Guide

Medicare Advantage vs. Medigap in Arizona

The single biggest Medicare decision most Arizonans make. Here's how the two paths really differ — and how to tell which one fits your life.

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Not connected with or endorsed by the U.S. government or the federal Medicare program. We do not offer every plan available in your area. Any information we provide is limited to those plans we do offer in your area. Please contact Medicare.gov, 1‑800‑MEDICARE, or your local State Health Insurance Assistance Program (SHIP) to get information on all of your options.

Two ways to fill the gaps in Original Medicare

Original Medicare (Parts A and B) covers a lot, but it leaves you with deductibles and an uncapped 20% share of most costs. In Arizona you have two main ways to handle that gap: add a Medigap (Medicare Supplement) policy to Original Medicare, or move your coverage into a Medicare Advantage (Part C) plan. You can't use both at once.

The quick version

Medicare Advantage bundles your hospital, medical and usually drug coverage into one private plan, often with a low or $0 premium and extras like dental, vision and hearing — in exchange for using a local network and getting referrals or prior approvals. Medigap keeps you on Original Medicare and pays most of your out-of-pocket share, letting you see any Medicare provider nationwide with very predictable costs — in exchange for a higher monthly premium and a separate Part D drug plan.

Side-by-side comparison

Advantage vs. Medigap at a glance

General comparison — specific plans vary.

Feature	Medicare Advantage	Medigap + Original
Monthly premium	Often low or $0	Higher
Provider access	Local network	Any Medicare provider in U.S.
Out-of-state / travel	Emergencies mainly	Nationwide
Yearly out-of-pocket cap	Yes (set by plan)	Very low cost-sharing
Drug coverage	Usually built in	Separate Part D plan
Dental / vision / hearing	Often included	Not included
Referrals / prior auth	Sometimes required	Rarely

The right answer depends on your doctors, your medications, how much you travel, and whether you prefer a low premium or predictable bills.

Which fits you? Arizona-specific tips

Lean toward Medigap if you…

…split the year between Arizona and another state (a classic snowbird situation), travel often, want to keep a specific doctor or specialist, dislike referrals and prior approvals, or simply value predictable costs over a low premium.

Lean toward Medicare Advantage if you…

…mostly receive care close to home, want a low or $0 premium, like having dental, vision, hearing and fitness benefits bundled in, and are comfortable using the plan's Arizona network and rules. In larger markets like Phoenix, Mesa and Tucson the networks are broad; in smaller communities like Flagstaff, Sedona, Kingman, Lake Havasu City and Yuma, double-check that your providers participate.

Either way, plans and prices change every year, so it pays to compare during Fall Open Enrollment. You can compare Arizona plans and enroll online, or talk it through with Darin Weidauer at no cost.

Frequently asked questions

If you split the year between Arizona and another state, Original Medicare with a Medigap plan is often more convenient because it works with any provider nationwide that accepts Medicare. Most Medicare Advantage plans use local Arizona networks and cover only emergency or urgent care out of area, so a frequent traveler may find Medigap more flexible.

You can change from Medicare Advantage back to Original Medicare during the Annual Enrollment Period (Oct 15–Dec 7) or the Medicare Advantage Open Enrollment Period (Jan 1–Mar 31). However, buying a Medigap policy after your one-time 6-month Medigap Open Enrollment window usually means the insurer can review your health and charge more or decline you, except in limited guaranteed-issue situations. Arizona does not have a continuous guaranteed-issue rule, so timing matters.

Medicare Advantage usually has a lower monthly premium (sometimes $0) but you pay copays as you use care, up to a yearly out-of-pocket maximum. Medigap has a higher monthly premium but pays most of your share of costs, so you have fewer bills when you need care. The cheaper choice depends on how much health care you expect to use.

Compare Arizona Advantage and Medigap plans

Compare plans and enroll online, or get free, confidential help from a licensed Arizona agent first.

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