2026 Medicare Advantage Plans in California by County
Use the ZIP code tool or county list below to view Medicare Advantage plans available in California for 2026. Availability and plan details vary by location.
Explore Plans in your area using your ZIP Code
Understanding Medicare Advantage Coverage in California
Across the country, many Medicare beneficiaries decide to enroll in Medicare Advantage rather than remain with Original Medicare. Medicare Advantage (Part C) plans are offered by Medicare-approved private companies and are required to cover everything included in Parts A and B.
Plans may differ, however, in their provider access, out-of-pocket costs, and any extra features they include. That’s why comparing plan details is such an important step in making your choice.
How Medicare Star Ratings Work
You may have noticed Medicare’s Star Ratings while exploring Medicare Advantage plans in California. This program, run by CMS, scores plans on a 1-to-5 scale, with 5 stars representing the top rating.
Scores are based on a mix of quality and service measures, including screenings, preventive care, support for chronic conditions, and overall member feedback. They serve as a quick way to compare how plans perform.
Access to 5-star Medicare Advantage plans isn’t guaranteed in every California County. Plans with 4 stars or fewer may still deliver quality care and benefits. Be sure to look at the Star Ratings before making a final decision.
Looking Past Star Ratings: What Else Matters
Although Star Ratings shed light on plan performance, they’re just one part of the picture. Your personal health priorities should also shape your decision. For instance, if you’re interested in wellness extras, check whether those benefits are part of the plan.
Checking a Plan’s Formulary and Drug Benefits
Prescription drug coverage, or Part D, is often built into Medicare Advantage plans. For those who rely on daily or ongoing prescriptions, checking a plan’s formulary is a key step. The formulary outlines which drugs are covered and what you’ll pay.
Be mindful of restrictions that may apply, like prior authorization or dosage limits. Understanding these details helps you avoid surprises and manage your healthcare costs.
Why Provider Networks Matter in Medicare Advantage
Most Medicare Advantage plans use provider networks, meaning you’ll generally need to get care from doctors, hospitals, and specialists in that network unless it’s an emergency. This is different from Original Medicare, which allows broader access.
Check whether your current providers are included in a plan’s network to avoid disruptions in care. It’s also wise to look at the network’s overall reach, particularly if you split time between locations or travel frequently.
Understanding Out-of-Pocket Expenses
Out-of-pocket costs vary across Medicare Advantage plans. Expenses such as deductibles, copayments, and coinsurance determine what you’ll pay for care. Reviewing plan documents or using the Medicare.gov Plan Finder can help you estimate your yearly costs based on your expected healthcare use.
Choosing a plan that matches your health situation and likely service needs may help you manage expenses. Don’t forget to account for costs tied to extra benefits like dental or vision when building a full budget picture.
Practical Tips for Reviewing Plan Options
Take your time when choosing a Medicare Advantage plan — it’s an important decision that affects your healthcare and budget. Before comparing individual plans, review your Medicare plan options in California to understand how Medicare Advantage fits alongside Original Medicare, Part D, Medigap, and other available coverage, such as California Special Needs Plans.
A good place to begin is Medicare’s official Plan Finder at Medicare.gov, where you can compare plans side by side based on your zip code and needs. You may also want to explore online resources, check plan documents, and talk with people you trust who are already enrolled.
Getting Help With Medicare Advantage Decisions
If Medicare Advantage feels complex, remember that support is available. You can speak with a licensed Medicare agent or call Medicare directly at 1-800-MEDICARE for assistance tailored to your situation.
These resources can answer your questions, explain plan details, and help you find options that fit your health and budget. Don’t hesitate to reach out — expert guidance can make the process easier.
Explore Plans in your area using your ZIP Code
The MA and MAPD plans available though this page are available to people on Medicare enrolled in both Medicare Part A and Part B living in California.
Plans Offered for Enrollment through Medicare.org
Medicare Advantage and Part D plans and benefits offered by the following carriers: Medicare Advantage and Part D plans and benefits offered by the following carriers: Aetna Medicare, Anthem Blue Cross and Blue Shield, Aspire Health Plan, Baylor Scott & White Health Plan, Capital Blue Cross, Dean Health Plan, Devoted Health, Florida Blue Medicare, Freedom Health, GlobalHealth, Health Care Service Corporation, HealthSpring℠, HealthSun, Healthy Blue, Humana, Molina Healthcare, Mutual of Omaha, Medica Central Health Plan, Optimum HealthCare, Premera Blue Cross, SCAN Health Plan, Simply, UnitedHealthcare(R), Wellcare, WellPoint
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Page content independently curated and maintained by David W. Bynon, Editorial Steward, using a standardized, data-driven methodology for accurate Medicare coverage interpretation and resolution.