Medicare Advantage Open Enrollment: Medicare Supplement guides by city
3 guides across 3 states, each written for its own area, on the Medicare Advantage Open Enrollment Period and what changes you can make.
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Click to call 855-729-3240Every guide below is a local Medicare Supplement article on Medicare Advantage Open Enrollment. The program rules are the same everywhere; what differs is the plan landscape in each county, which is why each guide is written for one place. Pick your state, then your city.
Medicare Advantage Open Enrollment: guides by state
Maryland
- Medicare Advantage Open Enrollment in Columbia: Plan Changes AllowedColumbia · 2026-07-14
Oklahoma
- Medicare Advantage Switch Window Opens Jan. 1 in OKCOklahoma City · 2026-07-11
Wyoming
- Casper Medicare Advantage Switch Window Runs Through March 31Casper · 2026-07-11
More Medicare Supplement topics
- CMS — Medicare enrollment periods (medicare.gov)
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