Updated July 2, 2026
Arizona draws one of the largest retiree populations in the country, and Medigap is widely used here. Plan G runs around $148 per month, which puts Arizona near the middle of the national range for that plan.
FAQs
How much does Medigap Plan G cost in Arizona?
Plan G premiums in Arizona run around $148 a month for most new enrollees, though your exact rate depends on your age, sex, tobacco use and the insurer you choose.
What happens if I apply for Medigap in Arizona after my enrollment window closes?
Outside the 6 month Open Enrollment period, insurers in Arizona can ask health questions and use medical underwriting, which can mean a higher premium or a denied application.
Enrolling in Arizona
The 6-month Open Enrollment window is the time to buy. It opens the month your Medicare Part B coverage starts, and during it no insurer can deny you coverage or raise your rate based on health conditions. Arizona follows standard federal rules: there are no state-specific protections that extend this window or add guaranteed-issue rights. So timing matters. The open enrollment calculator will show your exact window, and the Medigap vs Advantage calculator is worth a look if you are still deciding between the two coverage types.
Things to Know Before You Enroll in Arizona
Federal standardization means every Plan G sold in Arizona covers exactly the same set of benefits, regardless of which insurer is selling it. You are only comparing price. The carrier that charges less for the same Plan G coverage is the better deal: nothing more to evaluate on the benefits side. Use the Medigap cost calculator to get age-based estimates from Arizona carriers, and see what each plan letter covers if you want to weigh Plan G against Plan N or other options.