Medicare Advantage Plans in San Mateo County, CA

Looking for Medicare Advantage Plans in San Mateo County, CA? Enter your ZIP below to compare affordable or $0 premium plans in your area.

California state

Almost 57,000 Medicare beneficiaries in San Mateo County belonged to a Medicare Advantage (Medicare Part C) plan in 2019, which accounted for 42% of the county’s entire Medicare population.1

Learn more about Medicare Advantage in California.

2020 Medicare Advantage plans in San Mateo County

Number of unique plans 5
Weighted average premium $100
Average annual deductible $71.13
Average (in-network) out-of-pocket maximum $6,275
Number of $0 premium plans 0
Number of plans rated four stars or higher 3

In 2019, there were 5 different Medicare Advantage plans available in San Mateo County. While none of those plans featured $0 premiums, plans with $0 premiums may be available in 2020.

There were 3 plans ​that were rated four stars or higher based on Medicare Star Ratings.2 Plans rated four stars or higher are considered top-rated Medicare plans.

Premiums, deductibles and other costs may vary. The numbers reported in the table above are taken from the Centers for Medicare and Medicaid Services (CMS). A licensed insurance agent will be able to help you review and compare costs for specific plans available in San Mateo County or wherever you may live.

List of Medicare Advantage plans in San Mateo County

Medicare Advantage plans can come in several different forms, but all Medicare Advantage enrollees in California belonged to an HMO plan in 2019.

HMO (Health Maintenance Organization) plans utilize a network of participating doctors and other health care providers. Care is typically not covered by the plan when received outside of the network. 

In the state of California, the breakdown of plan types in 2019 was as follows:

Plan type Percentage of California enrollees (2019)
HMO 100%

How to Sign up for a Medicare Advantage Plan in San Mateo County

There are different Medicare enrollment periods in the year during which you may able to sign up for a Medicare Advantage plan in San Mateo County, depending on your eligibility. 

Medicare IEP graphic

Initial Enrollment Period (IEP)

When you first become eligible for Medicare, you will typically be granted an Initial Enrollment Period (IEP). This period begins three months before you turn 65 years old, includes the month of your birthday and continues for an additional three months. 

Medicare AEP graphic

Annual Enrollment Period (AEP)

The Annual Enrollment Period (AEP, also called the Medicare Open Enrollment Period for Medicare Advantage plans) takes place from October 15 to December 7 each year. This period is open to all eligible Medicare beneficiaries who wish to add, drop or change Medicare plans.  

Special Enrollment Period

If you experience a qualifying circumstance, you may be granted a Special Enrollment Period (SEP) at any time throughout the year to allow you to enroll in a Medicare Advantage plan.

Such circumstances may include situations like moving outside of your plan’s service area or losing your Medicare Advantage plan coverage through no fault of your own. A licensed insurance agent can help you determine if you are eligible for a Special Enrollment Period and what actions you may be able to take during that time. 

Find a Medicare Advantage plan where you live

Medicare Advantage plans can come in a variety of types and can include different benefits, networks, costs and more.

Connect with a licensed insurance agent today for help determining your eligibility and finding the best Medicare Advantage plan for you in San Mateo County. 

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1 MedicareAdvantage.com's internal analysis of CMS Medicare Advantage landscape source files, accessed May 2019. Data retrieved from www.cms.gov/Medicare/Prescription-Drug-Coverage/PrescriptionDrugCovGenIn.

2 Every year, Medicare evaluates plans based on a 5-star rating system.