Is my Medicare plan ending in Watertown, SD?
Medicare plans are set by county. Watertown is in Codington County, so the plans listed as leaving Codington County for 2027 apply to Watertown residents.
Quick answer for Watertown
6 Medicare plans are from 3 companies listed in Codington County for 2026 but not for 2027, covering at least 2,723 people enrolled today. If you live in Watertown 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 Codington County
| Company | Plans leaving | People enrolled (at least) |
|---|---|---|
| Medica Holding Company | 3 | 2,723 |
| Cigna HealthSpring (HCSC) | 2 | not listed |
| Aetna (CVS Health) | 1 | not listed |
Plans going away in Codington County
| Plan going away | Company | People enrolled (at least) |
|---|---|---|
| Medica Advantage Select (PPO) H8889-018 | Medica Holding Company | 1,125 |
| Medica Advantage Value (PPO) H8889-017 | Medica Holding Company | 1,109 |
| Medica Advantage Preferred (PPO) H8889-013 | Medica Holding Company | 489 |
What to do if you live in Watertown
- 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 Watertown are covered by any plan you consider.
- Free, unbiased help: South Dakota SHIINE (Senior Health Information and Insurance Education) at (800) 536-8197, or Medicare.gov, 1-800-MEDICARE.
Is my Medicare plan ending in Watertown?
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 Watertown?
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.
Watertown 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 Watertown: Watertown health insurance · Codington County · All South Dakota plans ending for 2027 · Watertown population 23,230 (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.