Is my Medicare plan ending in Gaithersburg, MD?
Medicare plans are set by county. Gaithersburg is in Montgomery County, so the plans listed as leaving Montgomery County for 2027 apply to Gaithersburg residents.
Quick answer for Gaithersburg
16 Medicare plans are from 7 companies listed in Montgomery County for 2026 but not for 2027, covering at least 4,121 people enrolled today. If you live in Gaithersburg 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 Montgomery County
| Company | Plans leaving | People enrolled (at least) |
|---|---|---|
| Aetna (CVS Health) | 2 | 2,296 |
| Humana | 3 | 957 |
| Johns Hopkins Healthcare | 1 | 553 |
| UnitedHealthcare | 6 | 283 |
| SNP Holdings | 1 | 32 |
| Cigna HealthSpring (HCSC) | 2 | not listed |
| LifeBridge Health | 1 | not listed |
Plans going away in Montgomery County
| Plan going away | Company | People enrolled (at least) |
|---|---|---|
| Aetna Medicare Elite (PPO) H5521-482 | Aetna (CVS Health) | 2,185 |
| Johns Hopkins Advantage MD Primary (PPO) H3890-005 | Johns Hopkins Healthcare | 553 |
| HumanaChoice SNP-DE H5216-459 (PPO D-SNP) H5216-459 | Humana | 479 |
| HumanaChoice SNP-DE H5216-377 (PPO D-SNP) H5216-377 | Humana | 408 |
| Erickson Advantage Signature (HMO-POS) H5652-001 | UnitedHealthcare | 183 |
| Aetna Medicare Eagle Giveback (PPO) H5521-480 | Aetna (CVS Health) | 111 |
| Humana USAA Honor Giveback (PPO) H5216-386 | Humana | 70 |
| Erickson Advantage Liberty (HMO-POS) H5652-008 | UnitedHealthcare | 42 |
| Erickson Advantage Freedom (HMO-POS) H5652-006 | UnitedHealthcare | 38 |
| CommuniCare Advantage ISNP (HMO I-SNP) H3727-002 | SNP Holdings | 32 |
| Erickson Advantage Liberty no Rx (HMO-POS) H5652-002 | UnitedHealthcare | 20 |
| Alterwood Advantage Choice Plus (HMO) H9306-002 | LifeBridge Health | 10 or fewer |
| Erickson Advantage Champion (HMO-POS C-SNP) H5652-004 | UnitedHealthcare | 10 or fewer |
| Erickson Advantage Guardian (HMO-POS I-SNP) H5652-003 | UnitedHealthcare | 10 or fewer |
What to do if you live in Gaithersburg
- 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 Gaithersburg are covered by any plan you consider.
- Free, unbiased help: Maryland SHIP (State Health Insurance Program) at (800) 243-3425, or Medicare.gov, 1-800-MEDICARE.
Is my Medicare plan ending in Gaithersburg?
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 Gaithersburg?
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.
Gaithersburg 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 Gaithersburg: Gaithersburg health insurance · Montgomery County · All Maryland plans ending for 2027 · Gaithersburg population 69,563 (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.