Enroll in a plan

Enrollment in the UnitedHealthcare^® Group Medicare Advantage (HMO) or the UnitedHealthcare^® Senior Supplement and UnitedHealthcare^® MedicareRx for Groups (PDP) plans, sponsored by the SDCERA, took place between November 1 - November 20, 2020 for coverage beginning January 1, 2021.

Enrollment and disenrollment questions:

• Contact Mercer at 1-866-751-0256, Monday through Friday, 8 a.m.-5 p.m.

Physicians and Plan Provision questions, contact UnitedHealthcare:

• UnitedHealthcare Group Medicare Advantage (HMO): 1-800-457-8506, 8 a.m.-8 p.m. local time, Monday through Friday. TTY users, call 711.
• UnitedHealthcare Senior Supplement: 1-800-851-3802, 8 a.m.-8 p.m. local time, Monday through Friday. TTY users, call 711.
• UnitedHealthcare MedicareRx for Groups (PDP): 1-888-556-6648, 8 a.m.-8 p.m. local time, Monday through Friday. TTY users, call 711.

If you are not currently enrolled in a plan

For general questions prior to enrollment, contact UnitedHealthcare at one of the following numbers:

• UnitedHealthcare Group Medicare Advantage (HMO): 1-877-714-0178, 8 a.m.–8 p.m. local time, 7 days per week. TTY users, call 771.
• UnitedHealthcare Senior Supplement: 1-800-698-0822, 8 a.m.–8 p.m. local time, 7 days per week. TTY users, call 771.
• UnitedHealthcare MedicareRx for Groups (PDP): 1-800-698-0822, 8 a.m.–8 p.m. local time, 7 days per week. TTY users, call 771.