AHCCCS and Medicare are different programs, but some Arizona seniors have both
AHCCCS (Arizona Health Care Cost Containment System) is Arizona's Medicaid program — it is run by the state and covers people with low income or certain disabilities. Medicare is a federal program for people 65 and older, regardless of income. They are separate systems with different rules, different coverage, and different costs.
If you are 65 or older and live in Arizona, you may have Medicare, AHCCCS, both, or neither. Which one you have depends on your age, income, and whether you worked long enough to earn Medicare. The two programs can work together, but they do not replace each other.
Key Takeaways
- AHCCCS is Arizona's Medicaid program for low-income people; Medicare is a federal program for people 65 and older.
- You can have both programs at the same time if you are 65 or older and meet AHCCCS income limits.
- If you have both, Medicare is your primary insurance and AHCCCS covers some costs Medicare does not.
- AHCCCS income limits in Arizona are lower than Medicare's, so not everyone who qualifies for Medicare will may have access to for AHCCCS.
- You must contact each program separately to enroll; having one does not automatically give you the other.
How AHCCCS and Medicare differ
Medicare is a federal health insurance program you earn by working and paying Medicare taxes for at least 10 years. You become may be able to access at age 65 (or earlier if you are on Social Security Disability). You pay a monthly premium for Part B (doctor and outpatient care) and may pay for Part D (prescription drugs) and supplemental coverage.
AHCCCS is Arizona's version of Medicaid, a joint state and federal program for people with low income. There is no work requirement — you may have access to based on your current income and household size. AHCCCS has no monthly premium, but it has strict income limits. In 2024, a single person in Arizona can earn no more than roughly $1,468 per month to may have access to for AHCCCS, though this amount changes yearly and varies by category.
The two programs cover different things. Medicare covers hospital stays, doctor visits, some preventive care, and prescription drugs (if you enroll in Part D). AHCCCS covers doctor visits, hospital care, emergency services, and some prescription drugs, but the specific coverage depends on which AHCCCS plan you are in. Neither program covers dental, vision, or hearing aids in the same way, though AHCCCS offers more dental coverage than Medicare does.
When you can have both AHCCCS and Medicare
You can hold both programs if you are 65 or older and meet AHCCCS income limits. This situation is called being dual may be able to access. If you have both, Medicare pays first (it is your primary insurance), and AHCCCS covers some of the costs Medicare does not — such as Medicare premiums, deductibles, and copays.
Having both programs can lower your out-of-pocket costs significantly. For example, if Medicare charges a $226 monthly premium for Part B, AHCCCS may pay that premium for you. If you need a doctor visit and Medicare covers 80 percent, AHCCCS may cover the remaining 20 percent copay.
However, being dual may be able to access does not happen automatically. You must enroll in both programs separately. If you are 65 or older and have low income, you should contact both Medicare (through Social Security or Medicare.gov) and AHCCCS (through the Arizona Department of Health Services) to see whether you may have access to for each.
AHCCCS income and resource limits
AHCCCS has strict income limits that change each year. For 2024, a single person can earn approximately $1,468 per month and still may have access to; a couple can earn roughly $1,974 per month. These limits are much lower than Medicare's, which has no income limit at all. This means you could be too wealthy to may have access to for AHCCCS even if you may have access to for Medicare.
AHCCCS also counts your resources — savings, investments, and property. For most AHCCCS categories, you can have no more than $2,000 in countable resources as a single person or $3,000 as a couple. Your home and one car do not count, but a second vehicle or a savings account above the limit can disqualify you.
These limits are set by Arizona and reviewed annually. If your income or resources change, you should report the change to AHCCCS within 10 days. Losing AHCCCS coverage because your income rose is possible, but you would still have Medicare if you are 65 or older.
How to enroll in each program
To enroll in Medicare, you contact Social Security or visit Medicare.gov. You can enroll when you turn 65, and you have a seven-month window (three months before your birthday, the month of your birthday, and three months after). If you miss this window, you may pay a penalty for late enrollment.
To enroll in AHCCCS, you contact the Arizona Department of Health Services through their website (azahcccs.gov) or by phone at 1-855-432-7587. You can explore at any time; there is no enrollment window. You will need to provide proof of income, residency, and citizenship or legal residency status. The process usually takes 30 to 45 days.
If you are already on Medicare and think you might may have access to for AHCCCS, explore to AHCCCS separately. Having Medicare does not disqualify you from AHCCCS, and the programs do not share enrollment information automatically.
What happens if you lose AHCCCS but keep Medicare
If your income rises above AHCCCS limits, you will lose AHCCCS coverage but keep Medicare (assuming you are 65 or older). This can happen if you return to work, receive a raise, or start drawing a pension. When AHCCCS ends, you lose the help paying Medicare premiums and copays.
If you lose AHCCCS, check whether you may have access to for a Medicare Savings Program (MSP). These programs, run by Arizona, help pay Medicare premiums and copays for people with income slightly above AHCCCS limits. Income limits for MSP are higher than AHCCCS limits, so you might may have access to even if AHCCCS says no. You can contact the Arizona Department of Health Services to ask about MSP.
Common confusion between AHCCCS and Medicare
Many people think AHCCCS and Medicare are the same program or that one replaces the other. They do not. AHCCCS is a state program; Medicare is federal. AHCCCS is for low-income people of any age; Medicare is for people 65 and older (or younger if disabled). You do not automatically get one when you enroll in the other.
Another common misunderstanding is that AHCCCS is "free Medicare." AHCCCS is free (no monthly premium), but it is not Medicare. Medicare costs money (premiums, deductibles, copays) unless you also have AHCCCS or another supplemental program to help pay those costs.
Some people also believe that if they have Medicare, they do not need to worry about AHCCCS. This is not true if your income is low. Having both programs can save you hundreds of dollars per year in out-of-pocket costs, so it is worth checking whether you may have access to for AHCCCS even if you already have Medicare.
Questions to ask your doctor or Medicare counselor
If you are unsure whether you have AHCCCS, Medicare, or both, ask your doctor's office which insurance they see on file. You can also call Medicare at 1-800-MEDICARE (1-800-633-4227) to confirm your Medicare coverage, or call AHCCCS at 1-855-432-7587 to ask about your AHCCCS status.
If you are 65 or older and have low income, ask a Medicare counselor whether you might may have access to for both programs. Many Area Agencies on Aging in Arizona offer free counseling on Medicare and AHCCCS. You can find your local agency by calling the Eldercare Locator at 1-800-677-1116.
Frequently Asked Questions
Can I have AHCCCS if I already have Medicare?
Yes. If you are 65 or older and meet AHCCCS income limits, you can have both. You must enroll in each program separately. Having Medicare does not disqualify you from AHCCCS, and AHCCCS does not replace Medicare.
Does AHCCCS cost money like Medicare does?
AHCCCS has no monthly premium, but Medicare does (Part B costs about $226 per month in 2024). If you have both programs, AHCCCS can pay your Medicare premium for you, which is one reason dual coverage saves money.
What if my income is too high for AHCCCS but I cannot afford Medicare costs?
You may may have access to for a Medicare Savings Program (MSP), which helps pay Medicare premiums and copays. MSP income limits are higher than AHCCCS limits. Contact the Arizona Department of Health Services or call 1-855-432-7587 to ask about MSP.
How do I know if I am on AHCCCS or Medicare?
Check your insurance card — it will say either "Medicare" or "AHCCCS" (or both, if you have dual coverage). You can also call Medicare at 1-800-MEDICARE or AHCCCS at 1-855-432-7587 to confirm your coverage status.
If I lose AHCCCS because my income rose, do I lose Medicare too?
No. Medicare is separate from AHCCCS. If you are 65 or older, you keep Medicare even if AHCCCS ends. However, you will lose help paying Medicare premiums and copays, so ask about Medicare Savings Programs right away.