Is my Medicare plan ending in Sioux City, IA?
Medicare plans are set by county. Sioux City is in Woodbury County, so the plans listed as leaving Woodbury County for 2027 apply to Sioux City residents.
Quick answer for Sioux City
16 Medicare plans are from 7 companies listed in Woodbury County for 2026 but not for 2027, covering at least 2,391 people enrolled today. If you live in Sioux City 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 Woodbury County
| Company | Plans leaving | People enrolled (at least) |
|---|---|---|
| Blue Cross Blue Shield of Michigan Mutual Ins. | 2 | 1,497 |
| Humana | 4 | 529 |
| Wellcare / Ambetter (Centene) | 4 | 197 |
| Aetna (CVS Health) | 2 | 94 |
| Anthem (Elevance Health) | 1 | 52 |
| Molina Healthcare | 1 | 22 |
| Cigna HealthSpring (HCSC) | 2 | not listed |
Plans going away in Woodbury County
| Plan going away | Company | People enrolled (at least) |
|---|---|---|
| Blue Medicare Advantage PPO (PPO) H5900-001 | Blue Cross Blue Shield of Michigan Mutual Ins. | 1,497 |
| Humana Gold Plus H0028-053 (HMO) H0028-053 | Humana | 337 |
| Humana Full Access H5216-411 (PPO) H5216-411 | Humana | 192 |
| Aetna Medicare Elite (PPO) H1608-037 | Aetna (CVS Health) | 94 |
| Wellcare Simple (HMO-POS) H1862-005 | Wellcare / Ambetter (Centene) | 89 |
| Wellcare Dual Liberty Sync (HMO-POS D-SNP) H1862-003 | Wellcare / Ambetter (Centene) | 62 |
| Wellpoint Full Dual Advantage (HMO-POS D-SNP) H0907-001 | Anthem (Elevance Health) | 52 |
| Wellcare Dual Reserve (HMO-POS D-SNP) H1862-006 | Wellcare / Ambetter (Centene) | 46 |
| Molina Medicare Complete Care (HMO D-SNP) H1799-005 | Molina Healthcare | 22 |
| Blue Medicare Advantage Valor PPO (PPO) H5900-006 | Blue Cross Blue Shield of Michigan Mutual Ins. | 10 or fewer |
| Humana Together in Health (PPO I-SNP) H5216-413 | Humana | 10 or fewer |
| Humana Together in Health Select (PPO I-SNP) H5216-453 | Humana | 10 or fewer |
| Wellcare Dual Access (HMO-POS D-SNP) H1862-004 | Wellcare / Ambetter (Centene) | 10 or fewer |
What to do if you live in Sioux City
- 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 Sioux City are covered by any plan you consider.
- Free, unbiased help: Iowa SHIIP (Senior Health Insurance Information Program) at 800-351-4664, or Medicare.gov, 1-800-MEDICARE.
Is my Medicare plan ending in Sioux City?
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 Sioux City?
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.
Sioux City 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 Sioux City: Sioux City health insurance · Woodbury County · All Iowa plans ending for 2027 · Sioux City population 85,727 (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.