambetter (Centene) | 128 |
| Blue Cross Medicare Advantage Premier Plus (HMO-POS) H3822-008 | Blue Cross (Health Care Service Corp) | 122 |
| Humana USAA Honor Giveback (PPO) H5216-258 | Humana | 55 |
| Aetna Medicare Prime Chronic Total (HMO C-SNP) H1206-009 | Aetna (CVS Health) | 15 |
| Clear Spring Health Balance+ Diabetes & Heart (HMO C-SNP) H5454-006 | Group 1001 | not listed |
| Clear Spring Health BrightPath Advantage (HMO) H3071-002 | Group 1001 | not listed |
| Clear Spring Health BrightPath Advantage (HMO) H5454-002 | Group 1001 | not listed |
See all 17 plans leaving DuPage County →
What to do if you live in Naperville
- Read the notice from your plan. It names the plan that is ending and your choices.
- Compare 2027 options before December 7: another Medicare Advantage plan, or Original Medicare with a Medicare Supplement and a Part D drug plan.
- Check that your doctors, hospitals and pharmacy near Naperville are covered by any plan you consider.
- Free, unbiased help: Illinois Senior Health Insurance Program (SHIP) at 800-252-8966, or Medicare.gov, 1-800-MEDICARE.
Is my Medicare plan ending in Naperville?
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 Naperville?
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.
Naperville 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 timeMore for Naperville: Naperville health insurance · DuPage County · All Illinois plans ending for 2027 · Naperville population 150,245 (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.