Kaiser does accept Medicare patients, but coverage depends on which Kaiser plan you choose

Kaiser Permanente accepts Medicare in most states where it operates, but not all Kaiser plans work the same way. If you have Original Medicare (the government plan run by Centers for Medicare & Medicaid Services), you cannot use Kaiser as your primary provider — Kaiser does not contract with Original Medicare. However, if you join a Medicare Advantage plan offered by Kaiser, you get coverage through Kaiser's doctors and hospitals in your region.

The key difference: Kaiser Medicare Advantage plans replace your Original Medicare entirely. You pay Kaiser instead of the government, and Kaiser becomes your main insurance. These plans vary by location, so whether Kaiser offers Medicare Advantage in your area depends on your zip code and state.

Key Takeaways

  • Kaiser does not work with Original Medicare, so if you have government Medicare, you cannot see Kaiser doctors as your primary coverage.
  • Kaiser Medicare Advantage plans are available in some states and counties, but not everywhere Kaiser operates.
  • You can switch to a Kaiser Medicare Advantage plan during the Annual Enrollment Period (October 15 to December 7 each year) or if you may have access to for a Special Enrollment Period.
  • Kaiser Medicare Advantage plans typically include prescription drug coverage, dental, vision, and hearing benefits that Original Medicare does not cover.
  • If you leave Kaiser Medicare Advantage, you can return to Original Medicare during the Annual Enrollment Period.

How Kaiser Medicare Advantage plans work

A Kaiser Medicare Advantage plan is an alternative to Original Medicare. Instead of using the government plan, you enroll in Kaiser's managed care plan, which is run by Kaiser but approved by Medicare. Kaiser then receives a fixed monthly payment from Medicare for each member, and in return, Kaiser provides all your hospital, doctor, and specialist care through its own network.

This means you see Kaiser doctors, use Kaiser hospitals, and fill prescriptions at Kaiser pharmacies (or approved partners). You pay Kaiser a monthly premium, a copay when you visit a doctor, and sometimes a deductible. The exact costs depend on which Kaiser Medicare Advantage plan you choose — Kaiser offers several options in each region, with different premiums and copays.

Most Kaiser Medicare Advantage plans include prescription drug coverage (Part D), dental benefits, vision benefits, and hearing aids — things Original Medicare does not cover. Some plans also include fitness programs or meal delivery. These extras vary by plan and location.

Which states and regions have Kaiser Medicare Advantage

Kaiser operates Medicare Advantage plans in California, Colorado, Georgia, Hawaii, Idaho, Maryland, Oregon, Texas, Virginia, and Washington. However, within each state, Kaiser may not serve every county. Your zip code determines whether Kaiser Medicare Advantage is available to you.

To learn about Kaiser Medicare Advantage is offered in your area, visit Kaiser's Medicare website or call Medicare directly at 1-800-MEDICARE. Medicare's website (Medicare.gov) also has a plan finder tool where you can enter your zip code and see which Medicare Advantage plans, including Kaiser, are available where you live.

Availability changes year to year. Kaiser may add or drop counties, and plans may change their service areas. If Kaiser was available to you last year, check again during the next enrollment period to confirm it is still offered in your area.

When you can enroll in or switch to Kaiser Medicare Advantage

You can enroll in a Kaiser Medicare Advantage plan during the Annual Enrollment Period, which runs from October 15 to December 7 each year. Any changes you make during this window take effect on January 1 of the following year. This is the main time to join Kaiser, switch between Kaiser plans, or leave Kaiser to return to Original Medicare.

You may also enroll or switch outside the Annual Enrollment Period if you may have access to for a Special Enrollment Period. This happens if you move to a new state or county, lose employer coverage, become newly may be able to access for Medicare, or experience certain life changes. You have a limited window — usually 60 days — to make changes during a Special Enrollment Period, so act quickly if you may have access to.

If you are new to Medicare and turning 65, you have a seven-month window centered on your birthday month to enroll. This is called your Initial Enrollment Period. If you enroll in a Kaiser Medicare Advantage plan during this time, coverage can start as early as the first day of your birthday month.

What happens if you leave Kaiser Medicare Advantage

If you are in a Kaiser Medicare Advantage plan and want to switch back to Original Medicare, you can do so during the Annual Enrollment Period. You have until December 7 to make the change, and it takes effect on January 1. You can also switch to a different Medicare Advantage plan (including another Kaiser plan) during this same window.

If you leave Kaiser Medicare Advantage and return to Original Medicare, you lose Kaiser coverage when ready on December 31. Make sure you have a plan in place before you switch — if you need a prescription filled or a doctor visit after you leave, Original Medicare will cover it, but Kaiser will not.

If you want prescription drug coverage (Part D) after you leave Kaiser, you must enroll in a standalone Part D plan during the Annual Enrollment Period. If you do not enroll when you are first may be able to access, you may pay a penalty for late enrollment when you eventually join.

Cost differences between Kaiser Medicare Advantage and Original Medicare

Kaiser Medicare Advantage plans have a monthly premium, which varies by plan and location. Some Kaiser plans have a $0 premium, meaning you pay nothing monthly beyond your Part B premium to Medicare. Others charge $50 to $150 or more per month. You still pay your Medicare Part B premium to the government regardless of which plan you choose.

When you see a doctor or go to the hospital, you pay copays instead of the coinsurance you would pay with Original Medicare. For example, a doctor visit might cost $20 to $40 with Kaiser, whereas Original Medicare would charge 20% of the approved amount after you meet your deductible. Kaiser plans also have an out-of-pocket maximum — once you spend a certain amount in a year, Kaiser covers the rest at no cost. Original Medicare has no out-of-pocket maximum.

The trade-off is that Kaiser Medicare Advantage requires you to use Kaiser doctors and hospitals. If you travel or need care outside Kaiser's service area, you may have to pay out of pocket unless it is an emergency. Original Medicare works anywhere in the United States, so you have more flexibility if you travel frequently or see specialists outside a managed network.

Questions to ask Kaiser or Medicare before you enroll

Before you join a Kaiser Medicare Advantage plan, contact Kaiser directly or call Medicare at 1-800-MEDICARE to confirm the details. Ask whether the plan covers your current doctors and hospitals, what the monthly premium is, what copays you will pay, and whether your medications are covered. Ask about the out-of-pocket maximum and whether the plan includes dental, vision, and hearing benefits.

If you have a chronic condition or see specialists regularly, ask whether those specialists are in Kaiser's network and whether you need a referral to see them. Ask what happens if you need emergency care outside Kaiser's service area and whether urgent care is covered. Get the answers in writing so you have them for your records.

You can also request a copy of the plan's formulary (the list of covered medications) and the provider directory (the list of doctors and hospitals) before you enroll. These documents show you exactly what is and is not covered.

Frequently Asked Questions

Can I keep my Original Medicare and see Kaiser doctors?

No. Kaiser does not contract with Original Medicare, so you cannot use Kaiser as your primary provider if you have government Medicare. You must enroll in a Kaiser Medicare Advantage plan to see Kaiser doctors. If you want to keep Original Medicare, you will need to find doctors and hospitals that accept it in your area.

What if Kaiser is not available in my area?

If Kaiser Medicare Advantage is not offered in your zip code, you can enroll in a different Medicare Advantage plan from another insurance company, or you can stay with Original Medicare. Use Medicare.gov's plan finder tool to see which plans are available where you live.

Do I have to use Kaiser pharmacies for prescriptions?

Most Kaiser Medicare Advantage plans require you to use Kaiser pharmacies or approved mail-order pharmacies for prescriptions. Some plans allow you to use outside pharmacies, but you may pay more. Check your plan's formulary and pharmacy network before you enroll to make sure your medications are covered and accessible.

Can I switch from Kaiser Medicare Advantage to Original Medicare anytime?

You can switch during the Annual Enrollment Period (October 15 to December 7) or if you may have access to for a Special Enrollment Period due to a move, loss of coverage, or other life change. Outside these windows, you are locked into your Kaiser plan for the year.

What if I move to a state where Kaiser is not available?

If you move out of Kaiser's service area, you automatically may have access to for a Special Enrollment Period. You have 60 days from the date you move to enroll in a different Medicare Advantage plan or return to Original Medicare. Contact Medicare at 1-800-MEDICARE to report your move and see what options are available in your new location.