← Back to Blog

$0-Premium Medicare Advantage Plans in Pima County: What's the Catch?

If you live in Pima County, you have seen the ads: Medicare Advantage plans with a $0 monthly premium, often with extras like dental and a gym membership thrown in. It sounds too good to be true — so what is the catch? The short answer is that these plans are real and legitimate, but "$0 premium" does not mean "free." Here is exactly how a $0-premium plan can cost nothing up front, where the real trade-offs live, and how to judge whether one is right for you.

What does a $0-premium Medicare Advantage plan actually mean?

A $0-premium Medicare Advantage plan charges no separate monthly premium for the plan itself. It does not mean free health care. You still pay your Medicare Part B premium — $202.90 a month in 2026 — along with copays and deductibles when you actually use services. The zero applies only to the plan's own monthly charge.

Medicare Advantage, also called Part C, is a way to get your Medicare benefits through a private insurance company instead of directly from the government. The plan bundles your hospital coverage (Part A), medical coverage (Part B), and usually prescription drugs (Part D) into one package. Because the insurer sets the plan's premium, it can price that premium at $0 — but the rest of your Medicare costs do not disappear. If you want a refresher on the two main paths, our guide to Medicare Advantage and Part D lays out the basics.

How can these plans cost $0 when they cover so much?

Medicare pays private insurance companies a set amount every month to take on your coverage. In a competitive market like Pima County, an insurer can use part of that payment, plus bonus "rebate" dollars it earns, to drop the premium to $0 and add extra benefits. The money comes from Medicare, not from thin air.

Here is the mechanism in plain English. Every month, Medicare pays the plan a flat fee to cover you, whether you visit the doctor once or twenty times. When a plan is efficient and scores well on quality ratings, Medicare shares part of the savings back with the plan as a rebate. Plans are required to spend most of that rebate on you — in the form of lower premiums, lower cost-sharing, or extra benefits. Tucson and the surrounding metro area have a lot of plans competing for the same members, and a $0 premium is one of the easiest ways for an insurer to stand out. That competition is good for you, but it is also why it pays to look closely at what each plan asks in return.

So what's the real catch?

The catch is that a $0 premium simply moves the trade-offs somewhere else. In exchange for no monthly premium, you accept a provider network, copays that add up when you are sick, prior-authorization rules, and drug coverage tied to that one plan. The plan is not free — the costs just arrive when you use care.

Instead of paying a steady premium every month, you pay as you go. The main things a $0-premium plan asks of you in return are:

• A provider network. You generally must use the plan's doctors and hospitals, or pay much more to go outside it.
• Cost-sharing when you use care. Copays for office visits, labs, imaging, and hospital stays can add up quickly in a year when your health takes a turn.
• Prior authorization. Some tests, procedures, and medications need the plan's approval before it will pay — which can mean delays.
• Referrals. Many HMO-style plans require a referral from your primary doctor before you can see a specialist.
• A set drug formulary. Your prescriptions are covered under that plan's specific drug list, which can change each year.
• Yearly changes. Benefits, networks, and copays can all change every January, so a plan that fits this year may not fit next year.

How do provider networks affect you in Pima County?

Most Medicare Advantage plans in Pima County use provider networks. If your plan is an HMO, care outside that network usually is not covered except in emergencies. Before you enroll, confirm the plan includes the doctors and hospitals you rely on — such as Tucson Medical Center, Banner – University Medical Center, Northwest, or Carondelet.

Networks are the single biggest reason a "great" plan turns into a frustrating one. Pima County is served by several major hospital systems, and not every plan contracts with every system. An HMO plan limits you to its network and usually requires referrals; a PPO plan lets you go out of network but charges you more to do it. Online provider directories are updated slowly and are frequently wrong, so the only reliable way to confirm coverage is to call your doctor's office and ask whether they accept the specific plan you are considering. If you split your year between Tucson and somewhere cooler, network rules matter even more — read our note on Medicare plans across Pima County to see how coverage varies by community from Green Valley to Marana.

What will you still pay out of pocket?

Even with a $0 premium, you pay your Part B premium plus copays or coinsurance for visits, tests, and hospital stays until you hit the plan's out-of-pocket maximum. In 2026 that in-network maximum can be as high as $9,250. Your prescription drugs are capped separately at $2,100 for the year.

The out-of-pocket maximum, or "MOOP," is your safety net. It is the most you can be charged for covered medical services in a year — once you reach it, the plan pays 100% of covered care for the rest of the year. Medicare sets a ceiling on how high that limit can go: for 2026, plans cannot set an in-network maximum above $9,250, or above $13,900 when in-network and out-of-network care are combined. Many plans set their limit lower than the ceiling, and that number is one of the most important things to compare. On the drug side, a separate 2026 cap means you will never pay more than $2,100 out of pocket for covered Part D prescriptions in a calendar year — a meaningful protection if you take expensive medications. To understand where Medicare leaves gaps in the first place, see what Medicare does not cover.

How do you know if a $0-premium plan is right for you?

Look past the premium. Add up the copays you would expect in a normal year, check that your doctors and prescriptions are covered, note the out-of-pocket maximum, and compare all of it against Original Medicare paired with a Medigap plan. The right choice is the lowest total cost for your health, not the lowest premium.

A useful way to decide is to run your own numbers. Estimate a realistic year — your regular doctor visits, any specialists, your prescriptions — and add up what each plan would charge in copays, then add the out-of-pocket maximum as your worst-case number. Put that next to the alternative: Original Medicare combined with a Medicare Supplement (Medigap) plan, which charges a higher monthly premium but leaves you with very predictable costs and no networks. Neither path is automatically better; they simply fit different lives. Our side-by-side breakdown, Medicare Supplement vs. Medicare Advantage, walks through who each path tends to suit.

Are $0-premium plans a bad deal?

Not at all. For many Pima County residents, a $0-premium plan is a genuinely good fit — especially if your doctors are in network and you are generally healthy. The point is not to avoid these plans, but to choose one with your eyes open, knowing where the costs really live.

Millions of people are happily enrolled in $0-premium Medicare Advantage plans, and for good reason: bundled drug coverage, extra benefits, and a cap on out-of-pocket costs that Original Medicare alone does not offer. The trouble only starts when someone picks a plan on the premium alone, then discovers their specialist is out of network or their medication is not on the formulary. Choose based on your doctors, your drugs, and your total potential cost, and a $0-premium plan can be exactly the right tool. For a local look at how to weigh these plans, see our overview of Medicare Advantage in Tucson for 2026.

Frequently Asked Questions

Do I still pay the Part B premium on a $0 Medicare Advantage plan?

Yes. A $0-premium plan waives only the plan's own premium. You still pay the standard Medicare Part B premium, which is $202.90 a month in 2026 (higher if your income is above certain limits). Everyone on Medicare Advantage keeps paying Part B, because the plan is delivering your Part A and Part B benefits on Medicare's behalf.

Are $0-premium plans offered everywhere in Pima County?

Not always. What is available depends on your zip code. Tucson and the metro suburbs usually have several $0-premium options, while parts of Green Valley, Sahuarita, Marana, or rural Pima County may have fewer. Always check the specific plans offered for your address before assuming a plan you saw advertised is available where you live.

Does it cost anything to compare these plans with a local agent?

No. Licensed Medicare agents are paid by the insurance companies, not by you, so comparing $0-premium plans costs you nothing. A local Tucson agent can confirm your doctors are in-network, check your prescriptions against each formulary, and add up your likely out-of-pocket costs so you are comparing total value, not just the premium.