Plan year 2027 · Marin County, CA
Alignment Health Plan plans ending in Marin County for 2027
Alignment Health Plan is ending one plan here for 2027 but still offers 10 other plans in Marin County.
Step 1 · Check your plan
Is your plan leaving Marin County?
Tap your plan to see its 2027 status in Marin County, or type its name.
Is your plan one of these?
2 carriers are changing coverage in Marin County for 2027: 2 service area reductions. Roughly 54 members in Marin County are affected. 21 Medicare Advantage plans were offered here in 2026; 21 are offered for 2027. If you're enrolled in one of the plans below, you'll need to pick a new plan for January 1, 2027.
Carriers with changes in Marin County
- Alignment Health Plan1 service area reduction54 membersAlignment Health Honor+ Plan (HMO)
- Align Senior Care1 service area reductionAdvantage Care (HMO)
Every affected plan in Marin County
Sorted by carrier. Effective dates are for the 2027 plan year.
| Carrier | Plan | What's changing | Effective | What members must do |
|---|---|---|---|---|
| Align Senior Care | Advantage Care (HMO) H3274-005 · HMO | Service Area Reduction | January 1, 2027 | Confirm whether your county is still covered. |
| Alignment Health Plan | Alignment Health Honor+ Plan (HMO) H3815-052 · HMO | Service Area Reduction | January 1, 2027 | Confirm whether your county is still covered. |
Plans available in Marin County for 2027
Losing a plan does not mean losing options. 21 Medicare Advantage plans from 5 carriers are offered in Marin County, California for 2027. 12 have a $0 monthly premium, and 2 are D-SNP plans for people with both Medicare and Medicaid.
| Plan | Type | Monthly premium |
|---|---|---|
| Alignment Health BreathEasy Plus 041 (HMO C-SNP)Alignment Health Plan$0/moHMO C-SNP | HMO C-SNP | $0 |
| Alignment Health Heart & Diabetes 010 (HMO C-SNP)Alignment Health Plan$0/moHMO C-SNP | HMO C-SNP | $0 |
| Alignment Health Heart & Diabetes 048 (HMO C-SNP)Alignment Health Plan$0/moHMO C-SNP | HMO C-SNP | $0 |
| Alignment Health My Choice 050 (HMO)Alignment Health Plan$0/moHMO | HMO | $0 |
| Alignment Health Platinum + Instacart 016 (HMO-POS)Alignment Health Plan$0/moHMO-POS | HMO-POS | $0 |
Showing the 5 lowest-premium of 21 available plans. 2027 star ratings are published by CMS in early October 2026. Premiums shown are the consolidated Part C + D monthly premium.
Dates that matter
Your ANOC letter arrives
Carriers must mail the Annual Notice of Change — and non-renewal notices — before enrollment opens.
Annual Enrollment Period
Pick your 2027 plan. Coverage you choose starts January 1, 2027.
How it works →Medicare Advantage Open Enrollment
Already in a Medicare Advantage plan on January 1? You can make one change: switch plans or go back to Original Medicare.
How it works →
Step 2 · Tell us where to send your options
Your 2027 options in Marin County
Step 3 · Choose your path
You're all set.
Both options are free. Either way, your information stays with our office.
Where else these carriers are leaving in California
Alignment Health Plan
Align Senior Care
ZIP codes in Marin County
These changes apply to Medicare Advantage members living in Marin County, including these ZIP codes:
94901, 94903, 94904, 94920, 94924, 94925, 94929, 94930, 94933, 94937, 94938, 94939, 94940, 94941, 94945, 94946, 94947, 94949, 94950, 94952, 94956, 94957, 94960, 94963, 94964, 94965, 94970, 94971, 94973