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How to enroll in Medicare plans

Whenever you’re eligible to enroll and ready to shop plans, we’re here to help get you started.

See ways to enroll for each plan type:

Medicare Advantage (Part C) and prescription drug plans (Part D)

If you want a Medicare Advantage (MA) plan, Medicare Advantage prescription drug (MAPD) plan or prescription drug plan (PDP), you’ll need to enroll in Original Medicare first (Parts A and B) if you haven’t already. You have three shopping options if you’re eligible to enroll in a Part C or D plan right now:


You can shop and compare coverage and prices for available Part C and D plans on our website. Simply choose the options that work best for you and enroll online.


Or, enroll in an Aetna Medicare plan over the phone by calling a licensed agent at ${dynamicPhone} ${tty}, ${hours}.


You can also enroll in an Aetna Medicare plan by mail. Call a licensed agent at ${dynamicPhone} ${tty}, ${hours}, to request your paper enrollment kit.

Dual-Eligible Special Needs Plan (D-SNP)

If you have Medicare and Medicaid already and live in one of 23 states in one of our covered counties, then you may be eligible to enroll in a D-SNP.


Check availability in your location (find a plan below), then call us at ${dynamicPhone} ${tty}, ${hours}, to see if you qualify and enroll.


Download your enrollment form (below), then print, complete and mail it (on your own or with a caregiver or broker) to the address on the form.

Download, print and mail a D-SNP enrollment form:

Choose your plan year

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If your state and county aren’t listed, then we don’t have a D-SNP available for your location.


Medicare Supplement Insurance (Medigap) Plan

To enroll in a Medicare Supplement Insurance plan, please call us at ${medsupenroll} ${tty}, ${medsupphours}. 


Aetna is the brand name for insurance products issued by the subsidiary insurance companies controlled by Aetna, Inc. The Medicare Supplement Insurance plans are insured by Aetna Health and Life insurance Company, Aetna Life Insurance Company, American Continental Insurance Company or Continental Life Insurance Company of Brentwood, Tennessee, all Aetna Companies. Not connected with or endorsed by the U.S. Government or the Federal Medicare Program.

Original Medicare (Parts A and B)

No matter which of our Medicare plans you’re interested in, you’ll first need to enroll in Original Medicare with the U.S. federal government if you haven’t already. Tip: If you don’t sign up for Medicare Parts A and B or Part D when you’re first eligible, you could face penalties in the form of higher premiums.


Visit the Social Security site to enroll in Original Medicare


Read more about avoiding penalties