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Arizona Private Health Insurance vs. ACA: Which Is Right for You?

By Martin Elefant · Licensed insurance agent · Updated October 2026 · 5 min read

Most Arizonans think there's one way to buy health insurance on your own: HealthCare.gov. There are two. Here's how they actually differ.

How ACA plans work in Arizona

Marketplace plans are guaranteed-issue — every applicant is accepted regardless of health — and priced on income through the premium tax credit. Enrollment is limited to open enrollment (November 1 – January 15) unless you have a qualifying life event. Medicaid is expanded (AHCCCS) in Arizona. In Arizona, the marketplace carriers include Blue Cross Blue Shield of Arizona, Ambetter, Oscar, Banner|Aetna, and UnitedHealthcare. Arizona has no state individual mandate.

How private plans work in Arizona

Private shared-network plans are sold outside the marketplace by carriers that lease access to national PPO networks — in Arizona, that's Cigna, Aetna and PHCS PPO. They're medically underwritten, which means a short health questionnaire, and priced on age and health rather than income. You can enroll any month of the year, coverage starts on the 1st, and the plans are month to month.

Side by side

ACA / HealthCare.govPrivate shared-network
Priced onIncomeAge + health
Health questionsNoneShort questionnaire
Pre-existing conditionsCoveredCan be declined or excluded
When to enrollNov 1 – Jan 15 or life eventAny month
NetworkOften HMO, localNational PPO
Best forSubsidy-eligible, any healthHealthy, above the subsidy line

Which is right for you?

Two questions decide it. Do you qualify for a subsidy? If yes, the marketplace almost always wins. Are you healthy? If you don't get a subsidy and you are, a private PPO is usually less expensive with a broader network. If you don't get a subsidy and you have a serious condition, the marketplace is still the right answer. Arizona's marketplace is dominated by HMO plans tied to one hospital system, so people who want to keep doctors across Phoenix and Tucson — or who travel — are the ones who end up on a PPO.

Check your options and we'll show you both markets for your ZIP code, side by side.

ME
Martin Elefant
Licensed insurance agent · NPN 20765405 · Lyons Life LLC · Arizona Private Health

See your real options

Both markets, one call. Or call (561) 363-7776.

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