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Read how Medicare works, check a doctor or a drug, and compare plans for a California ZIP. This site does not enroll you.
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Annual Enrollment
October 15 – December 7
If you already have Medicare, Annual Enrollment is when you can generally join, switch, or drop a Medicare Advantage plan or a Part D plan. A choice made in this window is for 2027 coverage, and it starts January 1, 2027. This is not the 7-month window for someone new to Medicare, and it is not Medicare Advantage Open Enrollment in January.
What you can change during Annual Enrollment · Find My Enrollment Window
Last updated October 11, 2026.
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Enrollment, doctors, prescriptions, and costs.
Enrollment, doctors, drugs, or costsHow My Medicare Checkup works
- 1About youYour ZIP code and where you are with Medicare.
- 2Your doctors, prescriptions, and costsWhat you want to keep, and what you pay.
- 3Questions to verifyA personalized list of questions and items to verify before you make a coverage decision.
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Browse Medicare guides
- Medicare at 65A 7-month window to sign up, separate from fall Annual Enrollment.
- Original Medicare or AdvantageUnderstand Original Medicare, Medicare Advantage, a Medicare Supplement (also called Medigap), and Part D.
- Change my coverageAnnual Enrollment is October 15–December 7. Other windows have different dates.
- Lower my Medicare costsExtra Help, Medicare Savings Programs, and Medi-Cal. A screener estimates. The agency decides.
- Keep my doctorsAsk the office which medical group would get the claim, then confirm the plan.
- Help someone elseHow a spouse or adult child can sit in, ask the office, and keep the paperwork.
Meet Alan Blackwell
Alan Blackwell is a Licensed Medicare Insurance Agent based in Arcadia. He walks you through your options by phone or Zoom, and he never rushes you.
Medicare is local
Start with the doctors, hospitals, and medical groups you already use. Coverage that fits one Los Angeles County ZIP can miss them in the next.