Plan year 2027 · Sonoma County, CA
Medicare Advantage plans leaving Sonoma County, California in 2027
2 carriers are pulling plans from Sonoma County for 2027: Anthem Blue Cross and Alignment Health Plan.
Step 1 · Check your plan
Is your plan leaving Sonoma County?
Tap your plan to see its 2027 status in Sonoma County, or type its name.
Is your plan one of these?
2 carriers are changing coverage in Sonoma County for 2027: 2 plan terminations. Roughly 1,496 members in Sonoma County are affected. 9 Medicare Advantage plans were offered here in 2026; 13 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 Sonoma County
Every affected plan in Sonoma County
Sorted by carrier. Effective dates are for the 2027 plan year.
| Carrier | Plan | What's changing | Effective | What members must do |
|---|---|---|---|---|
| Alignment Health Plan | Alignment Health My Choice (PPO) H4961-003 · PPO | Termination | January 1, 2027 | Choose a new plan before the deadline. |
| Anthem Blue Cross Life and Health Insurance Company | Anthem Dual Advantage 2 (PPO D-SNP) H4704-002 · PPO D-SNP | Termination | January 1, 2027 | Choose a new plan before the deadline. |
Plans available in Sonoma County for 2027
Losing a plan does not mean losing options. 13 Medicare Advantage plans from 5 carriers are offered in Sonoma County, California for 2027. 6 have a $0 monthly premium, and 1 is a D-SNP plan for people with both Medicare and Medicaid.
| Plan | Type | Monthly premium |
|---|---|---|
| Anthem Chronic Care Advantage (PPO C-SNP)Anthem Blue Cross and Blue Shield$0/moPPO C-SNP | PPO C-SNP | $0 |
| Imperial Courage Plan (HMO)Imperial Health Plan of California, Inc.$0/moHMO | HMO | $0 |
| Imperial Dynamic Plan (HMO)Imperial Health Plan of California, Inc.$0/moHMO | HMO | $0 |
| Imperial Senior Value (HMO C-SNP)Imperial Health Plan of California, Inc.$0/moHMO C-SNP | HMO C-SNP | $0 |
| Kaiser Permanente Dual Complete North P25 (HMO D-SNP)Kaiser Permanente$0/moHMO D-SNP | HMO D-SNP | $0 |
Showing the 5 lowest-premium of 13 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 →Special Enrollment Period
Members of terminated plans get extra time to choose a new Medicare Advantage or Part D plan.
How it works →Guaranteed-issue Medigap window
Losing your plan gives you the right to buy select Medigap policies with no health questions.
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 Sonoma 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
Anthem Blue Cross
ZIP codes in Sonoma County
These changes apply to Medicare Advantage members living in Sonoma County, including these ZIP codes:
94515, 94922, 94923, 94928, 94931, 94951, 94954, 94972, 95401, 95403, 95404, 95405, 95407, 95409, 95412, 95419, 95421, 95425, 95430, 95431, 95436, 95439, 95441, 95442, 95444, 95446, 95448, 95450, 95452, 95462, 95465, 95471, 95472, 95476, 95480, 95486, 95492, 95497