Contact Us

Medicare Advantage Plans

If you are not currently enrolled in a plan
UnitedHealthcare® Customer Service representatives will answer your Medicare Advantage plan questions and give you helpful information.

Phone:
Call toll-free: 1-877-596-3258
TTY users, call: 711
Hours: 8 a.m. – 8 p.m. local time, 7 days a week

Plan members
Contact UnitedHealthcare by phone, online or by mail.

Phone:
Call the number on the back of your member ID card.
Hours of operation: 8 a.m.– 8 p.m. local time, 7 days a week

Mail:
UnitedHealthcare Customer Service
PO Box 29675
Hot Springs, AR 71903-9802

Website technical support
UnitedHealthcare Customer Service representatives are available to assist you with password resets, enhancement requests and technical issues with the website.

Phone:
Call toll-free: 1-800-721-0627
TTY users, call: 711
Hours: 8 a.m. – 8 p.m. CT, Monday – Friday

Medicare Supplement Insurance Plans

Please contact UnitedHealthcare® by phone or mail for all general inquiries.

Phone:
Call toll-free: 1-888-378-0254
TTY users, call: 711
Hours: 7 a.m. - 11 p.m. ET, Monday – Friday
             9 a.m. - 5 p.m. ET, Saturday

Mail:
UnitedHealthcare
PO Box 1017
Montgomeryville, PA 18936

Medicare Prescription Drug Plans

If you are not currently enrolled in a plan
UnitedHealthcare® Customer Service representatives will answer your Medicare prescription drug plan questions and give you helpful information.

Phone:
Call toll-free: 1-888-867-5564
TTY users, call: 711
Hours: 8 a.m. – 8 p.m. local time, 7 days a week

Plan members
Contact UnitedHealthcare by phone, online or by mail.

Phone:
Call toll-free: 1-888-867-5575
TTY users, call: 711
Hours: 8 a.m. – 8 p.m. local time, 7 days a week

Mail – General Correspondence:
UnitedHealthcare
PO Box 29300
Hot Springs, AR 71903-9300

Mail – Enrollment Forms:
UnitedHealthcare
PO Box 29200
Hot Springs, AR 71903-9200

Website technical support
UnitedHealthcare Customer Service representatives are available to assist you with password resets, enhancement requests and technical issues with the website.

Phone:
Call toll-free: 1-800-721-0627
TTY users, call: 711
Hours: 8 a.m. – 8 p.m. CT, Monday – Friday

Medicare Special Needs Plans

If you are not currently enrolled in a plan
UnitedHealthcare® Customer Service representatives will answer your Medicare Special Needs plan questions and give you helpful information.

Phone:
Call toll-free: 1-877-596-3258
TTY users, call: 711
Hours: 8 a.m. – 8 p.m. local time, 7 days a week

Plan members
Contact UnitedHealthcare by phone, online or by mail.

Phone:
Call the number on the back of your member ID card.
Hours of operation: 8 a.m. – 8 p.m. local time, 7 days a week

Mail:
UnitedHealthcare Customer Service
PO Box 29675
Hot Springs, AR 71903-9802

Website technical support
UnitedHealthcare Customer Service representatives are available to assist you with password resets, enhancement requests and technical issues with the website.

Phone:
Call toll-free: 1-800-721-0627
TTY users, call: 711
Hours: 8 a.m. – 8 p.m. CT, Monday – Friday

Employer Groups

If you are a retiree of an employer group offering the UnitedHealthcare® portfolio of products

Please contact UnitedHealthcare by phone for all inquiries. Our Customer Service Representatives will answer your questions and give you helpful information. 

Phone:
Call toll-free: 1-877-718-2619

TTY users, call: 711
Hours: 8 a.m. – 8 p.m. local time, 7 days a week

Recursos en Español

Para información en español, por favor llame al departamento de atención al cliente de UnitedHealthcare. (For information in Spanish, please call UnitedHealthcare Customer Service.)

Vea los beneficios y recursos en español (View benefits and resources in Spanish)

PROVIDERS ONLY

If you are a Provider and require assistance, you may contact UnitedHealthcare plans by calling the General Provider line. Please do not call the Customer Service number listed throughout this website. Providers are routed by their Tax ID.

General Provider line: 1-877-842-3210

Hours of operation: 8 a.m. - 8 p.m. local time, Monday - Friday