Ambetter vs. UnitedHealthcare

By the Florida Plan Finder Team | Licensed Florida Health Insurance Producer | Last Updated: May 25, 2026

Key Takeaways

Ambetter, sold by Centene's Florida entity, carries one of the largest marketplace enrollments in the state but also one of 2026's steepest approved increases at 37.9%. UnitedHealthcare is the nation's largest health insurer, but its Florida individual-marketplace footprint for 2026 is selective rather than statewide. Both compete on Florida's 2026 ACA marketplace, where 16 insurers now participate and the statewide weighted-average rate rose roughly 31.5% before subsidies — but the two carriers take very different approaches to networks, plan types, and price.

This comparison breaks down how Ambetter and UnitedHealthcare differ on county availability, provider networks, plan types, 2026 premiums, and member experience — and which type of Florida enrollee each one fits best.

Compare Ambetter & UnitedHealthcare Plans in Your County

A licensed Florida agent can pull Ambetter and UnitedHealthcare quotes for your ZIP and confirm whether your doctors are in-network with each — at no cost to you.

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Ambetter from Centene (Celtic Insurance) — Strengths

Low premiums and broad footprint: Ambetter is consistently among the lowest-cost options in Florida's most populous counties and has long carried one of the largest marketplace enrollments in the state. For subsidy-eligible shoppers who choose by price, Ambetter's Silver plans are frequently at or near the benchmark.

My Health Pays rewards: Ambetter members can earn My Health Pays reward dollars for completing a wellness visit, annual checkup, or health survey — funds that can offset premiums or be spent on everyday health items. It is one of the more generous wellness-incentive programs on the Florida exchange.

Centene scale and managed-care roots: Ambetter is backed by Centene, the country's largest Medicaid managed-care organization, which gives it deep experience serving lower-income and subsidy-eligible members transitioning between Medicaid and marketplace coverage.

UnitedHealthcare — Strengths

National scale and brand: UnitedHealthcare is the largest health insurer in the country, and its size brings deep resources, a polished member app, and integration with Optum's pharmacy and care-management services.

Digital tools and virtual care: UnitedHealthcare's app and virtual-visit options make routine care and prescription management convenient, and its provider-finder tools are mature and well-maintained.

Optum integration: Members benefit from UnitedHealthcare's tie-in with Optum for pharmacy, behavioral health, and care coordination — a vertically integrated model few Florida competitors can match.

Side-by-Side Comparison

Feature Ambetter UnitedHealthcare
Founded / status Centene's ACA brand; in FL since 2014 National carrier; selective FL individual footprint
Plan types HMO / EPO HMO / EPO
Florida county availability Broad — most populous FL counties Select FL counties
Telehealth Ambetter Telehealth included Virtual visits included
Provider network Large but value-tiered Large nationally; narrower for FL individual plans
Out-of-network coverage Emergency only Emergency only
Signature feature My Health Pays rewards National brand; UnitedHealthcare app + Optum
2026 approved rate change +37.9% (one of the steepest in FL) +29.9%

Network Differences

Ambetter manages cost through value-tiered networks that are broad in major metros but narrower than Florida Blue's. Its 37.9% approved increase for 2026 is among the highest in the state, so its historic price edge narrows in some counties — always confirm your doctors are in the specific Ambetter network for your plan.

UnitedHealthcare's national employer network is enormous, but its Florida individual-marketplace network for 2026 is narrower and offered in select counties only as HMO/EPO plans — with out-of-network care covered for emergencies only. Do not assume the broad UnitedHealthcare employer network you may know carries over to its individual plans.

The network gap between these two carriers is the single most important thing to check before you enroll, because an ACA plan only pays in full when you stay in its network.

Check Your Doctors Before You Switch Because both plans cover out-of-network care only in limited situations, search each carrier's provider directory for every doctor and hospital you use before enrolling. A plan is only a bargain if your providers are in its network.

2026 Premium Comparison

Sticker premiums rose across the board for 2026 — Florida's statewide weighted average climbed about 31.5% before subsidies. The illustrative Silver-plan figures below show how Ambetter and UnitedHealthcare compare in counties where both compete.

County (35-yr-old, non-smoker, Silver) Ambetter UnitedHealthcare
Miami-Dade County ~$470/mo ~$510/mo
Orange (Orlando) County ~$445/mo ~$485/mo
Hillsborough (Tampa) County ~$435/mo ~$475/mo

Approximate 2026 unsubsidized premiums for a 35-year-old non-smoker, before APTC subsidies. What you actually pay is set by the benchmark Silver plan in your rating area; more than 95% of Florida enrollees qualify for a subsidy. As a reference point, regulators cited a 28-year-old in Duval County on a Silver plan moving from about $149 to roughly $281 per month for 2026.

Who Should Choose Ambetter

Who Should Choose UnitedHealthcare

Frequently Asked Questions

Are both Ambetter and UnitedHealthcare available in my Florida county?

Ambetter, sold through Centene's Florida company, is available across most of Florida's populous counties for 2026 and carries one of the largest marketplace enrollments in the state. It offers HMO and EPO plans — there is no Ambetter PPO. UnitedHealthcare offers individual ACA plans in select Florida counties for 2026 — not statewide. Its plans are HMO/EPO, so out-of-network care is covered for emergencies only. Note that its individual-marketplace network is narrower than the large national network used by its employer plans.

What is Ambetter's My Health Pays program?

My Health Pays is Ambetter's rewards program. Members earn reward dollars for completing healthy activities such as an annual wellness visit, a yearly checkup, or a health risk screening. Those dollars can be applied toward monthly premiums, deductibles, copays, or everyday items at participating retailers. It is one of the most generous wellness-incentive programs offered on the Florida marketplace.

Which costs less in Florida for 2026, Ambetter or UnitedHealthcare?

It depends on your county and subsidy. For 2026, Ambetter's approved rate change was +37.9% (one of the steepest in FL) and UnitedHealthcare's was +29.9%, but what you actually pay is set by the benchmark Silver plan in your rating area after the Advance Premium Tax Credit. More than 95% of Florida marketplace enrollees receive a subsidy, so compare the net premium for the specific Silver plans offered at your ZIP code rather than the sticker price.

Should I choose Ambetter or UnitedHealthcare?

Choose Ambetter if you are subsidy-eligible and shopping primarily on price. Choose UnitedHealthcare if you want a large national insurer with strong digital tools. The deciding factors are usually county availability, whether your doctors are in each network, plan type (HMO / EPO vs. HMO / EPO), and the net premium after subsidies.

A licensed Florida health insurance agent can compare your 2026 options county by county and check whether your providers are in-network — at no cost to you.

Compare Plans in Your County

Related reading: Florida ACA Guide Hub | Florida Blue vs. Ambetter | Florida Blue vs. UnitedHealthcare | SunState Coverage

Licensed Florida Health Insurance Producer · NPN #21249133 ·
This resource is maintained by a licensed Florida health insurance producer. Information on this page is for general reference and is not legal or financial advice. Verify current plan details at HealthCare.gov before enrolling.