County Plan Watch
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California

Medicare Advantage plans in Alameda County, CA: what changed for 2027

For 2027, Alameda County in California has 14 Medicare Advantage plans that include drug coverage, compared with 20 in 2026, according to the CMS plan landscape files.

Advantage plans with drug coverage14-6 from 2026
Advantage plans without drug coverage2no change
Special Needs Plans16+1 from 2026
$0 premium plans with drug coverage7-6 from 2026
Median out-of-pocket limit$3,9002026: $3,750
Plans rated 4 stars or more7-5 from 2026

Companies no longer offering Advantage plans here in 2027

If you are in one of their plans, you should have received a notice. You can choose a new plan during Open Enrollment, and special enrollment rules can apply when a plan leaves your area.

9 Advantage plan IDs (not counting Special Needs or Cost plans) listed here for 2026 are not in the 2027 file and 3 plan IDs are new. Some of these are the same plan renamed or merged, so check the Annual Notice of Change from your plan.

How many people here are in Medicare Advantage

In October 2026, 148,382 of the 280,970 people eligible for Medicare in Alameda County were enrolled in a Medicare Advantage or other Medicare health plan, 52.8%. A year earlier it was 143,278 of 274,160 (52.3%).

CMS counts enrollees in all Medicare health plans, including Advantage, cost and PACE plans, by the county where they live.

Before you choose a plan

Compare plans for your ZIP code, drugs and doctors on the official Medicare Plan Finder, or call 1-800-MEDICARE (1-800-633-4227). Free, unbiased counselling is available from your State Health Insurance Assistance Program at shiphelp.org.

Advantage plans with drug coverage for 2027 (14)

PlanCompanyTypeMonthly premiumIn-network out-of-pocket limitStar rating
Aetna Medicare Signature Extra (HMO)Aetna MedicareHMO$0$3,6003 of 5
Alignment Health My Choice 050 (HMO)Alignment Health PlanHMO$0$3,4993.5 of 5
CCHP Senior Value Program (HMO)CCHP (Chinese Community Health Plan)HMO$0$6,0003 of 5
Central Health Harmony 031 (HMO)Alignment Health PlanHMO$0$3,4003.5 of 5
Imperial Dynamic Plan (HMO)Imperial Health Plan of California, Inc.HMO$0$2954 of 5
SCAN Classic (HMO)SCAN Health PlanHMO$0$2,0004 of 5
SCAN Costco Medicare Advantage (HMO)SCAN Health PlanHMO$0$2,0004 of 5
Alignment Health Honor Plus 060 (HMO)Alignment Health PlanHMO$7.30$9,8503.5 of 5
Aetna Medicare Signature (HMO)Aetna MedicareHMO$10.00$3,9002.5 of 5
Kaiser Permanente Senior Advantage Basic Alameda (HMO)Kaiser PermanenteHMO$28.00$6,0004.5 of 5
AARP Medicare Advantage from UHC CA-7 (HMO-POS)UnitedHealthcareHMO-POS$59.00$7,1503 of 5
Blue Shield Inspire (HMO)Blue Shield of CaliforniaHMO$60.00$4,3004 of 5
Sutter Senior Advantage, a SCAN Medicare Plan (HMO)SCAN Health PlanHMO$66.00$4,9004 of 5
Kaiser Permanente Senior Advantage Alam., SF, Napa (HMO)Kaiser PermanenteHMO$105.00$3,9004.5 of 5

Advantage plans without drug coverage for 2027 (2)

PlanCompanyTypeMonthly premiumIn-network out-of-pocket limitStar rating
Aetna Medicare Eagle (HMO)Aetna MedicareHMONot listed$4,4503 of 5
Imperial Courage Plan (HMO)Imperial Health Plan of California, Inc.HMONot listed$2,9994 of 5

Special Needs Plans for 2027 (16)

PlanCompanyTypeMonthly premiumIn-network out-of-pocket limitStar rating
Aetna Medicare Chronic Care (HMO C-SNP)Aetna MedicareHMO C-SNP · Chronic or Disabling Condition$0$3,6003 of 5
Alignment Health BreathEasy Plus 041 (HMO C-SNP)Alignment Health PlanHMO C-SNP · Chronic or Disabling Condition$0$9,8503.5 of 5
Alignment Health Heart & Diabetes 010 (HMO C-SNP)Alignment Health PlanHMO C-SNP · Chronic or Disabling Condition$0$1,9003.5 of 5
Alignment Health Heart & Diabetes 048 (HMO C-SNP)Alignment Health PlanHMO C-SNP · Chronic or Disabling Condition$0$1,9903.5 of 5
Imperial Senior Value (HMO C-SNP)Imperial Health Plan of California, Inc.HMO C-SNP · Chronic or Disabling Condition$0$2954 of 5
Kaiser Permanente Dual Complete North P16 (HMO D-SNP)Kaiser PermanenteHMO D-SNP · Dual-Eligible$0$9,8504.5 of 5
Premier Care (HMO I-SNP)Align Senior CareHMO I-SNP · Institutional$0$1,900Not Enough Data Available
SCAN Balance (HMO C-SNP)SCAN Health PlanHMO C-SNP · Chronic or Disabling Condition$0$1,9004 of 5
SCAN Strive (HMO C-SNP)SCAN Health PlanHMO C-SNP · Chronic or Disabling Condition$0$9,8504 of 5
UHC Complete Care Support CA-8AP (HMO-POS C-SNP)UnitedHealthcareHMO-POS C-SNP · Chronic or Disabling Condition$0$9,8503 of 5
Alignment Health Heart & Diabetes 051 (HMO C-SNP)Alignment Health PlanHMO C-SNP · Chronic or Disabling Condition$0.10$9,8503.5 of 5
Imperial Flex (HMO C-SNP)Imperial Health Plan of California, Inc.HMO C-SNP · Chronic or Disabling Condition$2.70$9,8504 of 5
Alameda Alliance Wellness (HMO D-SNP)Alameda Alliance for HealthHMO D-SNP · Dual-Eligible$7.30$9,850Plan Too New To Be Measured
Alignment Health Clarity Plus 042 (HMO C-SNP)Alignment Health PlanHMO C-SNP · Chronic or Disabling Condition$7.30$9,8503.5 of 5
Alignment Health Heart & Diabetes Plus 039 (HMO C-SNP)Alignment Health PlanHMO C-SNP · Chronic or Disabling Condition$7.30$9,8503.5 of 5
Senior Care (HMO I-SNP)Align Senior CareHMO I-SNP · Institutional$7.30$9,850Not Enough Data Available

Stand-alone Part D drug plans are offered statewide: see California drug plans.

Sources

  1. Centers for Medicare & Medicaid Services, CY2027 Medicare Advantage and Part D Landscape file (data last updated 18 October 2026)
  2. Centers for Medicare & Medicaid Services, CY2026 Medicare Advantage and Part D Landscape file (September 2026 release)
  3. Centers for Medicare & Medicaid Services, MA State/County Penetration files, October 2026 and October 2025

Checked 29 October 2026. Plans and premiums can change before 1 January 2027. Confirm any plan on Medicare.gov before you enrol.