If you live in Maricopa or Pinal County and are weighing Medicare Advantage options for 2026, two carriers worth a serious look are Aetna and Blue Cross Blue Shield of Arizona, often called BCBSAZ. They are not the largest Advantage carriers in the Valley, but they have specific strengths that can make them the right fit for the right person. Both have $0 premium plans available. Both have decent drug coverage. They differ on network footprint, plan design, and the kinds of extras they emphasize.
I am a Medicare broker in Mesa, and Aetna and BCBSAZ both come up regularly in client conversations. Here is the side-by-side comparison I would walk you through, with an honest read on who each carrier is best for.
Network Footprint in Arizona
Network access is the first place these two carriers diverge meaningfully. The right plan needs to include the doctors and hospitals you actually use.
Aetna in Arizona has built its Medicare Advantage network around a mix of major systems. They contract with HonorHealth, Banner, Dignity Health, Abrazo, and several independent practice associations in the Valley. Aetna’s PPO plans tend to have broader access. Aetna’s HMO plans require you to designate a primary care doctor and stay within the contracted network.
Blue Cross Blue Shield of Arizona is the only Blues plan based in Arizona. Their network is built specifically for Arizona providers and tends to have very strong contracting with Banner, HonorHealth, and Dignity Health. BCBSAZ has been growing its Medicare Advantage business in the Valley and has developed plans that work well within the major Arizona hospital systems.
For Mesa and East Valley patients specifically, both carriers have solid network coverage. The key is to verify the specific doctors you see. Banner-affiliated patients usually have access through both carriers. HonorHealth-affiliated patients usually have access through both. Mayo Clinic, as always, is a more selective question and may or may not be in network depending on the specific plan and year.
Pharmacy and Drug Coverage
Both carriers offer integrated Part D coverage on their Medicare Advantage plans, but the formularies and pharmacy networks differ enough to matter.
Aetna uses CVS Caremark for pharmacy benefits, which means CVS, Target Pharmacy, and many independents are preferred pharmacies. The mail order option through CVS Caremark is reliable. Aetna’s formulary is broad and includes most commonly prescribed medications.
BCBSAZ uses Prime Therapeutics for pharmacy management. Their preferred pharmacy network in Arizona includes Walgreens, Walmart, Costco, Safeway, and a number of independent pharmacies. Mail order is handled through Prime’s network and is generally smooth.
For most generic medications, both carriers come out very close in cost. The difference shows up on brand name medications, specialty drugs, and tier placement. A plan that puts your statin on tier 1 saves you hundreds compared to a plan that puts it on tier 3. The medicare.gov Plan Finder will show the specific cost for your specific medications across both carriers.
The new $2,000 Part D out-of-pocket cap for 2026 applies to both carriers. If your annual drug costs were going to exceed $2,000, the cap caps them at $2,000 regardless of which plan you pick. The plans that come out best are the ones where you stay below the cap with the most predictable monthly costs.
Premiums and Out-of-Pocket Maximums
Both Aetna and BCBSAZ offer $0 premium Medicare Advantage plans in Maricopa County. The Aetna $0 premium plans typically have $0 medical deductibles, modest copays, and out-of-pocket maximums in the mid-$5,000 to $7,500 range for in-network care. The BCBSAZ $0 premium plans are structured similarly, with comparable copay structures and out-of-pocket caps.
Higher-tier plans from each carrier with monthly premiums offer richer benefits. A $30 to $80 per month plan often comes with lower copays for primary care, lower specialist copays, lower hospital cost shares, and richer extras.
The most useful number for most shoppers is the in-network out-of-pocket maximum. Lower maximums mean better protection if you have a bad year. Both carriers have plans with maximums under $5,000 if you look carefully.
Extras: Dental, Vision, Hearing, Fitness, OTC
Both carriers compete heavily on extra benefits. Here is the honest read.
Dental coverage on basic plans from both carriers is reasonable for cleanings and routine care. Aetna’s dental network is generally accessed through a partnership with major dental networks. BCBSAZ has built a strong dental network in Arizona and tends to be competitive on annual maximums and the percentage of major work covered. For someone planning major dental work like crowns or dentures, comparing the specific coverage limits is worth a careful look.
Vision is roughly comparable. An eye exam covered, a frame allowance, lens coverage. Worth more if you wear glasses or are due for an exam.
Hearing aids are an area where both carriers have invested. Aetna and BCBSAZ both offer hearing aid programs through specific vendors with copays starting in the few hundred dollars per device range for basic technology and going up for premium devices. If you need hearing aids, the specifics of each carrier’s program are worth comparing closely.
Fitness benefits at Aetna include programs like SilverSneakers and Renew Active depending on the specific plan. BCBSAZ also typically includes SilverSneakers or a comparable program. Both work for most active seniors.
OTC and grocery allowances vary. Aetna and BCBSAZ both have plans with monthly OTC card allowances. Some BCBSAZ plans include grocery benefits at participating retailers for members with chronic conditions. The amounts and what is covered change every year and are worth checking on the specific plan you are considering.
Transportation, telehealth, in-home support services, and meal delivery after hospital stays show up on richer plans from both carriers. If any of these matter to you, list them as priorities and we can compare.
Customer Service and the Local Factor
This is where BCBSAZ has a unique angle. As the only Blues plan based in Arizona, with corporate offices in Phoenix, BCBSAZ has historically positioned itself as the “local” option. Their customer service team is in-state, and they have community partnerships that national carriers do not always have.
Aetna is part of CVS Health and has the resources of a national carrier. Their member services are competent, their app is solid, and they handle high volumes well. They do not have the local Arizona identity that BCBSAZ does, but they have the scale and infrastructure of a national operation.
For some clients, the “local” identity matters and BCBSAZ feels like a better fit. For others, the scale of a national carrier feels more reassuring. There is no objectively right answer.
Star Ratings for 2026
Both carriers have plans rated 4 stars or higher in Maricopa County for 2026. Star ratings reflect quality, customer satisfaction, and clinical outcomes. They change year to year. Specific plan ratings are worth checking at the time of enrollment, but in general both carriers are in respectable territory.
A 4-star or higher rated plan is not a guarantee of perfect service, but it does indicate that the plan is meeting CMS quality standards reasonably well. Star ratings also unlock certain benefits and rebate dollars that flow into richer extras. Plans rated below 3 stars should give you pause.
Who Each Carrier Suits Best
Here is how I think about which carrier fits which kind of client.
Aetna often wins for clients who want broader PPO access, regularly use CVS pharmacies, or like the integration with CVS Health services like Minute Clinics and CVS Health Hub. Aetna’s plans tend to be a good fit for seniors who want flexibility and are willing to pay slightly more for it on the higher-tier plans.
BCBSAZ often wins for clients who specifically want a local Arizona insurance company, regularly use Walgreens or Walmart pharmacies, and value the in-state member service experience. BCBSAZ has also built specific programs for chronic condition management that some clients with diabetes, heart disease, or COPD appreciate.
For clients in Pinal County, plan availability differs from Maricopa County, and one of the two carriers may have a better plan in your specific zip code. This is worth checking carefully.
For clients who travel frequently or split time outside Arizona, neither HMO plan from either carrier is great. A PPO plan from either, or a Medigap supplement instead of Medicare Advantage, may be the better answer. We have a separate article on Medicare for snowbirds in Arizona that addresses this.
What to Look at Before You Enroll
Whichever carrier you are considering, run through this list before you sign anything.
Verify your specific doctors are in network. Call the doctor’s office and ask, do not just trust the carrier website.
Run your specific medications through medicare.gov Plan Finder or have a broker do it for you. The annual cost difference between plans for your specific drug list can be significant.
Look at the in-network out-of-pocket maximum, not just the premium. A $0 premium plan with a $7,500 OOP max can cost more than a $50 premium plan with a $4,500 OOP max if you actually use care.
Check the star rating for the specific plan, not just the carrier overall. Different plans from the same carrier can have different ratings.
Read the Annual Notice of Change carefully if you are renewing or considering a plan you have had before. Plans change every year and the changes can be significant.
Need Help Comparing Aetna and BCBSAZ Plans for Your Situation?
If you are weighing Aetna against BCBSAZ, or comparing either to UHC, Humana, or any other carrier, I can run the comparison for you. I work with Medicare beneficiaries in Mesa, Gilbert, Chandler, Tempe, Scottsdale, and across the East Valley.
Call me at 480-296-5804 or request a free consultation. No pressure, no obligation, and no cost to you. The service is paid by the insurance carrier when you enroll, and I am paid the same regardless of which carrier you choose, so I have no incentive to push one over the other.