Medicare 2026
Have Medicare in San Leandro? Your AEP Checklist
SAN LEANDRO, Calif. — The fall window to review Medicare coverage is open. From October 15 through December 7, people with Medicare across Alameda County can compare plans, switch, or make changes that take effect January 1, 2027. Missing that date usually means waiting another year.
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Key takeaways
- The Annual Enrollment Period runs October 15 through December 7, and any changes you make take effect January 1, 2027.
- During AEP you can switch between Original Medicare and Medicare Advantage, change Advantage plans, or join, switch, or drop a Part D drug plan.
- The Part D out-of-pocket cap is $2,100 in 2026 and $2,400 in 2027. The maximum Part D deductible is $615 in 2026 and $700 in 2027.
- Free, unbiased help is available from Medicare (1-800-MEDICARE) and California's SHIP program, called HICAP, which serves San Leandro residents through Alameda County.
This is also the season when the 2027 program numbers come into focus, including the annual cap on what you pay out of pocket for Part D prescription drugs, which rises to $2,400. Here is a plain-English guide to what you can actually do during the Annual Enrollment Period (AEP), and how to decide.
What the Annual Enrollment Period actually lets you do
AEP is the once-a-year window when almost anyone with Medicare can make coverage changes without needing a special reason. During October 15 – December 7, you can:
- Switch from Original Medicare (Parts A and B) to a Medicare Advantage plan, or the other way around.
- Change from one Medicare Advantage plan to a different Medicare Advantage plan.
- Join a stand-alone Part D prescription drug plan, switch to a different one, or drop your drug coverage.
Whatever you choose takes effect on January 1, 2027. If you do nothing, your current coverage generally rolls over into next year — but the plan itself may have changed, which is why a yearly review matters.
Read your Annual Notice of Change
By late September, your current Medicare Advantage or Part D plan should have sent an Annual Notice of Change (ANOC). It spells out what is different for 2027 — premium, deductible, drug list (formulary), pharmacy network, and provider network.
Two questions to ask as you read it:
1. Are the doctors, hospitals, and pharmacies I use still in-network next year? 2. Are the specific medications I take still covered, and at what tier?
If the answer to either question is no, that's a strong signal to compare other options before December 7.
The 2027 numbers to keep in mind
A few program-level facts apply no matter which plan you pick:
- Part D out-of-pocket cap: $2,100 in 2026 and $2,400 in 2027. Once your covered drug spending hits that ceiling, you pay nothing for covered drugs the rest of the year.
- Part D deductible: no plan can charge more than $615 in 2026, rising to $700 in 2027.
- The "donut hole" is gone. As of 2025, Part D has just three phases (deductible, initial coverage, catastrophic), and that continues in 2027.
- Medicare Prescription Payment Plan: an optional program that lets you spread your drug costs across monthly payments instead of paying big amounts at the pharmacy counter. You can opt in through your drug plan.
- IRMAA: higher-income beneficiaries pay surcharges on Part B and Part D. For 2026, these begin above $109,000 in income for a single filer.
How to compare plans without getting overwhelmed
San Leandro is in Alameda County, where Medicare beneficiaries typically have a wide range of Medicare Advantage and stand-alone Part D plans to choose from. That's good news, but it can be a lot to sort through. A simple approach:
1. List your must-haves. Your doctors, your preferred hospital (many locals use facilities in San Leandro, Oakland, or Hayward), your regular pharmacy, and every prescription you take with dose and frequency. 2. Use the Plan Finder at medicare.gov. Enter your ZIP code and your drug list. The tool will estimate your yearly costs under each plan, including premiums and drug costs. 3. Check the networks yourself. Call the plan or check its online directory to confirm your providers are in-network for 2027. 4. Look at Star Ratings as one data point. CMS rates plans on quality and service from 1 to 5 stars. It's useful context, not the whole story.
If December 7 passes
If you miss AEP, you still have some options. From January 1 – March 31, the Medicare Advantage Open Enrollment Period lets people already in a Medicare Advantage plan switch to a different Advantage plan or drop back to Original Medicare (with a Part D plan). Certain life events — moving, losing other coverage, qualifying for Extra Help — can also trigger a Special Enrollment Period.
Watch out for pressure and scams
AEP is peak season for aggressive sales calls, door knocks, and misleading TV ads. Medicare will not call you out of the blue to "verify" your number or sign you up. If someone pressures you to decide on the spot, that's a red flag. Hang up and call 1-800-MEDICARE or your local SHIP counselor.
Where San Leandro readers can get free help
- Medicare: 1-800-MEDICARE (1-800-633-4227), 24/7, or medicare.gov.
- California SHIP (HICAP): free, unbiased Medicare counseling. Alameda County residents, including in San Leandro, can reach HICAP through the state SHIP line at 1-800-434-0222.
- Social Security: ssa.gov or 1-800-772-1213 for enrollment and IRMAA questions.
By the numbers
Medicare Part B premium, 2006–2026
The standard monthly Part B premium has climbed from $88.50 in 2006 to $202.90 in 2026. Hover any point for that year’s premium.
Source: CMS. Standard premium shown; in some hold-harmless years many existing enrollees paid less. Confirm at Medicare.gov.
By the numbers
How people get Medicare in Alameda County
(MA penetration in Alameda County)
MA penetration from CMS enrollment data; Medigap share is an estimate. U.S. average is about 54% Medicare Advantage. These are area-level figures, not plan-specific.
Key dates
Medicare enrollment periods at a glance
- Around your 65thInitial Enrollment PeriodA 7-month window around the month you turn 65 — your first chance to sign up.
- October 15 – December 7Annual Enrollment PeriodAnyone with Medicare can join, switch, or drop a Medicare Advantage or Part D plan.
- January 1 – March 31Medicare Advantage Open EnrollmentIf you're already in a Medicare Advantage plan, you can make one change.
- January 1 – March 31General Enrollment PeriodFor people who missed their first chance to sign up for Part B.
- VariesSpecial Enrollment PeriodTriggered by life events like moving or losing other coverage.
Dates are set by Medicare and apply nationwide. Confirm your personal windows at Medicare.gov or 1-800-MEDICARE.
Explore
When can you enroll? An interactive year
Enrollment windows are federal and the same nationwide. Confirm your personal dates at Medicare.gov or 1-800-MEDICARE.
Explore
The parts of Medicare
Good to know
Frequently asked questions
When exactly is the 2027 Medicare Annual Enrollment Period?
What happens if I don't do anything during AEP?
Can I switch Medicare Advantage plans after December 7?
How does the Part D out-of-pocket cap work in 2027?
- CMS — Medicare enrollment periods (medicare.gov)
For personalized answers, contact Medicare.gov, 1-800-MEDICARE, or your local SHIP.
Also for San Leandro
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This page was last updated: September 29, 2026.