Enrollment

If you are aging into Medicare in 2025, please review the current year benefits and contact member services for assistance. Join us for an online meeting.
Call UnitedHealthcare 1-866-819-3448, TTY 711, Monday – Friday 8am-8pm CT.
General Medicare Questions? New to Medicare Brochure

Telephonic Enrollment

Enroll in the AT&T Group Medicare Advantage (PPO) Plan or AT&T Group Medicare Advantage (PPO) Plus Plan that includes dental, vision and expanded hearing benefits by calling UnitedHealthcare 1-866-819-3448, TTY 711, Monday – Friday, 8am-8pm CT.

Reminder! These are the only AT&T-sponsored plan options for 2025, and by declining coverage you may not be able to enroll in AT&T-sponsored coverage until the next annual enrollment period.

Personalized needs consultation

To get the most out of your personalized needs consultation, make sure to have the following:

• Your current monthly premium contributions and plan benefit details
• Your medical and prescription drug plan insurance cards
• Medicare number and Medicare effective date — you can find this information on your red, white and blue Medicare card
• The names and addresses of your current doctors, clinics and pharmacies
• A list of your current prescriptions

Required information for enrollment

Medicare requires the following in order for you to be enrolled in the AT&T Group Medicare Advantage (PPO) plan insured by UnitedHealthcare®.

• You must be entitled to Medicare Part A and enrolled in Medicare Part B.
• You must continue paying your Medicare Part B premium.
• You must have a permanent street address (this cannot be a P.O. Box).
• You must have your Medicare ID number.
• You must live within the 50 United States, the District of Columbia, or U.S. territories.

Need help or have questions?

For additional enrollment questions, call 1-866-819-3448, 8 a.m. - 8 p.m. CT, Monday – Friday. TTY users, call 711. Or, contact us.