Moving with Medicare: What Changes When You Change Addresses

A move is one of life's bigger disruptions, and Medicare is easy to forget in the middle of it. But depending on where you're moving, your current plan may not follow you — and Medicare gives you a specific window to make changes when that happens.

Why moving can affect your coverage

Medicare Advantage and Part D plans are built around specific service areas — usually a set of counties. Original Medicare (Parts A & B) isn't tied to a service area the same way, so it generally continues to work no matter where you move within the U.S. But a Medicare Advantage or Part D plan may not be available at your new address at all, or the same plan might exist in a different form with a different network.

The Special Enrollment Period (SEP) for moving

Moving triggers its own Special Enrollment Period, separate from the Annual Enrollment Period. Generally:

• If you move outside your current plan's service area, you get an SEP to switch plans that typically starts the month before your move and continues for a couple of months after.
• If you move within your plan's service area but new plan options become available at your new address, you may also get an opportunity to switch.
• Telling your plan and Medicare about the move in advance (when possible) generally gives you the smoothest transition and the clearest SEP timeline.

What to check after a move

• Is your current plan even available at your new address? If not, you'll need to select a new plan during your SEP.
• Are your doctors and pharmacy in-network at the new location? Even if your plan is technically available, the local network may look completely different.
• Update your address with Social Security and your plan. This affects everything from ID cards to renewal notices.
• If you move to a different state, Medigap rules can vary by state, so it's worth reviewing whether your current Medigap policy transfers cleanly.

Moving within Fort Bend County or the Houston area

Local moves within the same general area — say, from Sugar Land to Richmond — are less likely to disrupt your plan, since many Medicare Advantage plans cover the broader Houston metro. But it's still worth double-checking, since plan service areas don't always align neatly with how people think about "the area."